Fixed compiling of chan_lcr with Asterisk 1.6.2.2
[lcr.git] / chan_lcr.c
index 239d11e..9fd0eb4 100644 (file)
@@ -136,6 +136,13 @@ it is called from ast_channel process which has already locked ast_channel.
 #ifdef LCR_FOR_ASTERISK
 #include <asterisk/buildopts.h>
 #endif
+
+/*
+ * Fwd declare struct ast_channel to get rid of gcc warning about
+ * incompatible pointer type passed to ast_register_application2.
+ */
+struct ast_channel;
+
 #include <asterisk/module.h>
 #include <asterisk/channel.h>
 #include <asterisk/config.h>
@@ -161,15 +168,15 @@ it is called from ast_channel process which has already locked ast_channel.
 #include <asterisk/app.h>
 #include <asterisk/features.h>
 #include <asterisk/sched.h>
+#if ASTERISK_VERSION_NUM < 110000
 #include <asterisk/version.h>
-
+#endif
 #include "extension.h"
 #include "message.h"
 #include "callerid.h"
 #include "lcrsocket.h"
 #include "cause.h"
 #include "select.h"
-#include "bchannel.h"
 #include "options.h"
 #include "chan_lcr.h"
 
@@ -187,7 +194,6 @@ static struct ast_frame nullframe = { AST_FRAME_NULL, };
 #endif
 
 int lcr_debug=1;
-int mISDN_created=1;
 
 char lcr_type[]="lcr";
 
@@ -242,7 +248,11 @@ void chan_lcr_log(int type, const char *file, int line, const char *function, st
        if (call)
                sprintf(call_text, "%d", call->ref);
        if (ast)
+#if ASTERISK_VERSION_NUM < 110000
                strncpy(ast_text, ast->name, sizeof(ast_text)-1);
+#else
+               strncpy(ast_text, ast_channel_name(ast), sizeof(ast_text)-1);
+#endif
        ast_text[sizeof(ast_text)-1] = '\0';
 
 //     ast_log(type, file, line, function, "[call=%s ast=%s] %s", call_text, ast_text, buffer);
@@ -285,11 +295,6 @@ void free_call(struct chan_call *call)
                                close(call->pipe[0]);
                        if (call->pipe[1] > -1)
                                close(call->pipe[1]);
-                       if (call->bchannel) {
-                               if (call->bchannel->call != call)
-                                       CERROR(call, NULL, "Linked bchannel structure has no link to us.\n");
-                               call->bchannel->call = NULL;
-                       }
                        if (call->bridge_call) {
                                if (call->bridge_call->bridge_call != call)
                                        CERROR(call, NULL, "Linked call structure has no link to us.\n");
@@ -361,7 +366,8 @@ int send_message(int message_type, unsigned int ref, union parameter *param)
                CDEBUG(NULL, NULL, "Ignoring message %d, because socket is closed.\n", message_type);
                return -1;
        }
-       CDEBUG(NULL, NULL, "Sending %s to socket. (ref=%d)\n", messages_txt[message_type], ref);
+       if (message_type != MESSAGE_TRAFFIC)
+               CDEBUG(NULL, NULL, "Sending %s to socket. (ref=%d)\n", messages_txt[message_type], ref);
 
        adminp = &admin_first;
        while(*adminp)
@@ -381,7 +387,8 @@ int send_message(int message_type, unsigned int ref, union parameter *param)
        if (!wake_global) {
                wake_global = 1;
                char byte = 0;
-               write(wake_pipe[1], &byte, 1);
+               int rc;
+               rc = write(wake_pipe[1], &byte, 1);
        }
 
        return 0;
@@ -393,8 +400,8 @@ int send_message(int message_type, unsigned int ref, union parameter *param)
 void apply_opt(struct chan_call *call, char *data)
 {
        union parameter newparam;
-       char string[1024], *p = string, *opt, *key;
-       int gain, i;
+       char string[1024], *p = string, *opt;//, *key;
+//     int gain, i;
 
        if (!data[0])
                return; // no opts
@@ -425,12 +432,9 @@ void apply_opt(struct chan_call *call, char *data)
                                break;
                        }
                        CDEBUG(call, call->ast, "Option 'n' (no DTMF).\n");
-                       if (call->dsp_dtmf) {
-                               call->dsp_dtmf = 0;
-                               if (call->bchannel)
-                                       bchannel_dtmf(call->bchannel, 0);
-                       }
+                       call->dsp_dtmf = 0;
                        break;
+#if 0
                case 'c':
                        if (opt[1] == '\0') {
                                CERROR(call, call->ast, "Option 'c' (encrypt) expects key parameter.\n", opt);
@@ -478,6 +482,7 @@ void apply_opt(struct chan_call *call, char *data)
                        if (call->bchannel)
                                bchannel_blowfish(call->bchannel, call->bf_key, call->bf_len);
                        break;
+#endif
                case 'h':
                        if (opt[1] != '\0') {
                                CERROR(call, call->ast, "Option 'h' (HDLC) expects no parameter.\n", opt);
@@ -487,23 +492,15 @@ void apply_opt(struct chan_call *call, char *data)
                        if (!call->hdlc)
                                call->hdlc = 1;
                        break;
-               case 't':
-                       if (opt[1] != '\0') {
-                               CERROR(call, call->ast, "Option 't' (no_dsp) expects no parameter.\n", opt);
-                               break;
-                       }
-                       CDEBUG(call, call->ast, "Option 't' (no dsp).\n");
-                       if (!call->nodsp)
-                               call->nodsp = 1;
-                       break;
                case 'q':
                        if (opt[1] == '\0') {
                                CERROR(call, call->ast, "Option 'q' (queue) expects parameter.\n", opt);
                                break;
                        }
                        CDEBUG(call, call->ast, "Option 'q' (queue).\n");
-                       call->nodsp_queue = atoi(opt+1);
+                       call->tx_queue = atoi(opt+1);
                        break;
+#if 0
                case 'e':
                        if (opt[1] == '\0') {
                                CERROR(call, call->ast, "Option 'e' (echo cancel) expects parameter.\n", opt);
@@ -514,6 +511,7 @@ void apply_opt(struct chan_call *call, char *data)
                        if (call->bchannel)
                                bchannel_pipeline(call->bchannel, call->pipeline);
                        break;
+#endif
                case 'f':
                        if (opt[1] == '\0') {
                                CERROR(call, call->ast, "Option 'f' (faxdetect) expects parameter.\n", opt);
@@ -570,6 +568,7 @@ void apply_opt(struct chan_call *call, char *data)
                        CDEBUG(call, call->ast, "Option 's' (inband DTMF).\n");
                        call->inband_dtmf = 1;
                        break;
+#if 0
                case 'v':
                        if (opt[1] != 'r' && opt[1] != 't') {
                                CERROR(call, call->ast, "Option 'v' (volume) expects parameter.\n", opt);
@@ -591,6 +590,7 @@ void apply_opt(struct chan_call *call, char *data)
                                        bchannel_gain(call->bchannel, call->tx_gain, 1);
                        }
                        break;
+#endif
                case 'k':
                        if (opt[1] != '\0') {
                                CERROR(call, call->ast, "Option 'k' (keypad) expects no parameter.\n", opt);
@@ -604,13 +604,6 @@ void apply_opt(struct chan_call *call, char *data)
                        CERROR(call, call->ast, "Option '%s' unknown.\n", opt);
                }
        }
-
-       /* re-open, if bchannel is created */
-       if (call->bchannel && call->bchannel->b_sock > -1) {
-               bchannel_destroy(call->bchannel);
-               if (bchannel_create(call->bchannel, ((call->nodsp || call->faxdetect > 0)?1:0) + ((call->hdlc)?2:0), call->nodsp_queue))
-                       bchannel_activate(call->bchannel, 1);
-       }
 }
 
 /*
@@ -689,8 +682,13 @@ static void send_setup_to_lcr(struct chan_call *call)
 #warning DISABLED DUE TO DOUBLE LOCKING PROBLEM
 //     tmp = pbx_builtin_getvar_helper(ast, "LCR_TRANSFERCAPABILITY");
 //     if (tmp && *tmp)
+#if ASTERISK_VERSION_NUM < 110000
 //             ast->transfercapability = atoi(tmp);
        newparam.setup.capainfo.bearer_capa = ast->transfercapability;
+#else
+//             ast_channel_transfercapability_set(ast, atoi(tmp));
+       newparam.setup.capainfo.bearer_capa = ast_channel_transfercapability(ast);
+#endif
        newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
        if (call->hdlc)
                newparam.setup.capainfo.source_mode = B_MODE_HDLC;
@@ -701,6 +699,11 @@ static void send_setup_to_lcr(struct chan_call *call)
        newparam.setup.capainfo.hlc = INFO_HLC_NONE;
        newparam.setup.capainfo.exthlc = INFO_HLC_NONE;
        send_message(MESSAGE_SETUP, call->ref, &newparam);
+       if (call->tx_queue) {
+               memset(&newparam, 0, sizeof(union parameter));
+               newparam.queue = call->tx_queue * 8;
+               send_message(MESSAGE_DISABLE_DEJITTER, call->ref, &newparam);
+       }
 
        /* change to outgoing setup state */
        call->state = CHAN_LCR_STATE_OUT_SETUP;
@@ -744,19 +747,12 @@ static void bridge_message_if_bridged(struct chan_call *call, int message_type,
 }
 
 /*
- * send release message to LCR and import bchannel if exported
+ * send release message to LCR
  */
-static void send_release_and_import(struct chan_call *call, int cause, int location)
+static void send_release(struct chan_call *call, int cause, int location)
 {
        union parameter newparam;
 
-       /* importing channel */
-       if (call->bchannel) {
-               memset(&newparam, 0, sizeof(union parameter));
-               newparam.bchannel.type = BCHANNEL_RELEASE;
-               newparam.bchannel.handle = call->bchannel->handle;
-               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
-       }
        /* sending release */
        memset(&newparam, 0, sizeof(union parameter));
        newparam.disconnectinfo.cause = cause;
@@ -773,21 +769,43 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c
 {
        int cause, ret;
        union parameter newparam;
+#if ASTERISK_VERSION_NUM < 110000
        char *exten = ast->exten;
-       if (!*exten)
+#else
+       char s_exten[AST_MAX_EXTENSION];
+       char *exten=s_exten;
+
+       strncpy(exten, ast_channel_exten(ast), AST_MAX_EXTENSION-1);
+#endif
+
+if (!*exten)
                exten = "s";
 
