+ * send setup info to LCR
+ * this function is called, when asterisk call is received and ref is received
+ */
+static void send_setup_to_lcr(struct chan_call *call)
+{
+ union parameter newparam;
+ struct ast_channel *ast = call->ast;
+
+ if (!call->ast || !call->ref)
+ return;
+
+ CDEBUG(call, call->ast, "Sending setup to LCR.\n");
+
+ /* send setup message to LCR */
+ memset(&newparam, 0, sizeof(union parameter));
+ newparam.setup.callerinfo.itype = INFO_ITYPE_CHAN;
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ if (ast->cid.cid_num) if (ast->cid.cid_num[0])
+ strncpy(newparam.setup.callerinfo.id, ast->cid.cid_num, sizeof(newparam.setup.callerinfo.id)-1);
+ if (ast->cid.cid_name) if (ast->cid.cid_name[0])
+ strncpy(newparam.setup.callerinfo.name, ast->cid.cid_name, sizeof(newparam.setup.callerinfo.name)-1);
+ if (ast->cid.cid_rdnis) if (ast->cid.cid_rdnis[0])
+ {
+ strncpy(newparam.setup.redirinfo.id, ast->cid.cid_rdnis, sizeof(newparam.setup.redirinfo.id)-1);
+ newparam.setup.redirinfo.itype = INFO_ITYPE_CHAN;
+ newparam.setup.redirinfo.ntype = INFO_NTYPE_UNKNOWN;
+ }
+ switch(ast->cid.cid_pres & AST_PRES_RESTRICTION)
+ {
+ case AST_PRES_ALLOWED:
+ newparam.setup.callerinfo.present = INFO_PRESENT_ALLOWED;
+ break;
+ case AST_PRES_RESTRICTED:
+ newparam.setup.callerinfo.present = INFO_PRESENT_RESTRICTED;
+ break;
+ case AST_PRES_UNAVAILABLE:
+ newparam.setup.callerinfo.present = INFO_PRESENT_NOTAVAIL;
+ break;
+ default:
+ newparam.setup.callerinfo.present = INFO_PRESENT_NULL;
+ }
+ switch(ast->cid.cid_ton)
+ {
+ case 4:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_SUBSCRIBER;
+ break;
+ case 2:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_NATIONAL;
+ break;
+ case 1:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_INTERNATIONAL;
+ break;
+ default:
+ newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+ }
+ newparam.setup.capainfo.bearer_capa = ast->transfercapability;
+#ifdef TODO
+ newparam.setup.capainfo.bearer_info1 = alaw 3, ulaw 2;
+#endif
+ newparam.setup.capainfo.bearer_info1 = 3;
+ newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
+ newparam.setup.capainfo.hlc = INFO_HLC_NONE;
+ newparam.setup.capainfo.exthlc = INFO_HLC_NONE;
+ send_message(MESSAGE_SETUP, call->ref, &newparam);
+
+ /* change to outgoing setup state */
+ call->state = CHAN_LCR_STATE_OUT_SETUP;
+}
+
+/*
+ * send dialing info to LCR
+ * this function is called, when setup acknowledge is received and dialing
+ * info is available.
+ */
+static void send_dialque_to_lcr(struct chan_call *call)
+{
+ union parameter newparam;
+
+ if (!call->ast || !call->ref || !call->dialque)
+ return;
+
+ CDEBUG(call, call->ast, "Sending dial queue to LCR.\n");
+
+ /* send setup message to LCR */
+ memset(&newparam, 0, sizeof(union parameter));
+ strncpy(newparam.information.id, call->dialque, sizeof(newparam.information.id)-1);
+ call->dialque[0] = '\0';
+ send_message(MESSAGE_INFORMATION, call->ref, &newparam);
+}
+
+/*
+ * in case of a bridge, the unsupported message can be forwarded directly
+ * to the remote call.
+ */
+static void bridge_message_if_bridged(struct chan_call *call, int message_type, union parameter *param)
+{
+ /* check bridge */
+ if (!call) return;
+ if (!call->bridge_call) return;
+ CDEBUG(call, NULL, "Sending message due briding.\n");
+ send_message(message_type, call->bridge_call->ref, param);
+}
+
+/*
+ * check if extension matches and start asterisk
+ * if it can match, proceed
+ * if not, release
+ */
+static void lcr_start_pbx(struct chan_call *call, struct ast_channel *ast, int complete)
+{
+ int cause, ret;
+ union parameter newparam;
+
+ if (complete)
+ {
+ /* if not match */
+ if (!ast_canmatch_extension(ast, ast->context, ast->exten, 1, call->oad))
+ {
+ CDEBUG(call, ast, "Got 'sending complete', but extension '%s' will not match at context '%s' - releasing.\n", ast->exten, ast->context);
+ cause = 1;
+ goto release;
+ }
+ if (!ast_exists_extension(ast, ast->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", ast->exten, ast->context);
+ cause = 28;
+ goto release;
+ }
+ CDEBUG(call, ast, "Got 'sending complete', extensions matches.\n");
+ /* send setup acknowledge to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ send_message(MESSAGE_PROCEEDING, call->ref, &newparam);
+
+ /* change state */
+ call->state = CHAN_LCR_STATE_IN_PROCEEDING;
+
+ goto start;
+ }
+
+ if (ast_canmatch_extension(ast, ast->context, ast->exten, 1, call->oad))
+ {
+ /* send setup acknowledge to lcr */
+ memset(&newparam, 0, sizeof(union parameter));
+ send_message(MESSAGE_OVERLAP, call->ref, &newparam);
+
+ /* change state */
+ call->state = CHAN_LCR_STATE_IN_DIALING;
+
+ /* if match, start pbx */
+ if (ast_exists_extension(ast, ast->context, ast->exten, 1, call->oad)) {
+ CDEBUG(call, ast, "Extensions matches.\n");
+ goto start;
+ }
+
+ /* if can match */
+ CDEBUG(call, ast, "Extensions may match, if more digits are dialed.\n");
+ return;
+ }
+
+ /* if not match */
+ cause = 1;
+ release:
+ /* release lcr */
+ CDEBUG(call, ast, "Releasing due to extension missmatch.\n");
+ memset(&newparam, 0, sizeof(union parameter));
+ newparam.disconnectinfo.cause = cause;
+ newparam.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
+ send_message(MESSAGE_RELEASE, call->ref, &newparam);
+ call->ref = 0;
+ /* release asterisk */
+ ast->hangupcause = call->cause;
+ /* change to release state */
+ call->state = CHAN_LCR_STATE_RELEASE;
+ ast_hangup(ast); // call will be destroyed here
+ return;
+
+ start:
+ /* send setup to asterisk */
+ CDEBUG(call, ast, "Starting call to Asterisk due to matching extension.\n");
+ ret = ast_pbx_start(ast);
+ if (ret < 0)
+ {
+ cause = (ret==-2)?34:27;
+ goto release;
+ }
+ call->pbx_started = 1;
+ return;
+}
+
+/*