backup
[lcr.git] / dss1.cpp
index cbb622d..095f8ff 100644 (file)
--- a/dss1.cpp
+++ b/dss1.cpp
@@ -34,7 +34,7 @@ extern "C" {
 /*
  * constructor
  */
-Pdss1::Pdss1(int type, mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive) : PmISDN(type, mISDNport, portname, settings, channel, exclusive)
+Pdss1::Pdss1(int type, struct mISDNport *mISDNport, char *portname, struct port_settings *settings, int channel, int exclusive) : PmISDN(type, mISDNport, portname, settings, channel, exclusive)
 {
        p_callerinfo.itype = (mISDNport->ifport->interface->extension)?INFO_ITYPE_ISDN:INFO_ITYPE_ISDN_EXTENSION;
        p_m_d_ntmode = mISDNport->ntmode;
@@ -136,126 +136,6 @@ msg_t *create_l2msg(int prim, int dinfo, int size) /* NT only */
        exit(-1);
 }
 
-/* isdn messaging */
-static struct isdn_message {
-       char *name;
-       unsigned long value;
-} isdn_message[] = {
-       {"TIMEOUT", CC_TIMEOUT},
-       {"SETUP", CC_SETUP},
-       {"SETUP_ACK", CC_SETUP_ACKNOWLEDGE},
-       {"PROCEEDING", CC_PROCEEDING},
-       {"ALERTING", CC_ALERTING},
-       {"CONNECT", CC_CONNECT},
-       {"CONNECT RES", CC_CONNECT},
-       {"CONNECT_ACK", CC_CONNECT_ACKNOWLEDGE},
-       {"DISCONNECT", CC_DISCONNECT},
-       {"RELEASE", CC_RELEASE},
-       {"RELEASE_COMP", CC_RELEASE_COMPLETE},
-       {"INFORMATION", CC_INFORMATION},
-       {"PROGRESS", CC_PROGRESS},
-       {"NOTIFY", CC_NOTIFY},
-       {"SUSPEND", CC_SUSPEND},
-       {"SUSPEND_ACK", CC_SUSPEND_ACKNOWLEDGE},
-       {"SUSPEND_REJ", CC_SUSPEND_REJECT},
-       {"RESUME", CC_RESUME},
-       {"RESUME_ACK", CC_RESUME_ACKNOWLEDGE},
-       {"RESUME_REJ", CC_RESUME_REJECT},
-       {"HOLD", CC_HOLD},
-       {"HOLD_ACK", CC_HOLD_ACKNOWLEDGE},
-       {"HOLD_REJ", CC_HOLD_REJECT},
-       {"RETRIEVE", CC_RETRIEVE},
-       {"RETRIEVE_ACK", CC_RETRIEVE_ACKNOWLEDGE},
-       {"RETRIEVE_REJ", CC_RETRIEVE_REJECT},
-       {"FACILITY", CC_FACILITY},
-       {"STATUS", CC_STATUS},
-       {"RESTART", CC_RESTART},
-       {"RELEASE_CR", CC_RELEASE_CR},
-       {"NEW_CR", CC_NEW_CR},
-       {"DL_ESTABLSIH", DL_ESTABLSIH},
-       {"DL_RELEASE", DL_RELEASE},
-       {"PH_ACTICATIE", PH_ACTICATIE},
-       {"PH_DEACTICATIE", PH_DEACTICATIE},
-
-       {NULL, 0},
-};
-
-static char *isdn_prim[4] = {
-       " REQUEST",
-       " CONFIRM",
-       " INDICATION",
-       " RESPONSE",
-};
-
-
-/*
- * isdn trace header
- */
-void Pdss1::l1l2l3_trace_header(unsigned long prim, int direction_out)
-{
-       int i;
-       char msgtext[64] = "<<UNKNOWN MESSAGE>>";
-
-       /* select message and primitive text */
-       i = 0;
-       while(isdn_message[i].name)
-       {
-               if (isdn_message[i].value == (prim&0xffffff00))
-               {
-                       SCPY(msgtext, isdn_message[i].name);
-                       break;
-               }
-               i++;
-       }
-       SCAT(msgtext, isdn_prim[prim&0x00000003]);
-
-       /* add direction */
-       if (direction && (prim&0xffffff00)!=CC_NEW_CR && (prim&0xffffff00)!=CC_RELEASE_CR)
-       {
-               if (p_m_ntmode)
-               {
-                       if (direction == DIRECTION_OUT)
-                               SCAT(msgtext, " N->U");
-                       else
-                               SCAT(msgtext, " N<-U");
-               } else
-               {
-                       if (direction == DIRECTION_OUT)
-                               SCAT(msgtext, " U->N");
-                       else
-                               SCAT(msgtext, " U<-N");
-               }
-       }
-
-       /* init trace with given values */
-       start_trace(p_m_mISDNport->portnum,
-                   p_m_mISDNport->ifport->interface,
-                   nationalize(p_callerinfo.id, p_callerinfo.ntype),
-                   p_dialinginfo.number,
-                   direction,
-                   CATEGORY_L3,
-                   p_serial,
-                   msgtext);
-}
-
-
-void Pdss1::chan_trace_header(char *msgtext)
-{
-       int i;
-
-
-       /* init trace with given values */
-       start_trace(p_m_mISDNport->portnum,
-                   p_m_mISDNport->ifport->interface,
-                   nationalize(p_callerinfo.id, p_callerinfo.ntype),
-                   p_dialinginfo.number,
-                   0,
-                   CATEGORY_L3,
-                   p_serial,
-                   msgtext);
-}
-
-
 /*
  * if we received a first reply to the setup message,
  * we will check if we have now channel information 
@@ -282,7 +162,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                if (p_state != PORT_STATE_OUT_SETUP)
                        return(0);
 