+#if ASTERISK_VERSION_NUM < 110000
        CDEBUG(call, ast, "Try to start pbx. (exten=%s context=%s complete=%s)\n", exten, ast->context, complete?"yes":"no");
+#else
+       CDEBUG(call, ast, "Try to start pbx. (exten=%s context=%s complete=%s)\n", exten, ast_channel_context(ast), complete?"yes":"no");
+#endif
 
        if (complete) {
                /* if not match */
+#if ASTERISK_VERSION_NUM < 110000
                if (!ast_canmatch_extension(ast, ast->context, exten, 1, call->oad)) {
-                       CDEBUG(call, ast, "Got 'sending complete', but extension '%s' will not match at context '%s' - releasing.\n", exten, ast->context);
+CDEBUG(call, ast, "Got 'sending complete', but extension '%s' will not match at context '%s' - releasing.\n", exten, ast->context);
+#else
+               if (!ast_canmatch_extension(ast, ast_channel_context(ast), exten, 1, call->oad)) {
+CDEBUG(call, ast, "Got 'sending complete', but extension '%s' will not match at context '%s' - releasing.\n", exten, ast_channel_context(ast));
+#endif
                        cause = 1;
                        goto release;
                }
+#if ASTERISK_VERSION_NUM < 110000
                if (!ast_exists_extension(ast, ast->context, exten, 1, call->oad)) {
                        CDEBUG(call, ast, "Got 'sending complete', but extension '%s' would match at context '%s', if more digits would be dialed - releasing.\n", exten, ast->context);
+#else
+               if (!ast_exists_extension(ast, ast_channel_context(ast), exten, 1, call->oad)) {
+                       CDEBUG(call, ast, "Got 'sending complete', but extension '%s' would match at context '%s', if more digits would be dialed - releasing.\n", exten, ast_channel_context(ast));
+#endif
                        cause = 28;
                        goto release;
                }
@@ -802,7 +820,11 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c
                goto start;
        }
 
+#if ASTERISK_VERSION_NUM < 110000
        if (ast_canmatch_extension(ast, ast->context, exten, 1, call->oad)) {
+#else
+       if (ast_canmatch_extension(ast, ast_channel_context(ast), exten, 1, call->oad)) {
+#endif
                /* send setup acknowledge to lcr */
                if (call->state != CHAN_LCR_STATE_IN_DIALING) {
                        memset(&newparam, 0, sizeof(union parameter));
@@ -813,17 +835,43 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c
                call->state = CHAN_LCR_STATE_IN_DIALING;
 
                /* if match, start pbx */
-               if (ast_exists_extension(ast, ast->context, exten, 1, call->oad)) {
+#if ASTERISK_VERSION_NUM < 110000
+       if (ast_exists_extension(ast, ast->context, exten, 1, call->oad)) {
+#else
+       if (ast_exists_extension(ast, ast_channel_context(ast), exten, 1, call->oad)) {
+#endif
                        CDEBUG(call, ast, "Extensions matches.\n");
                        goto start;
                }
 
+               /* send setup acknowledge to lcr */
+               if (call->state != CHAN_LCR_STATE_IN_DIALING) {
+                       memset(&newparam, 0, sizeof(union parameter));
+                       send_message(MESSAGE_OVERLAP, call->ref, &newparam);
+               }
+
+               /* change state */
+               call->state = CHAN_LCR_STATE_IN_DIALING;
+
                /* if can match */
                CDEBUG(call, ast, "Extensions may match, if more digits are dialed.\n");
                return;
        }
 
+#if ASTERISK_VERSION_NUM < 110000
        if (!*ast->exten) {
+#else
+       if (!*ast_channel_exten(ast)) {
+#endif
+               /* send setup acknowledge to lcr */
+               if (call->state != CHAN_LCR_STATE_IN_DIALING) {
+                       memset(&newparam, 0, sizeof(union parameter));
+                       send_message(MESSAGE_OVERLAP, call->ref, &newparam);
+               }
+
+               /* change state */
+               call->state = CHAN_LCR_STATE_IN_DIALING;
+
                /* if can match */
                CDEBUG(call, ast, "There is no 's' extension (and we tried to match it implicitly). Extensions may match, if more digits are dialed.\n");
                return;
@@ -834,10 +882,14 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c
        release:
        /* release lcr */
        CDEBUG(call, ast, "Releasing due to extension missmatch.\n");
-       send_release_and_import(call, cause, LOCATION_PRIVATE_LOCAL);
+       send_release(call, cause, LOCATION_PRIVATE_LOCAL);
        call->ref = 0;
        /* release asterisk */
+#if ASTERISK_VERSION_NUM < 110000
        ast->hangupcause = call->cause;
+#else
+       ast_channel_hangupcause_set(ast, call->cause);
+#endif
        /* change to release state */
        call->state = CHAN_LCR_STATE_RELEASE;
        ast_hangup(ast); // call will be destroyed here
@@ -867,7 +919,17 @@ static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int c
 static void lcr_in_setup(struct chan_call *call, int message_type, union parameter *param)
 {
        struct ast_channel *ast;
-
+#ifdef AST_1_8_OR_HIGHER
+       struct ast_party_redirecting *ast_redir;
+#endif
+//     struct ast_party_caller *ast_caller;
+       struct ast_callerid *ast_caller;
+#if ASTERISK_VERSION_NUM >= 110000
+       struct ast_party_redirecting s_ast_redir;
+       struct ast_party_caller s_ast_caller;
+       ast_party_redirecting_init(&s_ast_redir);
+       ast_party_caller_init(&s_ast_caller);
+#endif
        CDEBUG(call, NULL, "Incomming setup from LCR. (callerid %s, dialing %s)\n", param->setup.callerinfo.id, param->setup.dialinginfo.id);
 
        /* create asterisk channel instrance */
@@ -884,158 +946,186 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet
 #endif
        #endif
 
+#if ASTERISK_VERSION_NUM < 110000
+//     ast_redir = &ast->redirecting;
+//     ast_caller = &ast->caller;
+       ast_caller = &ast->cid;
+#else
+       ast_redir = &s_ast_redir;
+       ast_caller = &s_ast_caller;
+#endif
+
        if (!ast) {
                /* release */
                CERROR(call, NULL, "Failed to create Asterisk channel - releasing.\n");
-               send_release_and_import(call, CAUSE_RESSOURCEUNAVAIL, LOCATION_PRIVATE_LOCAL);
+               send_release(call, CAUSE_RESSOURCEUNAVAIL, LOCATION_PRIVATE_LOCAL);
                /* remove call */
                free_call(call);
                return;
        }
        /* link together */
        call->ast = ast;
+#if ASTERISK_VERSION_NUM < 110000
        ast->tech_pvt = call;
        ast->tech = &lcr_tech;
        ast->fds[0] = call->pipe[0];
+#else
+       ast_channel_tech_pvt_set(ast, call);
+       ast_channel_tech_set(ast, &lcr_tech);
+       ast_channel_set_fd(ast, 0, call->pipe[0]);
+#endif
 
        /* fill setup information */
        if (param->setup.dialinginfo.id)
+#if ASTERISK_VERSION_NUM < 110000
                strncpy(ast->exten, param->setup.dialinginfo.id, AST_MAX_EXTENSION-1);
-       if (param->setup.context[0])
-               strncpy(ast->context, param->setup.context, AST_MAX_CONTEXT-1);
+       if (param->setup.dialinginfo.context[0])
+               strncpy(ast->context, param->setup.dialinginfo.context, AST_MAX_CONTEXT-1);
        else
                strncpy(ast->context, param->setup.callerinfo.interface, AST_MAX_CONTEXT-1);
-
+#else
+               ast_channel_exten_set(ast, param->setup.dialinginfo.id);
+       if (param->setup.context[0])
+               ast_channel_context_set(ast, param->setup.context);
+       else
+               ast_channel_context_set(ast, param->setup.callerinfo.interface);
+#endif
 