-               chan_trace_header("CHANNEL SELECTION (first reply to setup)");
+               chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (first reply to setup)", DIRECTION_NONE);
                add_trace("channel", "request", "%d (forced)", p_m_b_channel);
                add_trace("channel", "reply", (channel>=0)?"%d":"(none)", channel);
 
@@ -300,7 +180,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                end_trace();
 
                /* activate our exclusive channel */
-               bchannel_activate(p_m_mISDNport, p_m_b_index);
+               bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
        } else
        if (p_m_b_channel)
        {
@@ -310,7 +190,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                if (p_state != PORT_STATE_OUT_SETUP)
                        return(0);
 
-               chan_trace_header("CHANNEL SELECTION (first reply to setup)");
+               chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (first reply to setup)", DIRECTION_NONE);
                add_trace("channel", "request", "%d (suggest)", p_m_b_channel);
                add_trace("channel", "reply", (channel>=0)?"%d":"(none)", channel);
 
@@ -321,7 +201,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                        add_trace("connect", "channel", "%d", p_m_b_channel);
                        end_trace();
                        p_m_b_exclusive = 1; // we are done
-                       bchannel_activate(p_m_mISDNport, p_m_b_index);
+                       bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
                        return(0);
                }
 
@@ -348,7 +228,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                end_trace();
 
                /* activate channel given by remote */
-               bchannel_activate(p_m_mISDNport, p_m_b_index);
+               bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
        } else
        if (p_m_b_reserve)
        {
@@ -358,7 +238,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                if (p_state != PORT_STATE_OUT_SETUP)
                        return(0);
 
-               chan_trace_header("CHANNEL SELECTION (first reply to setup)");
+               chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (first reply to setup)", DIRECTION_NONE);
                add_trace("channel", "request", "any");
                add_trace("channel", "reply", (channel>=0)?"%d":"(none)", channel);
                /* if no channel was replied */
@@ -384,7 +264,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                end_trace();
 
                /* activate channel given by remote */
-               bchannel_activate(p_m_mISDNport, p_m_b_index);
+               bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
        } else
        {
                /*** we sent 'no channel available' ***/
@@ -392,7 +272,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                /* if not the first reply, but a connect, we are forced */
                if (prim==(CC_CONNECT | INDICATION) && p_state!=PORT_STATE_OUT_SETUP)
                {
-                       chan_trace_header("CHANNEL SELECTION (connect)");
+                       chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (connect)", DIRECTION_NONE);
                        add_trace("channel", "request", "no-channel");
                        add_trace("channel", "reply", (channel>=0)?"%d%s":"(none)", channel, exclusive?" (forced)":"");
                        if (channel > 0)
@@ -413,7 +293,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                        p_m_b_exclusive = 1; // we are done
 