 
 #ifdef AST_1_8_OR_HIGHER
        if (param->setup.callerinfo.id[0]) {
-               ast->caller.id.number.valid = 1;
-               ast->caller.id.number.str = strdup(param->setup.callerinfo.id);
+               ast_caller->id.number.valid = 1;
+               ast_caller->id.number.str = strdup(param->setup.callerinfo.id);
                if (!param->setup.callerinfo.id[0]) {
-                       ast->caller.id.number.presentation = AST_PRES_RESTRICTED;
-                       ast->caller.id.number.plan = (0 << 4) | 1;
+                       ast_caller->id.number.presentation = AST_PRES_RESTRICTED;
+                       ast_caller->id.number.plan = (0 << 4) | 1;
                }
                switch (param->setup.callerinfo.present) {
                        case INFO_PRESENT_ALLOWED:
-                               ast->caller.id.number.presentation = AST_PRES_ALLOWED;
+                               ast_caller->id.number.presentation = AST_PRES_ALLOWED;
                        break;
                        case INFO_PRESENT_RESTRICTED:
-                               ast->caller.id.number.presentation = AST_PRES_RESTRICTED;
+                               ast_caller->id.number.presentation = AST_PRES_RESTRICTED;
                        break;
                        default:
-                               ast->caller.id.number.presentation = AST_PRES_UNAVAILABLE;
+                               ast_caller->id.number.presentation = AST_PRES_UNAVAILABLE;
                }
                switch (param->setup.callerinfo.screen) {
                        case INFO_SCREEN_USER:
-                               ast->caller.id.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
+                               ast_caller->id.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
                        break;
                        case INFO_SCREEN_USER_VERIFIED_PASSED:
-                               ast->caller.id.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
+                               ast_caller->id.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
                        break;
                        case INFO_SCREEN_USER_VERIFIED_FAILED:
-                               ast->caller.id.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN;
+                               ast_caller->id.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN;
                        break;
                        default:
-                               ast->caller.id.number.presentation |= AST_PRES_NETWORK_NUMBER;
+                               ast_caller->id.number.presentation |= AST_PRES_NETWORK_NUMBER;
                }
                switch (param->setup.callerinfo.ntype) {
                        case INFO_NTYPE_SUBSCRIBER:
-                               ast->caller.id.number.plan = (4 << 4) | 1;
+                               ast_caller->id.number.plan = (4 << 4) | 1;
                        break;
                        case INFO_NTYPE_NATIONAL:
-                               ast->caller.id.number.plan = (2 << 4) | 1;
+                               ast_caller->id.number.plan = (2 << 4) | 1;
                        break;
                        case INFO_NTYPE_INTERNATIONAL:
-                               ast->caller.id.number.plan = (1 << 4) | 1;
+                               ast_caller->id.number.plan = (1 << 4) | 1;
                        break;
                        default:
-                               ast->caller.id.number.plan = (0 << 4) | 1;
+                               ast_caller->id.number.plan = (0 << 4) | 1;
                }
        }
        if (param->setup.callerinfo.id2[0]) {
-               ast->caller.ani.number.valid = 1;
-               ast->caller.ani.number.str = strdup(param->setup.callerinfo.id2);
+               ast_caller->ani.number.valid = 1;
+               ast_caller->ani.number.str = strdup(param->setup.callerinfo.id2);
                switch (param->setup.callerinfo.present2) {
                        case INFO_PRESENT_ALLOWED:
-                               ast->caller.ani.number.presentation = AST_PRES_ALLOWED;
+                               ast_caller->ani.number.presentation = AST_PRES_ALLOWED;
                        break;
                        case INFO_PRESENT_RESTRICTED:
-                               ast->caller.ani.number.presentation = AST_PRES_RESTRICTED;
+                               ast_caller->ani.number.presentation = AST_PRES_RESTRICTED;
                        break;
                        default:
-                               ast->caller.ani.number.presentation = AST_PRES_UNAVAILABLE;
+                               ast_caller->ani.number.presentation = AST_PRES_UNAVAILABLE;
                }
                switch (param->setup.callerinfo.screen2) {
                        case INFO_SCREEN_USER:
-                               ast->caller.ani.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
+                               ast_caller->ani.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
                        break;
                        case INFO_SCREEN_USER_VERIFIED_PASSED:
-                               ast->caller.ani.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
+                               ast_caller->ani.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
                        break;
                        case INFO_SCREEN_USER_VERIFIED_FAILED:
-                               ast->caller.ani.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN;
+                               ast_caller->ani.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN;
                        break;
                        default:
-                               ast->caller.ani.number.presentation |= AST_PRES_NETWORK_NUMBER;
+                               ast_caller->ani.number.presentation |= AST_PRES_NETWORK_NUMBER;
                }
                switch (param->setup.callerinfo.ntype2) {
                        case INFO_NTYPE_SUBSCRIBER:
-                               ast->caller.ani.number.plan = (4 << 4) | 1;
+                               ast_caller->ani.number.plan = (4 << 4) | 1;
                        break;
                        case INFO_NTYPE_NATIONAL:
-                               ast->caller.ani.number.plan = (2 << 4) | 1;
+                               ast_caller->ani.number.plan = (2 << 4) | 1;
                        break;
                        case INFO_NTYPE_INTERNATIONAL:
-                               ast->caller.ani.number.plan = (1 << 4) | 1;
+                               ast_caller->ani.number.plan = (1 << 4) | 1;
                        break;
                        default:
-                               ast->caller.ani.number.plan = (0 << 4) | 1;
+                               ast_caller->ani.number.plan = (0 << 4) | 1;
                }
        }
        if (param->setup.callerinfo.name[0]) {
-               ast->caller.id.name.valid = 1;
-               ast->caller.id.name.str = strdup(param->setup.callerinfo.name);
+               ast_caller->id.name.valid = 1;
+               ast_caller->id.name.str = strdup(param->setup.callerinfo.name);
        }
+#if ASTERISK_VERSION_NUM >= 110000
+       ast_channel_caller_set(ast, ast_caller);
+#endif
        if (param->setup.redirinfo.id[0]) {
-               ast->redirecting.from.number.valid = 1;
-               ast->redirecting.from.number.str = strdup(param->setup.redirinfo.id);
+               ast_redir->from.number.valid = 1;
+               ast_redir->from.number.str = strdup(param->setup.redirinfo.id);
                switch (param->setup.redirinfo.present) {
                        case INFO_PRESENT_ALLOWED:
-                               ast->redirecting.from.number.presentation = AST_PRES_ALLOWED;
+                               ast_redir->from.number.presentation = AST_PRES_ALLOWED;
                        break;
                        case INFO_PRESENT_RESTRICTED:
-                               ast->redirecting.from.number.presentation = AST_PRES_RESTRICTED;
+                               ast_redir->from.number.presentation = AST_PRES_RESTRICTED;
                        break;
                        default:
-                               ast->redirecting.from.number.presentation = AST_PRES_UNAVAILABLE;
+                               ast_redir->from.number.presentation = AST_PRES_UNAVAILABLE;
                }
                switch (param->setup.redirinfo.screen) {
                        case INFO_SCREEN_USER:
-                               ast->redirecting.from.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
+                               ast_redir->from.number.presentation |= AST_PRES_USER_NUMBER_UNSCREENED;
                        break;
                        case INFO_SCREEN_USER_VERIFIED_PASSED:
-                               ast->redirecting.from.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
+                               ast_redir->from.number.presentation |= AST_PRES_USER_NUMBER_PASSED_SCREEN;
                        break;
                        case INFO_SCREEN_USER_VERIFIED_FAILED:
-                               ast->redirecting.from.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN;
+                               ast_redir->from.number.presentation |= AST_PRES_USER_NUMBER_FAILED_SCREEN;
                        break;
                        default:
-                               ast->redirecting.from.number.presentation |= AST_PRES_NETWORK_NUMBER;
+                               ast_redir->from.number.presentation |= AST_PRES_NETWORK_NUMBER;
                }
                switch (param->setup.redirinfo.ntype) {
                        case INFO_NTYPE_SUBSCRIBER:
-                               ast->redirecting.from.number.plan = (4 << 4) | 1;
+                               ast_redir->from.number.plan = (4 << 4) | 1;
                        break;
                        case INFO_NTYPE_NATIONAL:
-                               ast->redirecting.from.number.plan = (2 << 4) | 1;
+                               ast_redir->from.number.plan = (2 << 4) | 1;
                        break;
                        case INFO_NTYPE_INTERNATIONAL:
-                               ast->redirecting.from.number.plan = (1 << 4) | 1;
+                               ast_redir->from.number.plan = (1 << 4) | 1;
                        break;
                        default:
-                               ast->redirecting.from.number.plan = (0 << 4) | 1;
+                               ast_redir->from.number.plan = (0 << 4) | 1;
                }
+#if ASTERISK_VERSION_NUM >= 110000
+               ast_channel_redirecting_set(ast, ast_redir);
+#endif
        }
 #else
        memset(&ast->cid, 0, sizeof(ast->cid));
@@ -1072,7 +1162,11 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet
        }
 #endif
 
+#if ASTERISK_VERSION_NUM < 110000
        ast->transfercapability = param->setup.capainfo.bearer_capa;
+#else
+       ast_channel_transfercapability_set(ast, param->setup.capainfo.bearer_capa);
+#endif
        /* enable hdlc if transcap is data */
        if (param->setup.capainfo.source_mode == B_MODE_HDLC)
                call->hdlc = 1;
@@ -1084,14 +1178,27 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet
        ast->readformat = ast->rawreadformat = ast->nativeformats;
        ast->writeformat = ast->rawwriteformat =  ast->nativeformats;
 #else
+#if ASTERISK_VERSION_NUM < 110000
        ast_format_set(&ast->rawwriteformat ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
        ast_format_copy(&ast->rawreadformat, &ast->rawwriteformat);
        ast_format_cap_set(ast->nativeformats, &ast->rawwriteformat);
        ast_set_write_format(ast, &ast->rawwriteformat);
        ast_set_read_format(ast, &ast->rawreadformat);
+#else
+       ast_format_set(ast_channel_rawwriteformat(ast) ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
+       ast_format_copy(ast_channel_rawreadformat(ast), ast_channel_rawwriteformat(ast));
+       ast_format_cap_set(ast_channel_nativeformats(ast), ast_channel_rawwriteformat(ast));
+       ast_set_write_format(ast, ast_channel_rawwriteformat(ast));
+       ast_set_read_format(ast, ast_channel_rawreadformat(ast));
+#endif
 #endif
+#if ASTERISK_VERSION_NUM < 110000
        ast->priority = 1;
        ast->hangupcause = 0;
+#else
+       ast_channel_priority_set(ast, 1);
+       ast_channel_hangupcause_set(ast, 0);
+#endif
 
        /* change state */
        call->state = CHAN_LCR_STATE_IN_SETUP;
@@ -1130,7 +1237,8 @@ static void lcr_in_proceeding(struct chan_call *call, int message_type, union pa
                if (!wake_global) {
                        wake_global = 1;
                        char byte = 0;
-                       write(wake_pipe[1], &byte, 1);
+                       int rc;
+                       rc = write(wake_pipe[1], &byte, 1);
                }
                strncat(call->queue_string, "P", sizeof(call->queue_string)-1);
        }
@@ -1151,7 +1259,8 @@ static void lcr_in_alerting(struct chan_call *call, int message_type, union para
                if (!wake_global) {
                        wake_global = 1;
                        char byte = 0;
-                       write(wake_pipe[1], &byte, 1);
+                       int rc;
+                       rc = write(wake_pipe[1], &byte, 1);
                }
                strncat(call->queue_string, "R", sizeof(call->queue_string)-1);
        }
@@ -1162,19 +1271,10 @@ static void lcr_in_alerting(struct chan_call *call, int message_type, union para
  */
 static void lcr_in_connect(struct chan_call *call, int message_type, union parameter *param)
 {
-       union parameter newparam;
-
        CDEBUG(call, call->ast, "Incomming connect (answer) from LCR.\n");
 