                        /* activate channel given by remote */
-                       bchannel_activate(p_m_mISDNport, p_m_b_index);
+                       bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
                        return(0);
                }
                
@@ -421,7 +301,7 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                if (p_state != PORT_STATE_OUT_SETUP)
                        return(0);
 
-               chan_trace_header("CHANNEL SELECTION (first reply to setup)");
+               chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (first reply to setup)", DIRECTION_NONE);
                add_trace("channel", "request", "no-channel");
                add_trace("channel", "reply", (channel>=0)?"%d":"(none)", channel);
                /* if first reply has no channel, we are done */
@@ -448,15 +328,14 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
                p_m_b_exclusive = 1; // we are done
 
                /* activate channel given by remote */
-               bchannel_activate(p_m_mISDNport, p_m_b_index);
+               bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
        }
        return(0);
 
        channelerror:
        dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, p_m_d_l3id, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
-       l1l2l3_trace_header(CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
-
        release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
        enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, -ret);
        end_trace();
        msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -467,6 +346,135 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
 
 
 /*
+ * hunt bchannel for incomming setup or retrieve or resume
+ */
+int Pdss1::hunt_bchannel(int channel, int exclusive)
+{
+       struct select_channel *selchannel;
+       struct interface_port *ifport = p_m_mISDNport->ifport;
+       int i;
+
+       chan_trace_header(p_m_mISDNport, this, "CHANNEL SELECTION (setup)", DIRECTION_NONE);
+       if (exclusive<0)
+               exclusive = 0;
+       if (channel == CHANNEL_NO)
+               add_trace("channel", "request", "no-channel");
+       else
+               add_trace("channel", "request", (channel>0)?"%d%s":"any", channel, exclusive?" (forced)":"");
+       if (channel==CHANNEL_NO && p_type==PORT_TYPE_DSS1_TE_IN)
+       {
+               add_trace("conclusion", NULL, "incoming call-waiting not supported for TE-mode");
+               end_trace();
+               return(-6); // channel unacceptable
+       }
+       if (channel <= 0) /* not given, no channel, whatever.. */
+               channel = CHANNEL_ANY; /* any channel */
+       if (p_m_mISDNport->b_reserved >= p_m_mISDNport->b_num) // of out chan..
+       {
+               add_trace("channel", "reserved", "%d", p_m_mISDNport->b_reserved);
+               add_trace("conclusion", NULL, "all channels are reserved");
+               end_trace();
+               return(-34); // no channel
+       }
+       if (channel == CHANNEL_ANY)
+               goto get_from_list;
+       if (channel > 0)
+       {
+               /* check for given channel in selection list */
+               selchannel = ifport->in_channel;
+               while(selchannel)
+               {
+                       if (selchannel->channel == channel || selchannel->channel == CHANNEL_FREE)
+                               break;
+                       selchannel = selchannel->next;
+               }
+               if (!selchannel)
+                       channel = 0;
+
+               /* exclusive channel requests must be in the list */
+               if (exclusive)
+               {
+                       if (!channel)
+                       {
+                               add_trace("conclusion", NULL, "exclusively requested channel not in list");
+                               end_trace();
+                               return(-6); // channel unacceptable
+                       }
+                       i = selchannel->channel-1-(selchannel->channel>=17);
+                       if (p_m_mISDNport->b_port[i] == NULL)
+                               goto use_channel;
+                       add_trace("conclusion", NULL, "exclusively requested channel is busy");
+                       end_trace();
+                       return(-6); // channel unacceptable
+               }
+
+               /* requested channels in list will be used */
+               if (channel)
+               {
+                       i = selchannel->channel-1-(selchannel->channel>=17);
+                       if (p_m_mISDNport->b_port[i] == NULL)
+                               goto use_channel;
+               }
+
+               /* if channel is not available or not in list, it must be searched */
+               get_from_list:
+               /* check for first free channel in list */
+               channel = 0;
+               selchannel = ifport->in_channel;
+               while(selchannel)
+               {
+                       switch(selchannel->channel)
+                       {
+                               case CHANNEL_FREE: /* free channel */
+                               add_trace("hunting", "channel", "free");
+                               if (p_m_mISDNport->b_reserved >= p_m_mISDNport->b_num)
+                                       break; /* all channel in use or reserverd */
+                               /* find channel */
+                               i = 0;
+                               while(i < p_m_mISDNport->b_num)
+                               {
+                                       if (p_m_mISDNport->b_port[i] == NULL)
+                                       {
+                                               channel = i+1+(i>=15);
+                                               break;
+                                       }
+                                       i++;
+                               }
+                               break;
+
+                               default:
+                               add_trace("hunting", "channel", "%d", selchannel->channel);
+                               if (selchannel->channel<1 || selchannel->channel==16)
+                                       break; /* invalid channels */
+                               i = selchannel->channel-1-(selchannel->channel>=17);
+                               if (i >= p_m_mISDNport->b_num)
+                                       break; /* channel not in port */
+                               if (p_m_mISDNport->b_port[i] == NULL)
+                               {
+                                       channel = selchannel->channel;
+                                       break;
+                               }
+                               break;
+                       }
+                       if (channel)
+                               break; /* found channel */
+                       selchannel = selchannel->next;
+               }
+               if (!channel)
+               {
+                       add_trace("conclusion", NULL, "no channel available");
+                       end_trace();
+                       return(-6); // channel unacceptable
+               }
+       }
+use_channel:
+       add_trace("conclusion", NULL, "channel available");
+       add_trace("connect", "channel", "%d", p_m_b_channel);
+       end_trace();
+       return(channel);
+}
+
+/*
  * handles all indications
  */
 /* CC_SETUP INDICATION */
@@ -474,8 +482,11 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
 {
        int headerlen = (p_m_d_ntmode)?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
        SETUP_t *setup = (SETUP_t *)((unsigned long)data + headerlen);
-       int type, plan, present, screen, reason;
-       int coding, capability, mode, rate, multi, user, presentation, interpretation, hlc, exthlc;
+       int calling_type, calling_plan, calling_present, calling_screen;
+       int called_type, called_plan;
+       int redir_type, redir_plan, redir_present, redir_screen, redir_reason;
+       int hlc_coding, hlc_presentation, hlc_interpretation, hlc_hlc, hlc_exthlc;
+       int bearer_coding, bearer_capability, bearer_mode, bearer_rate, bearer_multi, bearer_user;
        int exclusive, channel;
        int ret;
        msg_t *dmsg;
@@ -494,7 +505,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                        PERROR("fatal software error: l3-stack gives us a process id 0xff00-0xffff\n");
                        exit(-1);
                }
-               l1l2l3_trace_header(CC_NEW_CR | INDICATION, DIRECTION_IN);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_NEW_CR | INDICATION, DIRECTION_IN);
                if (p_m_d_l3id)
                        add_trace("callref", "old", "0x%x", p_m_d_l3id);
                add_trace("callref", "new", "0x%x", dinfo);
@@ -505,7 +516,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_m_d_ces = setup->ces;
        }
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_calling_pn(setup->CALLING_PN, (Q931_info_t *)((unsigned long)data+headerlen), &calling_type, &calling_plan, &calling_present, &calling_screen, (unsigned char *)p_callerinfo.id, sizeof(p_callerinfo.id));
        dec_ie_called_pn(setup->CALLED_PN, (Q931_info_t *)((unsigned long)data+headerlen), &called_type, &called_plan, (unsigned char *)p_dialinginfo.number, sizeof(p_dialinginfo.number));
        dec_ie_keypad(setup->KEYPAD, (Q931_info_t *)((unsigned long)data+headerlen), (unsigned char *)keypad, sizeof(keypad));
@@ -518,8 +529,8 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
        dec_ie_complete(setup->COMPLETE, (Q931_info_t *)((unsigned long)data+headerlen), &p_dialinginfo.sending_complete);
        dec_ie_redir_nr(setup->REDIR_NR, (Q931_info_t *)((unsigned long)data+headerlen), &redir_type, &redir_plan, &redir_present, &redir_screen, &redir_reason, (unsigned char *)p_redirinfo.id, sizeof(p_redirinfo.id));
        dec_ie_channel_id(setup->CHANNEL_ID, (Q931_info_t *)((unsigned long)data+headerlen), &exclusive, &channel);
-       dec_ie_hlc(setup->HLC, (Q931_info_t *)((unsigned long)data+headerlen), &hlc_coding, &interpretation, &presentation, &hlc, &exthlc);
-       dec_ie_bearer(setup->BEARER, (Q931_info_t *)((unsigned long)data+headerlen), &bearer_coding, &capability, &mode, &rate, &multi, &user);
+       dec_ie_hlc(setup->HLC, (Q931_info_t *)((unsigned long)data+headerlen), &hlc_coding, &hlc_interpretation, &hlc_presentation, &hlc_hlc, &hlc_exthlc);
+       dec_ie_bearer(setup->BEARER, (Q931_info_t *)((unsigned long)data+headerlen), &bearer_coding, &bearer_capability, &bearer_mode, &bearer_rate, &bearer_multi, &bearer_user);
        end_trace();
 