        /* change state */
        call->state = CHAN_LCR_STATE_CONNECT;
-       /* request bchannel */
-       if (!call->bchannel) {
-               CDEBUG(call, call->ast, "Requesting B-channel. (ref=%d)\n", call->ref);
-               memset(&newparam, 0, sizeof(union parameter));
-               newparam.bchannel.type = BCHANNEL_REQUEST;
-               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
-       }
        /* copy connectinfo */
        memcpy(&call->connectinfo, &param->connectinfo, sizeof(struct connect_info));
        /* queue event to asterisk */
@@ -1182,7 +1282,8 @@ static void lcr_in_connect(struct chan_call *call, int message_type, union param
                if (!wake_global) {
                        wake_global = 1;
                        char byte = 0;
-                       write(wake_pipe[1], &byte, 1);
+                       int rc;
+                       rc = write(wake_pipe[1], &byte, 1);
                }
                strncat(call->queue_string, "N", sizeof(call->queue_string)-1);
        }
@@ -1212,18 +1313,23 @@ static void lcr_in_disconnect(struct chan_call *call, int message_type, union pa
        }
 #endif
        /* release lcr with same cause */
-       send_release_and_import(call, call->cause, call->location);
+       send_release(call, call->cause, call->location);
        call->ref = 0;
        /* change to release state */
        call->state = CHAN_LCR_STATE_RELEASE;
        /* queue release asterisk */
        if (ast) {
+#if ASTERISK_VERSION_NUM < 110000
                ast->hangupcause = call->cause;
+#else
+               ast_channel_hangupcause_set(ast, call->cause);
+#endif
                if (call->pbx_started) {
                        if (!wake_global) {
                                wake_global = 1;
                                char byte = 0;
-                               write(wake_pipe[1], &byte, 1);
+                               int rc;
+                               rc = write(wake_pipe[1], &byte, 1);
                        }
                        strcpy(call->queue_string, "H"); // overwrite other indications
                } else {
@@ -1252,12 +1358,17 @@ static void lcr_in_release(struct chan_call *call, int message_type, union param
        }
        /* if we have an asterisk instance, queue hangup, else we are done */
        if (ast) {
+#if ASTERISK_VERSION_NUM < 110000
                ast->hangupcause = call->cause;
+#else
+               ast_channel_hangupcause_set(ast, call->cause);
+#endif
                if (call->pbx_started) {
                        if (!wake_global) {
                                wake_global = 1;
                                char byte = 0;
-                               write(wake_pipe[1], &byte, 1);
+                               int rc;
+                               rc = write(wake_pipe[1], &byte, 1);
                        }
                        strcpy(call->queue_string, "H");
                } else {
@@ -1283,7 +1394,11 @@ static void lcr_in_information(struct chan_call *call, int message_type, union p
        /* pbx not started */
        if (!call->pbx_started) {
                CDEBUG(call, call->ast, "Asterisk not started, adding digits to number.\n");
+#if ASTERISK_VERSION_NUM < 110000
                strncat(ast->exten, param->information.id, AST_MAX_EXTENSION-1);
+#else
+               ast_channel_exten_set(ast, param->information.id);
+#endif
                lcr_start_pbx(call, ast, param->information.sending_complete);
                return;
        }
@@ -1300,7 +1415,8 @@ static void lcr_in_information(struct chan_call *call, int message_type, union p
                if (!wake_global) {
                        wake_global = 1;
                        char byte = 0;
-                       write(wake_pipe[1], &byte, 1);
+                       int rc;
+                       rc = write(wake_pipe[1], &byte, 1);
                }
                strncat(call->queue_string, param->information.id, sizeof(call->queue_string)-1);
        }
@@ -1317,18 +1433,8 @@ static void lcr_in_information(struct chan_call *call, int message_type, union p
  */
 static void lcr_in_notify(struct chan_call *call, int message_type, union parameter *param)
 {
-       union parameter newparam;
-
        CDEBUG(call, call->ast, "Incomming notify from LCR. (notify=%d)\n", param->notifyinfo.notify);
 
-       /* request bchannel, if call is resumed and we don't have it */
-       if (param->notifyinfo.notify == INFO_NOTIFY_USER_RESUMED && !call->bchannel && call->ref) {
-               CDEBUG(call, call->ast, "Reqesting bchannel at resume. (ref=%d)\n", call->ref);
-               memset(&newparam, 0, sizeof(union parameter));
-               newparam.bchannel.type = BCHANNEL_REQUEST;
-               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
-       }
-
        if (!call->ast) return;
 
        /* use bridge to forware message not supported by asterisk */
@@ -1365,18 +1471,17 @@ static void lcr_in_pattern(struct chan_call *call, int message_type, union param
        call->has_pattern = 1;
 
        /* request bchannel */
-       if (!call->bchannel) {
-               CDEBUG(call, call->ast, "Requesting B-channel. (ref=%d)\n", call->ref);
-               memset(&newparam, 0, sizeof(union parameter));
-               newparam.bchannel.type = BCHANNEL_REQUEST;
-               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
-       }
+       CDEBUG(call, call->ast, "Requesting audio path (ref=%d)\n", call->ref);
+       memset(&newparam, 0, sizeof(union parameter));
+       send_message(MESSAGE_AUDIOPATH, call->ref, &newparam);
+
        /* queue PROGRESS, because tones are available */
        if (call->ast && call->pbx_started) {
                if (!wake_global) {
                        wake_global = 1;
                        char byte = 0;
-                       write(wake_pipe[1], &byte, 1);
+                       int rc;
+                       rc = write(wake_pipe[1], &byte, 1);
                }
                strncat(call->queue_string, "T", sizeof(call->queue_string)-1);
        }
@@ -1406,7 +1511,8 @@ void lcr_in_dtmf(struct chan_call *call, int val)
        if (!wake_global) {
                wake_global = 1;
                char byte = 0;
-               write(wake_pipe[1], &byte, 1);
+               int rc;
+               rc = write(wake_pipe[1], &byte, 1);
        }
        strncat(call->queue_string, digit, sizeof(call->queue_string)-1);
 }
@@ -1416,103 +1522,12 @@ void lcr_in_dtmf(struct chan_call *call, int val)
  */
 int receive_message(int message_type, unsigned int ref, union parameter *param)
 {
-       struct bchannel *bchannel;
        struct chan_call *call;
        union parameter newparam;
+       int rc = 0;
 
        memset(&newparam, 0, sizeof(union parameter));
 
-       /* handle bchannel message*/
-       if (message_type == MESSAGE_BCHANNEL) {
-               switch(param->bchannel.type) {
-                       case BCHANNEL_ASSIGN:
-                       CDEBUG(NULL, NULL, "Received BCHANNEL_ASSIGN message. (handle=%08lx) for ref %d\n", param->bchannel.handle, ref);
-                       if ((bchannel = find_bchannel_handle(param->bchannel.handle))) {
-                               CERROR(NULL, NULL, "bchannel handle %x already assigned.\n", (int)param->bchannel.handle);
-                               return -1;
-                       }
-                       /* create bchannel */
-                       bchannel = alloc_bchannel(param->bchannel.handle);
-                       if (!bchannel) {
-                               CERROR(NULL, NULL, "alloc bchannel handle %x failed.\n", (int)param->bchannel.handle);
-                               return -1;
-                       }
-
-                       /* configure channel */
-                       bchannel->b_tx_gain = param->bchannel.tx_gain;
-                       bchannel->b_rx_gain = param->bchannel.rx_gain;
-                       strncpy(bchannel->b_pipeline, param->bchannel.pipeline, sizeof(bchannel->b_pipeline)-1);
-                       if (param->bchannel.crypt_len && param->bchannel.crypt_len <= sizeof(bchannel->b_bf_key)) {
-                               bchannel->b_bf_len = param->bchannel.crypt_len;
-                               memcpy(bchannel->b_bf_key, param->bchannel.crypt, param->bchannel.crypt_len);
-                       }
-                       bchannel->b_txdata = 0;
-                       bchannel->b_tx_dejitter = 1;
-
-                       /* in case, ref is not set, this bchannel instance must
-                        * be created until it is removed again by LCR */
-                       /* link to call */
-                       call = find_call_ref(ref);
-                       if (call) {
-                               bchannel->call = call;
-                               call->bchannel = bchannel;
-                               if (call->dsp_dtmf)
-                                       bchannel_dtmf(bchannel, 1);
-                               if (call->bf_len)
-                                       bchannel_blowfish(bchannel, call->bf_key, call->bf_len);
-                               if (call->pipeline[0])
-                                       bchannel_pipeline(bchannel, call->pipeline);
-                               if (call->rx_gain)
-                                       bchannel_gain(bchannel, call->rx_gain, 0);
-                               if (call->tx_gain)
-                                       bchannel_gain(bchannel, call->tx_gain, 1);
-                               if (call->bridge_id) {
-                                       CDEBUG(call, call->ast, "Join bchannel, because call is already bridged.\n");
-                                       bchannel_join(bchannel, call->bridge_id);
-                               }
-                               /* ignore all dsp features, if it is a loopback interface */
-                               if (param->bchannel.isloopback)
-                                       call->nodsp = 1;
-
-                               /* create only, if call exists, othewhise it bchannel is freed below... */
-                               if (bchannel_create(bchannel, ((call->nodsp || call->faxdetect > 0)?1:0) + ((call->hdlc)?2:0), call->nodsp_queue))
-                                       bchannel_activate(bchannel, 1);
-                       }
-                       /* acknowledge */
-                       newparam.bchannel.type = BCHANNEL_ASSIGN_ACK;
-                       newparam.bchannel.handle = param->bchannel.handle;
-                       send_message(MESSAGE_BCHANNEL, 0, &newparam);
-                       /* if call has released before bchannel is assigned */
-                       if (!call) {
-                               newparam.bchannel.type = BCHANNEL_RELEASE;
-                               newparam.bchannel.handle = param->bchannel.handle;
-                               send_message(MESSAGE_BCHANNEL, 0, &newparam);
-                       }
-
-                       break;
-
-                       case BCHANNEL_REMOVE:
-                       CDEBUG(NULL, NULL, "Received BCHANNEL_REMOVE message. (handle=%08lx)\n", param->bchannel.handle);
-                       if (!(bchannel = find_bchannel_handle(param->bchannel.handle))) {
-                               CERROR(NULL, NULL, "Bchannel handle %x not assigned.\n", (int)param->bchannel.handle);
-                               return -1;
-                       }
-                       /* unklink from call and destroy bchannel */
-                       free_bchannel(bchannel);
-
-                       /* acknowledge */
-                       newparam.bchannel.type = BCHANNEL_REMOVE_ACK;
-                       newparam.bchannel.handle = param->bchannel.handle;
-                       send_message(MESSAGE_BCHANNEL, 0, &newparam);
-
-                       break;
-
-                       default:
-                       CDEBUG(NULL, NULL, "Received unknown bchannel message %d.\n", param->bchannel.type);
-               }
-               return 0;
-       }
-
        /* handle new ref */
        if (message_type == MESSAGE_NEWREF) {
                if (param->newref.direction) {
@@ -1553,9 +1568,9 @@ int receive_message(int message_type, unsigned int ref, union parameter *param)
                        else if (call->state == CHAN_LCR_STATE_RELEASE) {
                                /* send release */
                                if (call->cause)
-                                       send_release_and_import(call, call->cause, call->location);
+                                       send_release(call, call->cause, call->location);
                                else
-                                       send_release_and_import(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL);
+                                       send_release(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL);
                                /* free call */
                                free_call(call);
                                return 0;
@@ -1630,11 +1645,21 @@ int receive_message(int message_type, unsigned int ref, union parameter *param)
                call->audiopath = param->audiopath;
                break;
 
+               case MESSAGE_TRAFFIC: // if remote audio connected or hold
+               {
+                       unsigned char *p = param->traffic.data;
+                       int i, len = param->traffic.len;
+                       for (i = 0; i < len; i++, p++)
+                               *p = flip_bits[*p];
+               }
+               rc = write(call->pipe[1], param->traffic.data, param->traffic.len);
+               break;
+
                default:
                CDEBUG(call, call->ast, "Message %d from LCR unhandled.\n", message_type);
                break;
        }
-       return 0;
+       return rc;
 }
 
 /*
@@ -1670,15 +1695,12 @@ again:
                if (!wake_global) {
                        wake_global = 1;
                        char byte = 0;
-                       write(wake_pipe[1], &byte, 1);
+                       int rc;
+                       rc = write(wake_pipe[1], &byte, 1);
                }
                strcpy(call->queue_string, "H");
                call = call->next;
        }
-
-       /* release all bchannels */
-       while(bchannel_first)
-               free_bchannel(bchannel_first);
 }
 
 void close_socket(void);
@@ -1796,6 +1818,10 @@ void close_socket(void)
 {
        struct admin_list *admin, *temp;
 
+       /* socket not created */
+       if (lcr_sock < 0)
+               return;
+
        unregister_fd(&socket_fd);
 
        /* flush pending messages */
@@ -1808,8 +1834,7 @@ void close_socket(void)
        admin_first = NULL;
 
        /* close socket */
-       if (lcr_sock >= 0)
-               close(lcr_sock);
+       close(lcr_sock);
        lcr_sock = -1;
        global_change = 1;
 }
@@ -1819,8 +1844,9 @@ void close_socket(void)
 static int wake_event(struct lcr_fd *fd, unsigned int what, void *instance, int index)
 {
        char byte;
+       int rc;
 
-       read(wake_pipe[0], &byte, 1);
+       rc = read(wake_pipe[0], &byte, 1);
 
        wake_global = 0;
 
@@ -1944,8 +1970,6 @@ static void *chan_thread(void *arg)
        memset(&socket_retry, 0, sizeof(socket_retry));
        add_timer(&socket_retry, handle_retry, NULL, 0);
 
-       bchannel_pid = getpid();
-
        /* open socket the first time */
        handle_retry(NULL, NULL, 0);
 
@@ -1976,6 +2000,10 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
        char exten[256], *dial, *interface, *opt;
        struct ast_channel *ast;
        struct chan_call *call;
+#ifdef AST_1_8_OR_HIGHER
+       const struct ast_party_redirecting *req_redir;
+       const struct ast_party_caller *req_caller;
+#endif
 
        ast_mutex_lock(&chan_lock);
        CDEBUG(NULL, NULL, "Received request from Asterisk. (data=%s)\n", (char *)data);
@@ -2016,27 +2044,62 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                ast_mutex_unlock(&chan_lock);
                return NULL;
        }
+#if ASTERISK_VERSION_NUM < 110000
        ast->tech = &lcr_tech;
        ast->tech_pvt = (void *)1L; // set pointer or asterisk will not call
+#ifdef AST_1_8_OR_HIGHER
+       req_redir = &requestor->redirecting;
+       req_caller = &requestor->caller;
+#endif
+#else
+       ast_channel_tech_set(ast, &lcr_tech);
+       ast_channel_tech_pvt_set(ast, (void *)1L); // set pointer or asterisk will not call
+       req_redir = ast_channel_redirecting(requestor);
+       req_caller = ast_channel_caller(requestor);
+#endif
        /* configure channel */
 #if ASTERISK_VERSION_NUM < 100000
+#if ASTERISK_VERSION_NUM < 110000
        ast->nativeformats = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
        ast->readformat = ast->rawreadformat = ast->nativeformats;
        ast->writeformat = ast->rawwriteformat =  ast->nativeformats;
 #else
+       ast_channel_nativeformats_set(ast, (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW);
+       ast->readformat = ast->rawreadformat = ast_channel_nativeformats(ast);
+       ast->writeformat = ast->rawwriteformat =  ast_channel_nativeformats(ast);
+#endif
+#else
+#if ASTERISK_VERSION_NUM < 110000
        ast_format_set(&ast->rawwriteformat ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
        ast_format_copy(&ast->rawreadformat, &ast->rawwriteformat);
        ast_format_cap_set(ast->nativeformats, &ast->rawwriteformat);
        ast_set_write_format(ast, &ast->rawwriteformat);
        ast_set_read_format(ast, &ast->rawreadformat);
+#else
+       ast_format_set(ast_channel_rawwriteformat(ast) ,(options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW , 0);
+       ast_format_copy(ast_channel_rawreadformat(ast), ast_channel_rawwriteformat(ast));
+       ast_format_cap_set(ast_channel_nativeformats(ast), ast_channel_rawwriteformat(ast));
+       ast_set_write_format(ast, ast_channel_rawwriteformat(ast));
+       ast_set_read_format(ast, ast_channel_rawreadformat(ast));
 #endif
+#endif
+#if ASTERISK_VERSION_NUM < 110000
        ast->priority = 1;
        ast->hangupcause = 0;
+#else
+       ast_channel_priority_set(ast, 1);
+       ast_channel_hangupcause_set(ast, 0);
+#endif
 
        /* link together */
        call->ast = ast;
+#if ASTERISK_VERSION_NUM < 110000
        ast->tech_pvt = call;
        ast->fds[0] = call->pipe[0];
+#else
+       ast_channel_tech_pvt_set(ast, call);
+       ast_channel_set_fd(ast, 0, call->pipe[0]);
+#endif
        call->pbx_started = 0;
        /* set state */
        call->state = CHAN_LCR_STATE_OUT_PREPARE;
@@ -2070,49 +2133,49 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
 //     clone_variables(requestor, ast);
 
 #if 0
-       ast->caller.ani.number.valid=                   requestor->caller.ani.number.valid;
-       if (requestor->caller.ani.number.valid)
-         if (requestor->caller.ani.number.str)
-           if (requestor->caller.ani.number.str[0])
-               ast->caller.ani.number.str=             strdup(requestor->caller.ani.number.str);
-       ast->caller.ani.number.plan=                    requestor->caller.ani.number.plan;
-       ast->caller.ani.number.presentation=            requestor->caller.ani.number.presentation;
-
-       ast->caller.ani.name.valid=                     requestor->caller.ani.name.valid;
-       if (requestor->caller.ani.name.valid)
-         if (requestor->caller.ani.name.str)
-           if (requestor->caller.ani.name.str[0])
-               ast->caller.ani.name.str=               strdup(requestor->caller.ani.name.str);
-       ast->caller.ani.name.presentation=              requestor->caller.ani.name.presentation;
-
-       ast->caller.ani.subaddress.valid=               requestor->caller.ani.subaddress.valid;
-       if (requestor->caller.ani.subaddress.valid)
-         if (requestor->caller.ani.subaddress.str)
-           if (requestor->caller.ani.subaddress.str[0])
-               ast->caller.ani.subaddress.str=         strdup(requestor->caller.ani.subaddress.str);
-       ast->caller.ani.subaddress.type=                requestor->caller.ani.subaddress.type;
-
-       ast->caller.id.number.valid=                    requestor->caller.id.number.valid;
-       if (requestor->caller.id.number.valid)
-         if (requestor->caller.id.number.str)
-           if (requestor->caller.id.number.str[0])
-               ast->caller.id.number.str=              strdup(requestor->caller.id.number.str);
-       ast->caller.id.number.plan=                     requestor->caller.id.number.plan;
-       ast->caller.id.number.presentation=             requestor->caller.id.number.presentation;
-
-       ast->caller.id.name.valid=                      requestor->caller.id.name.valid;
-       if (requestor->caller.id.name.valid)
-         if (requestor->caller.id.name.str)
-           if (requestor->caller.id.name.str[0])
-               ast->caller.id.name.str=                strdup(requestor->caller.id.name.str);
-       ast->caller.id.name.presentation=               requestor->caller.id.name.presentation;
-
-       ast->caller.id.subaddress.valid=                requestor->caller.id.subaddress.valid;
-       if (requestor->caller.id.subaddress.valid)
-         if (requestor->caller.id.subaddress.str)
-           if (requestor->caller.id.subaddress.str[0])
-               ast->caller.id.subaddress.str=          strdup(requestor->caller.id.subaddress.str);
-       ast->caller.id.subaddress.type=                 requestor->caller.id.subaddress.type;
+       ast->caller.ani.number.valid=                   req_caller->ani.number.valid;
+       if (req_caller->ani.number.valid)
+         if (req_caller->ani.number.str)
+           if (req_caller->ani.number.str[0])
+               ast->caller.ani.number.str=             strdup(req_caller->ani.number.str);
+       ast->caller.ani.number.plan=                    req_caller->ani.number.plan;
+       ast->caller.ani.number.presentation=            req_caller->ani.number.presentation;
+
+       ast->caller.ani.name.valid=                     req_caller->ani.name.valid;
+       if (req_caller->ani.name.valid)
+         if (req_caller->ani.name.str)
+           if (req_caller->ani.name.str[0])
+               ast->caller.ani.name.str=               strdup(req_caller->ani.name.str);
+       ast->caller.ani.name.presentation=              req_caller->ani.name.presentation;
+
+       ast->caller.ani.subaddress.valid=               req_caller->ani.subaddress.valid;
+       if (req_caller->ani.subaddress.valid)
+         if (req_caller->ani.subaddress.str)
+           if (req_caller->ani.subaddress.str[0])
+               ast->caller.ani.subaddress.str=         strdup(req_caller->ani.subaddress.str);
+       ast->caller.ani.subaddress.type=                req_caller->ani.subaddress.type;
+
+       ast->caller.id.number.valid=                    req_caller->id.number.valid;
+       if (req_caller->id.number.valid)
+         if (req_caller->id.number.str)
+           if (req_caller->id.number.str[0])
+               ast->caller.id.number.str=              strdup(req_caller->id.number.str);
+       ast->caller.id.number.plan=                     req_caller->id.number.plan;
+       ast->caller.id.number.presentation=             req_caller->id.number.presentation;
+
+       ast->caller.id.name.valid=                      req_caller->id.name.valid;
+       if (req_caller->id.name.valid)
+         if (req_caller->id.name.str)
+           if (req_caller->id.name.str[0])
+               ast->caller.id.name.str=                strdup(req_caller->id.name.str);
+       ast->caller.id.name.presentation=               req_caller->id.name.presentation;
+
+       ast->caller.id.subaddress.valid=                req_caller->id.subaddress.valid;
+       if (req_caller->id.subaddress.valid)
+         if (req_caller->id.subaddress.str)
+           if (req_caller->id.subaddress.str[0])
+               ast->caller.id.subaddress.str=          strdup(req_caller->id.subaddress.str);
+       ast->caller.id.subaddress.type=                 req_caller->id.subaddress.type;
 