        /* if blocked, release call */
@@ -527,10 +538,9 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
        {
                RELEASE_COMPLETE_t *release_complete;
 
-               printlog("---  port#%d is blocked.\n", mISDNport->ifport->portnum);
                dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, dinfo, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
-               l1l2l3_trace_header(CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, 27); /* temporary unavailable */
                add_trace("reason", NULL, "port blocked");
                end_trace();
@@ -541,7 +551,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
        }
 
        /* caller info */
-       switch (present)
+       switch (calling_present)
        {
                case 1:
                p_callerinfo.present = INFO_PRESENT_RESTRICTED;
@@ -553,7 +563,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_callerinfo.present = INFO_PRESENT_ALLOWED;
                break;
        }
-       switch (screen)
+       switch (calling_screen)
        {
                case 0:
                p_callerinfo.screen = INFO_SCREEN_USER;
@@ -562,7 +572,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_callerinfo.screen = INFO_SCREEN_NETWORK;
                break;
        }
-       switch (type)
+       switch (calling_type)
        {
                case -1:
                p_callerinfo.ntype = INFO_NTYPE_UNKNOWN;
@@ -587,7 +597,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
 
        /* dialing information */
        SCAT(p_dialinginfo.number, (char *)keypad);
-       switch (type)
+       switch (called_type)
        {
                case 0x1:
                p_dialinginfo.ntype = INFO_NTYPE_INTERNATIONAL;
@@ -602,7 +612,9 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
                break;
        }
-       switch (present)
+
+       /* redir info */
+       switch (redir_present)
        {
                case 1:
                p_redirinfo.present = INFO_PRESENT_RESTRICTED;
@@ -614,7 +626,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_redirinfo.present = INFO_PRESENT_ALLOWED;
                break;
        }
-       switch (screen)
+       switch (redir_screen)
        {
                case 0:
                p_redirinfo.screen = INFO_SCREEN_USER;
@@ -623,7 +635,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_redirinfo.screen = INFO_SCREEN_NETWORK;
                break;
        }
-       switch (reason)
+       switch (redir_reason)
        {
                case 1:
                p_redirinfo.reason = INFO_REDIR_BUSY;
@@ -644,7 +656,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_redirinfo.reason = INFO_REDIR_UNKNOWN;
                break;
        }
-       switch (type)
+       switch (redir_type)
        {
                case -1:
                p_redirinfo.ntype = INFO_NTYPE_UNKNOWN;
@@ -667,17 +679,17 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
        p_redirinfo.isdn_port = p_m_portnum;
 