        if (requestor->dialed.number.str)
          if (requestor->dialed.number.str[0])
@@ -2127,32 +2190,32 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
        ast->dialed.subaddress.type=                    requestor->dialed.subaddress.type;
 
        ast->dialed.transit_network_select=             requestor->dialed.transit_network_select;
-       ast->redirecting.count=                         requestor->redirecting.count;
-       ast->redirecting.reason=                        requestor->redirecting.reason;
-
-       ast->redirecting.from.number.valid=             requestor->redirecting.from.number.valid;
-       if (requestor->redirecting.from.number.valid)
-         if (requestor->redirecting.from.number.str)
-           if (requestor->redirecting.from.number.str[0])
-               ast->redirecting.from.number.str=       strdup(requestor->redirecting.from.number.str);
-       ast->redirecting.from.number.plan=              requestor->redirecting.from.number.plan;
-       ast->redirecting.from.number.presentation=      requestor->redirecting.from.number.presentation;
-
-       ast->redirecting.to.number.valid=               requestor->redirecting.to.number.valid;
-       if (requestor->redirecting.to.number.valid)
-         if (requestor->redirecting.to.number.str)
-           if (requestor->redirecting.to.number.str[0])
-               ast->redirecting.to.number.str=         strdup(requestor->redirecting.to.number.str);
-       ast->redirecting.to.number.plan=                requestor->redirecting.to.number.plan;
-       ast->redirecting.to.number.presentation=        requestor->redirecting.to.number.presentation;
+       ast->redirecting.count=                         req_redir->count;
+       ast->redirecting.reason=                        req_redir->reason;
+
+       ast->redirecting.from.number.valid=             req_redir->from.number.valid;
+       if (req_redir->from.number.valid)
+         if (req_redir->from.number.str)
+           if (req_redir->from.number.str[0])
+               ast->redirecting.from.number.str=       strdup(req_redir->from.number.str);
+       ast->redirecting.from.number.plan=              req_redir->from.number.plan;
+       ast->redirecting.from.number.presentation=      req_redir->from.number.presentation;
+
+       ast->redirecting.to.number.valid=               req_redir->to.number.valid;
+       if (req_redir->to.number.valid)
+         if (req_redir->to.number.str)
+           if (req_redir->to.number.str[0])
+               ast->redirecting.to.number.str=         strdup(req_redir->to.number.str);
+       ast->redirecting.to.number.plan=                req_redir->to.number.plan;
+       ast->redirecting.to.number.presentation=        req_redir->to.number.presentation;
 #endif
        /* store call information for setup */
 
        /* caller ID */
-       if (requestor && requestor->caller.id.number.valid) {
-               if (requestor->caller.id.number.str)
-                       strncpy(call->callerinfo.id, requestor->caller.id.number.str, sizeof(call->callerinfo.id)-1);
-               switch(requestor->caller.id.number.presentation & AST_PRES_RESTRICTION) {
+       if (requestor && req_caller->id.number.valid) {
+               if (req_caller->id.number.str)
+                       strncpy(call->callerinfo.id, req_caller->id.number.str, sizeof(call->callerinfo.id)-1);
+               switch(req_caller->id.number.presentation & AST_PRES_RESTRICTION) {
                        case AST_PRES_RESTRICTED:
                        call->callerinfo.present = INFO_PRESENT_RESTRICTED;
                        break;
@@ -2163,7 +2226,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                        default:
                        call->callerinfo.present = INFO_PRESENT_ALLOWED;
                }
-               switch(requestor->caller.id.number.presentation & AST_PRES_NUMBER_TYPE) {
+               switch(req_caller->id.number.presentation & AST_PRES_NUMBER_TYPE) {
                        case AST_PRES_USER_NUMBER_UNSCREENED:
                        call->callerinfo.screen = INFO_SCREEN_USER;
                        break;
@@ -2176,7 +2239,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                        default:
                        call->callerinfo.screen = INFO_SCREEN_NETWORK;
                }
-               switch((requestor->caller.id.number.plan >> 4) & 7) {
+               switch((req_caller->id.number.plan >> 4) & 7) {
                        case 4:
                        call->callerinfo.ntype = INFO_NTYPE_SUBSCRIBER;
                        break;
@@ -2193,10 +2256,10 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                call->callerinfo.present = INFO_PRESENT_NOTAVAIL;
 
        /* caller ID 2 */
-       if (requestor && requestor->caller.ani.number.valid) {
-               if (requestor->caller.ani.number.str)
-                       strncpy(call->callerinfo.id2, requestor->caller.ani.number.str, sizeof(call->callerinfo.id2)-1);
-               switch(requestor->caller.ani.number.presentation & AST_PRES_RESTRICTION) {
+       if (requestor && req_caller->ani.number.valid) {
+               if (req_caller->ani.number.str)
+                       strncpy(call->callerinfo.id2, req_caller->ani.number.str, sizeof(call->callerinfo.id2)-1);
+               switch(req_caller->ani.number.presentation & AST_PRES_RESTRICTION) {
                        case AST_PRES_RESTRICTED:
                        call->callerinfo.present2 = INFO_PRESENT_RESTRICTED;
                        break;
@@ -2207,7 +2270,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                        default:
                        call->callerinfo.present2 = INFO_PRESENT_ALLOWED;
                }
-               switch(requestor->caller.ani.number.presentation & AST_PRES_NUMBER_TYPE) {
+               switch(req_caller->ani.number.presentation & AST_PRES_NUMBER_TYPE) {
                        case AST_PRES_USER_NUMBER_UNSCREENED:
                        call->callerinfo.screen2 = INFO_SCREEN_USER;
                        break;
@@ -2220,7 +2283,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                        default:
                        call->callerinfo.screen2 = INFO_SCREEN_NETWORK;
                }
-               switch((requestor->caller.ani.number.plan >> 4) & 7) {
+               switch((req_caller->ani.number.plan >> 4) & 7) {
                        case 4:
                        call->callerinfo.ntype2 = INFO_NTYPE_SUBSCRIBER;
                        break;
@@ -2237,17 +2300,17 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                call->callerinfo.present2 = INFO_PRESENT_NOTAVAIL;
 
        /* caller name */
-       if (requestor && requestor->caller.id.name.valid) {
-               if (requestor->caller.id.name.str)
-                       strncpy(call->callerinfo.name, requestor->caller.id.name.str, sizeof(call->callerinfo.name)-1);
+       if (requestor && req_caller->id.name.valid) {
+               if (req_caller->id.name.str)
+                       strncpy(call->callerinfo.name, req_caller->id.name.str, sizeof(call->callerinfo.name)-1);
        }
 
        /* redir number */
-       if (requestor && requestor->redirecting.from.number.valid) {
+       if (requestor && req_redir->from.number.valid) {
                call->redirinfo.itype = INFO_ITYPE_CHAN;
-               if (requestor->redirecting.from.number.str)
-                       strncpy(call->redirinfo.id, requestor->redirecting.from.number.str, sizeof(call->redirinfo.id)-1);
-               switch(requestor->redirecting.from.number.presentation & AST_PRES_RESTRICTION) {
+               if (req_redir->from.number.str)
+                       strncpy(call->redirinfo.id, req_redir->from.number.str, sizeof(call->redirinfo.id)-1);
+               switch(req_redir->from.number.presentation & AST_PRES_RESTRICTION) {
                        case AST_PRES_RESTRICTED:
                        call->redirinfo.present = INFO_PRESENT_RESTRICTED;
                        break;
@@ -2258,7 +2321,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                        default:
                        call->redirinfo.present = INFO_PRESENT_ALLOWED;
                }
-               switch(requestor->redirecting.from.number.presentation & AST_PRES_NUMBER_TYPE) {
+               switch(req_redir->from.number.presentation & AST_PRES_NUMBER_TYPE) {
                        case AST_PRES_USER_NUMBER_UNSCREENED:
                        call->redirinfo.screen = INFO_SCREEN_USER;
                        break;
@@ -2271,7 +2334,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                        default:
                        call->redirinfo.screen = INFO_SCREEN_NETWORK;
                }
-               switch((requestor->redirecting.from.number.plan >> 4) & 7) {
+               switch((req_redir->from.number.plan >> 4) & 7) {
                        case 4:
                        call->redirinfo.ntype = INFO_NTYPE_SUBSCRIBER;
                        break;
@@ -2298,9 +2361,16 @@ static int lcr_call(struct ast_channel *ast, char *dest, int timeout)
 {
        union parameter newparam;
        struct chan_call *call;
+#if ASTERISK_VERSION_NUM >= 110000
+       int transfercapability;
+#endif
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
 
        #ifdef LCR_FOR_CALLWEAVER
        ast->type = "LCR";
@@ -2320,21 +2390,33 @@ static int lcr_call(struct ast_channel *ast, char *dest, int timeout)
        /* send MESSAGE_NEWREF */
        memset(&newparam, 0, sizeof(union parameter));
        newparam.newref.direction = 0; /* request from app */
-       if (!strcmp(call->interface, "pbx"))
-               newparam.newref.mode = 1;
        send_message(MESSAGE_NEWREF, 0, &newparam);
 