        /* bearer capability */
-       switch (capability)
+       switch (bearer_capability)
        {
                case -1:
                p_capainfo.bearer_capa = INFO_BC_AUDIO;
-               user = (options.law=='a')?3:2;
+               bearer_user = (options.law=='a')?3:2;
                break;
                default:
-               p_capainfo.bearer_capa = capability;
+               p_capainfo.bearer_capa = bearer_capability;
                break;
        }
-       switch (mode)
+       switch (bearer_mode)
        {
                case 2:
                p_capainfo.bearer_mode = INFO_BMODE_PACKET;
@@ -686,169 +698,51 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
                break;
        }
-       switch (user)
+       switch (bearer_user)
        {
                case -1:
                p_capainfo.bearer_info1 = INFO_INFO1_NONE;
                break;
                default:
-               p_capainfo.bearer_info1 = user + 0x80;
+               p_capainfo.bearer_info1 = bearer_user + 0x80;
                break;
        }
 
        /* hlc */
-       switch (hlc)
+       switch (hlc_hlc)
        {
                case -1:
                p_capainfo.hlc = INFO_HLC_NONE;
                break;
                default:
-               p_capainfo.hlc = hlc + 0x80;
+               p_capainfo.hlc = hlc_hlc + 0x80;
                break;
        }
-       switch (exthlc)
+       switch (hlc_exthlc)
        {
                case -1:
                p_capainfo.exthlc = INFO_HLC_NONE;
                break;
                default:
-               p_capainfo.exthlc = exthlc + 0x80;
+               p_capainfo.exthlc = hlc_exthlc + 0x80;
                break;
        }
 
-       /* process channel */
-       chan_trace_header("CHANNEL SELECTION (setup)");
-       if (exclusive<0)
-               exclusive = 0;
-       if (channel == CHANNEL_NO)
-               add_trace("channel", "request", "no-channel");
-       else
-               add_trace("channel", "request", (channel>0)?"%d%s":"any", channel, exclusive?" (forced)":"");
-       if (channel==CHANNEL_NO && p_type==PORT_TYPE_DSS1_TE_IN)
-       {
-               add_trace("conclusion", NULL, "incoming call-waiting not supported for TE-mode");
-               end_trace();
-               ret = -6; // channel unacceptable
-               goto no_channel;
-       }
-       if (channel <= 0) /* not given, no channel, whatever.. */
-               channel = CHANNEL_ANY; /* any channel */
-       if (p_m_mISDNport->b_reserved >= p_m_mISDNport->b_num) // of out chan..
-       {
-               add_trace("channel", "reserved", "%d", p_m_mISDNport->b_reserved);
-               add_trace("conclusion", NULL, "all channels are reserved");
-               end_trace();
-               ret = -34; // no channel
+       /* hunt channel */
+       ret = channel = hunt_bchannel(channel, exclusive);
+       if (ret < 0)
                goto no_channel;
-       }
-       if (channel == CHANNEL_ANY)
-               goto get_from_list;
-       if (channel > 0)
-       {
-               /* check for given channel in selection list */
-               selchannel = ifport->channel_in;
-               while(selchannel)
-               {
-                       if (selchannel->channel == channel || selchannel->channel == CHANNEL_FREE)
-                               break;
-                       selchannel = selchannel->next;
-               }
-               if (!selchannel)
-                       channel = 0;
-
-               /* exclusive channel requests must be in the list */
-               if (exclusive)
-               {
-                       if (!channel)
-                       {
-                               add_trace("conclusion", NULL, "exclusively requested channel not in list");
-                               end_trace();
-                               ret = 6; // unacceptable
-                               goto no_channel;
-                       }
-                       i = selchannel->channel-1-(selchannel->channel>=17);
-                       if (mISDNport->b_port[i] == NULL)
-                               goto use_channel;
-                       add_trace("conclusion", NULL, "exclusively requested channel is busy");
-                       end_trace();
-                       ret = 6; // unacceptable
-                       goto no_channel;
-               }
-
-               /* requested channels in list will be used */
-               if (channel)
-               {
-                       i = selchannel->channel-1-(selchannel->channel>=17);
-                       if (mISDNport->b_port[i] == NULL)
-                               goto use_channel;
-               }
-
-               /* if channel is not available or not in list, it must be searched */
-               get_from_list:
-               /* check for first free channel in list */
-               channel = 0;
-               selchannel = ifport->channel_in;
-               while(selchannel)
-               {
-                       switch(selchannel->channel)
-                       {
-                               case CHANNEL_FREE: /* free channel */
-                               add_trace("hunting", "channel", "free");
-                               if (mISDNport->b_inuse >= mISDNport->b_num)
-                                       break; /* all channel in use or reserverd */
-                               /* find channel */
-                               i = 0;
-                               while(i < mISDNport->b_num)
-                               {
-                                       if (mISDNport->b_port[i] == NULL)
-                                       {
-                                               channel = i+1+(i>=15);
-                                               break;
-                                       }
-                                       i++;
-                               }
-                               break;
-
-                               default:
-                               add_trace("hunting", "channel", "%d", selchannel->channel);
-                               if (selchannel->channel<1 || selchannel->channel==16)
-                                       break; /* invalid channels */
-                               i = selchannel->channel-1-(selchannel->channel>=17);
-                               if (i >= mISDNport->b_num)
-                                       break; /* channel not in port */
-                               if (mISDNport->b_port[i] == NULL)
-                               {
-                                       channel = selchannel->channel;
-                                       break;
-                               }
-                               break;
-                       }
-                       if (channel)
-                               break; /* found channel */
-                       selchannel = selchannel->next;
-               }
-               if (!channel)
-               {
-                       add_trace("conclusion", NULL, "no channel available");
-                       end_trace();
-                       ret = 6; // unacceptable
-                       goto no_channel;
-               }
-       }
 