        /* set hdlc if capability requires hdlc */
+#if ASTERISK_VERSION_NUM < 110000
        if (ast->transfercapability == INFO_BC_DATAUNRESTRICTED
         || ast->transfercapability == INFO_BC_DATARESTRICTED
         || ast->transfercapability == INFO_BC_VIDEO)
+#else
+       transfercapability=ast_channel_transfercapability(ast);
+       if (transfercapability == INFO_BC_DATAUNRESTRICTED
+        || transfercapability == INFO_BC_DATARESTRICTED
+        || transfercapability == INFO_BC_VIDEO)
+#endif
                call->hdlc = 1;
        /* if hdlc is forced by option, we change transcap to data */
        if (call->hdlc
+#if ASTERISK_VERSION_NUM < 110000
         && ast->transfercapability != INFO_BC_DATAUNRESTRICTED
         && ast->transfercapability != INFO_BC_DATARESTRICTED
         && ast->transfercapability != INFO_BC_VIDEO)
                ast->transfercapability = INFO_BC_DATAUNRESTRICTED;
+#else
+        && transfercapability != INFO_BC_DATAUNRESTRICTED
+        && transfercapability != INFO_BC_DATARESTRICTED
+        && transfercapability != INFO_BC_VIDEO)
+               transfercapability = INFO_BC_DATAUNRESTRICTED;
+#endif
 
 #ifndef AST_1_8_OR_HIGHER
        call->cid_num[0] = 0;
@@ -2385,9 +2467,11 @@ static void send_digit_to_chan(struct ast_channel * ast, char digit )
        else if (digit == '#')
                ast_playtones_start(ast,0,dtmf_tones[15], 0);
        else {
-               /* not handled */
-               CDEBUG(NULL, ast, "Unable to handle DTMF tone "
-                       "'%c' for '%s'\n", digit, ast->name);
+#if ASTERISK_VERSION_NUM < 110000
+               CDEBUG(NULL, ast, "Unable to handle DTMF tone '%c' for '%s'\n", digit, ast->name);
+#else
+               CDEBUG(NULL, ast, "Unable to handle DTMF tone '%c' for '%s'\n", digit, ast_channel_name(ast));
+#endif
        }
 }
 
@@ -2411,7 +2495,11 @@ static int lcr_digit(struct ast_channel *ast, char digit)
                return 0;
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                CERROR(NULL, ast, "Received digit from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
@@ -2454,7 +2542,11 @@ static int lcr_digit_end(struct ast_channel *ast, char digit, unsigned int durat
 
        ast_mutex_lock(&chan_lock);
 
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
 
        if (!call) {
                CERROR(NULL, ast,
@@ -2486,7 +2578,11 @@ static int lcr_answer(struct ast_channel *ast)
        struct chan_call *call;
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                CERROR(NULL, ast, "Received answer from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
@@ -2506,13 +2602,6 @@ static int lcr_answer(struct ast_channel *ast)
                call->state = CHAN_LCR_STATE_CONNECT;
        }
        /* change state */
-       /* request bchannel */
-       if (!call->bchannel) {
-               CDEBUG(call, ast, "Requesting B-channel.\n");
-               memset(&newparam, 0, sizeof(union parameter));
-               newparam.bchannel.type = BCHANNEL_REQUEST;
-               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
-       }
        /* enable keypad */
 //     memset(&newparam, 0, sizeof(union parameter));
 //     send_message(MESSAGE_ENABLEKEYPAD, call->ref, &newparam);
@@ -2529,7 +2618,11 @@ static int lcr_hangup(struct ast_channel *ast)
        if (!pthread_equal(tid, chan_tid)) {
                ast_mutex_lock(&chan_lock);
        }
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                CERROR(NULL, ast, "Received hangup from Asterisk, but no call instance exists.\n");
                if (!pthread_equal(tid, chan_tid)) {
@@ -2544,15 +2637,25 @@ static int lcr_hangup(struct ast_channel *ast)
                CDEBUG(call, ast, "Received hangup from LCR thread.\n");
 
        /* disconnect asterisk, maybe not required */
+#if ASTERISK_VERSION_NUM < 110000
        ast->tech_pvt = NULL;
        ast->fds[0] = -1;
+#else
+       ast_channel_tech_pvt_set(ast, NULL);
+       ast_channel_set_fd(ast, 0, -1);
+#endif
        if (call->ref) {
                /* release */
                CDEBUG(call, ast, "Releasing ref and freeing call instance.\n");
+#if ASTERISK_VERSION_NUM < 110000
                if (ast->hangupcause > 0)
-                       send_release_and_import(call, ast->hangupcause, LOCATION_PRIVATE_LOCAL);
+                       send_release(call, ast->hangupcause, LOCATION_PRIVATE_LOCAL);
+#else
+               if (ast_channel_hangupcause(ast) > 0)
+                       send_release(call, ast_channel_hangupcause(ast), LOCATION_PRIVATE_LOCAL);
+#endif
                else
-                       send_release_and_import(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL);
+                       send_release(call, CAUSE_NORMAL, LOCATION_PRIVATE_LOCAL);
                /* remove call */
                free_call(call);
                if (!pthread_equal(tid, chan_tid)) {
@@ -2580,23 +2683,40 @@ static int lcr_hangup(struct ast_channel *ast)
 
 static int lcr_write(struct ast_channel *ast, struct ast_frame *fr)
 {
+       union parameter newparam;
        struct chan_call *call;
        struct ast_frame * f = fr;
+       unsigned char *p, *q;
+       int len, l;
 
+#if ASTERISK_VERSION_NUM < 100000
 #ifdef AST_1_8_OR_HIGHER
        if (!f->subclass.codec)
 #else
        if (!f->subclass)
 #endif
                CDEBUG(NULL, ast, "No subclass\n");
+#endif
 #ifdef AST_1_8_OR_HIGHER
 #if ASTERISK_VERSION_NUM < 100000
+#if ASTERISK_VERSION_NUM < 110000
        if (!(f->subclass.codec & ast->nativeformats)) {
 #else
+       if (!(f->subclass.codec & ast_channel_nativeformats(ast))) {
+#endif
+#else
+#if ASTERISK_VERSION_NUM < 110000
        if (!ast_format_cap_iscompatible(ast->nativeformats, &f->subclass.format)) {
+#else
+       if (!ast_format_cap_iscompatible(ast_channel_nativeformats(ast), &f->subclass.format)) {
+#endif
 #endif
 #else
+#if ASTERISK_VERSION_NUM < 110000
        if (!(f->subclass & ast->nativeformats)) {
+#else
+       if (!(f->subclass & ast_channel_nativeformats(ast))) {
+#endif
 #endif
                CDEBUG(NULL, ast,
                               "Unexpected format. "
@@ -2611,12 +2731,21 @@ static int lcr_write(struct ast_channel *ast, struct ast_frame *fr)
 #else
                ast_set_write_format(ast, f->subclass);
 #endif
+#if ASTERISK_VERSION_NUM < 110000
                f = (ast->writetrans) ? ast_translate(
                        ast->writetrans, fr, 0) : fr;
+#else
+               f = (ast_channel_writetrans(ast)) ? ast_translate(
+                       ast_channel_writetrans(ast), fr, 0) : fr;
+#endif
        }
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                ast_mutex_unlock(&chan_lock);
                if (f != fr) {
@@ -2624,8 +2753,18 @@ static int lcr_write(struct ast_channel *ast, struct ast_frame *fr)
                }
                return -1;
        }
-       if (call->bchannel && f->samples)
-               bchannel_transmit(call->bchannel, *((unsigned char **)&(f->data)), f->samples);
+       len = f->samples;
+       p = *((unsigned char **)&(f->data));
+       q = newparam.traffic.data;
+       memset(&newparam, 0, sizeof(union parameter));
+       while (len) {
+               l = (len > sizeof(newparam.traffic.data)) ? sizeof(newparam.traffic.data) : len;
+               newparam.traffic.len = l;
+               len -= l;
+               for (; l; l--)
+                       *q++ = flip_bits[*p++];
+               send_message(MESSAGE_TRAFFIC, call->ref, &newparam);
+       }
        ast_mutex_unlock(&chan_lock);
        if (f != fr) {
                ast_frfree(f);
@@ -2640,7 +2779,11 @@ static struct ast_frame *lcr_read(struct ast_channel *ast)
        int len = 0;
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                ast_mutex_unlock(&chan_lock);
                return NULL;
@@ -2683,13 +2826,25 @@ static struct ast_frame *lcr_read(struct ast_channel *ast)
        call->read_fr.frametype = AST_FRAME_VOICE;
 #ifdef AST_1_8_OR_HIGHER
 #if ASTERISK_VERSION_NUM < 100000
+#if ASTERISK_VERSION_NUM < 110000
        call->read_fr.subclass.codec = ast->nativeformats;
 #else
+       call->read_fr.subclass.codec = ast_channel_nativeformats(ast);
+#endif
+#else
+#if ASTERISK_VERSION_NUM < 110000
        ast_best_codec(ast->nativeformats, &call->read_fr.subclass.format);
+#else
+       ast_best_codec(ast_channel_nativeformats(ast), &call->read_fr.subclass.format);
+#endif
        call->read_fr.subclass.integer = call->read_fr.subclass.format.id;
 #endif
 #else
+#if ASTERISK_VERSION_NUM < 110000
        call->read_fr.subclass = ast->nativeformats;
+#else
+       call->read_fr.subclass = ast_channel_nativeformats(ast);
+#endif
 #endif
        if (call->rebuffer) {
                call->read_fr.datalen = call->framepos;
@@ -2711,10 +2866,14 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
        union parameter newparam;
        int res = 0;
        struct chan_call *call;
-       const struct tone_zone_sound *ts = NULL;
+       const struct ast_tone_zone_sound *ts = NULL;
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                CERROR(NULL, ast, "Received indicate from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
@@ -2735,22 +2894,38 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
                                call->state = CHAN_LCR_STATE_OUT_DISCONNECT;
                        } else {
                                CDEBUG(call, ast, "Using Asterisk 'busy' indication\n");
+#if ASTERISK_VERSION_NUM < 110000
                                ts = ast_get_indication_tone(ast->zone, "busy");
+#else
+                               ts = ast_get_indication_tone(ast_channel_zone(ast), "busy");
+#endif
                        }
                        break;
                case AST_CONTROL_CONGESTION:
+#if ASTERISK_VERSION_NUM < 110000
                        CDEBUG(call, ast, "Received indicate AST_CONTROL_CONGESTION from Asterisk. (cause %d)\n", ast->hangupcause);
+#else
+                       CDEBUG(call, ast, "Received indicate AST_CONTROL_CONGESTION from Asterisk. (cause %d)\n", ast_channel_hangupcause(ast));
+#endif
                        if (call->state != CHAN_LCR_STATE_OUT_DISCONNECT) {
                                /* send message to lcr */
                                memset(&newparam, 0, sizeof(union parameter));
+#if ASTERISK_VERSION_NUM < 110000
                                newparam.disconnectinfo.cause = ast->hangupcause;
+#else
+                               newparam.disconnectinfo.cause = ast_channel_hangupcause(ast);
+#endif
                                newparam.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
                                send_message(MESSAGE_DISCONNECT, call->ref, &newparam);
                                /* change state */
                                call->state = CHAN_LCR_STATE_OUT_DISCONNECT;
                        } else {
                                CDEBUG(call, ast, "Using Asterisk 'congestion' indication\n");
+#if ASTERISK_VERSION_NUM < 110000
                                ts = ast_get_indication_tone(ast->zone, "congestion");
+#else
+                               ts = ast_get_indication_tone(ast_channel_zone(ast), "congestion");
+#endif
                        }
                        break;
                case AST_CONTROL_PROCEEDING:
@@ -2777,18 +2952,19 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
                                call->state = CHAN_LCR_STATE_IN_ALERTING;
                        } else {
                                CDEBUG(call, ast, "Using Asterisk 'ring' indication\n");
+#if ASTERISK_VERSION_NUM < 110000
                                ts = ast_get_indication_tone(ast->zone, "ring");
+#else
+                               ts = ast_get_indication_tone(ast_channel_zone(ast), "ring");
+#endif
                        }
                        break;
                case AST_CONTROL_PROGRESS:
                        CDEBUG(call, ast, "Received indicate AST_CONTROL_PROGRESS from Asterisk.\n");
                        /* request bchannel */
-                       if (!call->bchannel) {
-                               CDEBUG(call, ast, "Requesting B-channel.\n");
-                               memset(&newparam, 0, sizeof(union parameter));
-                               newparam.bchannel.type = BCHANNEL_REQUEST;
-                               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
-                       }
+                       CDEBUG(call, ast, "Requesting audio path.\n");
+                       memset(&newparam, 0, sizeof(union parameter));
+                       send_message(MESSAGE_AUDIOPATH, call->ref, &newparam);
                        break;
                case -1:
                        CDEBUG(call, ast, "Received indicate -1.\n");
@@ -2809,7 +2985,11 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
 
                        /*start music onhold*/
                        #ifdef LCR_FOR_ASTERISK
+                       #if ASTERISK_VERSION_NUM <110000
                        ast_moh_start(ast,data,ast->musicclass);
+                       #else
+                       ast_moh_start(ast,data,ast_channel_musicclass(ast));
+                       #endif
                        #endif
 
                        #ifdef LCR_FOR_CALLWEAVER
@@ -2863,7 +3043,11 @@ static int lcr_fixup(struct ast_channel *oldast, struct ast_channel *ast)
        }
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                CERROR(NULL, ast, "Received fixup from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
@@ -2885,7 +3069,11 @@ static int lcr_send_text(struct ast_channel *ast, const char *text)
        union parameter newparam;
 
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call = ast->tech_pvt;
+#else
+       call = ast_channel_tech_pvt(ast);
+#endif
        if (!call) {
                CERROR(NULL, ast, "Received send_text from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
@@ -2922,8 +3110,13 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
 
        /* join via dsp (if the channels are currently open) */
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call1 = ast1->tech_pvt;
        call2 = ast2->tech_pvt;
+#else
+       call1 = ast_channel_tech_pvt(ast1);
+       call2 = ast_channel_tech_pvt(ast2);
+#endif
        if (!call1 || !call2) {
                CDEBUG(NULL, NULL, "Bridge, but we don't have two call instances, exitting.\n");
                ast_mutex_unlock(&chan_lock);
@@ -2933,24 +3126,24 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
        /* join, if both call instances uses dsp
           ignore the case of fax detection here it may be benificial for ISDN fax machines or pass through.
        */
-       if (!call1->nodsp && !call2->nodsp) {
-               CDEBUG(NULL, NULL, "Both calls use DSP, bridging via DSP.\n");
+       CDEBUG(NULL, NULL, "Both calls use DSP, bridging via DSP.\n");
 
-               /* get bridge id and join */
-               bridge_id = new_bridge_id();
+       /* get bridge id and join */
+       bridge_id = new_bridge_id();
 
-               call1->bridge_id = bridge_id;
-               if (call1->bchannel)
-                       bchannel_join(call1->bchannel, bridge_id);
+#if 0
+       call1->bridge_id = bridge_id;
+       if (call1->bchannel)
+               bchannel_join(call1->bchannel, bridge_id);
+
+       call2->bridge_id = bridge_id;
+       if (call2->bchannel)
+               bchannel_join(call2->bchannel, bridge_id);
+#else
+       printf("FIXME");
+       exit(0);
+#endif
 
-               call2->bridge_id = bridge_id;
-               if (call2->bchannel)
-                       bchannel_join(call2->bchannel, bridge_id);
-       } else
-       if (call1->nodsp && call2->nodsp)
-               CDEBUG(NULL, NULL, "Both calls use no DSP, bridging in channel driver.\n");
-       else
-               CDEBUG(NULL, NULL, "One call uses no DSP, bridging in channel driver.\n");
        call1->bridge_call = call2;
        call2->bridge_call = call1;
 
@@ -3037,19 +3230,20 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
 
        /* split channels */
        ast_mutex_lock(&chan_lock);
+#if ASTERISK_VERSION_NUM < 110000
        call1 = ast1->tech_pvt;
        call2 = ast2->tech_pvt;
+#else
+       call1 = ast_channel_tech_pvt(ast1);
+       call2 = ast_channel_tech_pvt(ast2);
+#endif
        if (call1 && call1->bridge_id) {
                call1->bridge_id = 0;
-               if (call1->bchannel)
-                       bchannel_join(call1->bchannel, 0);
                if (call1->bridge_call)
                        call1->bridge_call->bridge_call = NULL;
        }
        if (call2 && call1->bridge_id) {
                call2->bridge_id = 0;
-               if (call2->bchannel)
-                       bchannel_join(call2->bchannel, 0);
                if (call2->bridge_call)
                        call2->bridge_call->bridge_call = NULL;
        }
@@ -3220,6 +3414,14 @@ static int lcr_config_exec(struct ast_channel *ast, void *data, char **argv)
                apply_opt(call, (char *)argv[0]);
                #endif
 
+               /* send options */
+               if (call->tx_queue) {
+                       union parameter newparam;
+
+                       memset(&newparam, 0, sizeof(union parameter));
+                       newparam.queue = call->tx_queue * 8;
+                       send_message(MESSAGE_DISABLE_DEJITTER, call->ref, &newparam);
+               }
        else
                CERROR(NULL, ast, "lcr_config app not called by chan_lcr channel.\n");
 
@@ -3256,20 +3458,6 @@ int load_module(void)
        ast_mutex_init(&chan_lock);
        ast_mutex_init(&log_lock);
 
-       if (bchannel_initialize()) {
-               CERROR(NULL, NULL, "Unable to open mISDN device\n");
-               close_socket();
-
-               #ifdef LCR_FOR_ASTERISK
-               return AST_MODULE_LOAD_DECLINE;
-               #endif
-
-               #ifdef LCR_FOR_CALLWEAVER
-               return 0;
-               #endif
-       }
-       mISDN_created = 1;
-
        #if ASTERISK_VERSION_NUM < 100000
        lcr_tech.capabilities = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
        #else
@@ -3282,7 +3470,6 @@ int load_module(void)
        #endif
        if (ast_channel_register(&lcr_tech)) {
                CERROR(NULL, NULL, "Unable to register channel class\n");
-               bchannel_deinitialize();
                close_socket();
 
                #ifdef LCR_FOR_ASTERISK
@@ -3310,18 +3497,21 @@ int load_module(void)
                                 "    d - Send display text on called phone, text is the optarg.\n"
                                 "    n - Don't detect dtmf tones on called channel.\n"
                                 "    h - Force data call (HDLC).\n"
-                                "    t - Disable mISDN_dsp features (required for fax application).\n"
                                 "    q - Add queue to make fax stream seamless (required for fax app).\n"
                                 "        Use queue size in miliseconds for optarg. (try 250)\n"
                                 "    f - Adding fax detection. It it timeouts, mISDN_dsp is used.\n"
                                 "        Use time to detect for optarg.\n"
+#if 0
                                 "    c - Make crypted outgoing call, optarg is keyindex.\n"
                                 "    e - Perform echo cancelation on this channel.\n"
+#endif
                                 "        Takes mISDN pipeline option as optarg.\n"
                                 "    s - Send Non Inband DTMF as inband.\n"
                                 "    r - re-buffer packets (160 bytes). Required for some SIP-phones and fax applications.\n"
+#if 0
                                 "   vr - rxgain control\n"
                                 "   vt - txgain control\n"
+#endif
                                 "        Volume changes at factor 2 ^ optarg.\n"
                                 "    k - use keypad to dial this call.\n"
                                 "\n"
@@ -3345,7 +3535,6 @@ int load_module(void)
 
        if ((pthread_create(&chan_tid, NULL, chan_thread, NULL)<0)) {
                /* failed to create thread */
-               bchannel_deinitialize();
                close_socket();
                ast_channel_unregister(&lcr_tech);
 
@@ -3382,11 +3571,6 @@ int unload_module(void)
 
        ast_unregister_application("lcr_config");
 
-       if (mISDN_created) {
-               bchannel_deinitialize();
-               mISDN_created = 0;
-       }
-
        if (lcr_sock >= 0) {
                close(lcr_sock);
                lcr_sock = -1;