        /* open channel */
-       use_channel:
        ret = seize_bchannel(channel, 1);
        if (ret < 0)
        {
-               add_trace("conclusion", NULL, "channel not available");
-               end_trace();
                no_channel:
                RELEASE_COMPLETE_t *release_complete;
 
                dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, dinfo, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
-               l1l2l3_trace_header(CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, -ret);
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -856,10 +750,7 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_m_delete = 1;
                return;
        }
-       add_trace("conclusion", NULL, "channel available");
-       add_trace("connect", "channel", "%d", p_m_b_channel);
-       end_trace();
-       bchannel_activate(p_m_mISDNport, p_m_b_index);
+       bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
 
        /* create endpoint */
        if (p_epointlist)
@@ -872,8 +763,8 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
                RELEASE_COMPLETE_t *release_complete;
 
                dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, dinfo, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
-               l1l2l3_trace_header(CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, 41); /* temporary failure */
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -916,7 +807,7 @@ void Pdss1::information_ind(unsigned long prim, unsigned long dinfo, void *data)
        unsigned char keypad[32] = "";
        struct message *message;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_called_pn(information->CALLED_PN, (Q931_info_t *)((unsigned long)data+headerlen), &type, &plan, (unsigned char *)p_dialinginfo.number, sizeof(p_dialinginfo.number));
        dec_ie_keypad(information->KEYPAD, (Q931_info_t *)((unsigned long)data+headerlen), (unsigned char *)keypad, sizeof(keypad));
        dec_ie_complete(information->COMPLETE, (Q931_info_t *)((unsigned long)data+headerlen), &p_dialinginfo.sending_complete);
@@ -955,7 +846,7 @@ void Pdss1::setup_acknowledge_ind(unsigned long prim, unsigned long dinfo, void
        int ret;
        struct message *message;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_channel_id(setup_acknowledge->CHANNEL_ID, (Q931_info_t *)((unsigned long)data+headerlen), &exclusive, &channel);
        dec_ie_progress(setup_acknowledge->PROGRESS, (Q931_info_t *)((unsigned long)data+headerlen), &coding, &location, &progress);
        end_trace();
@@ -991,7 +882,7 @@ void Pdss1::proceeding_ind(unsigned long prim, unsigned long dinfo, void *data)
        int notify = -1, type, plan, present;
        char redir[32];
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_channel_id(proceeding->CHANNEL_ID, (Q931_info_t *)((unsigned long)data+headerlen), &exclusive, &channel);
        dec_ie_progress(proceeding->PROGRESS, (Q931_info_t *)((unsigned long)data+headerlen), &coding, &location, &progress);
        dec_ie_notify(NULL/*proceeding->NOTIFY*/, (Q931_info_t *)((unsigned long)data+headerlen), &notify);
@@ -1074,7 +965,7 @@ void Pdss1::alerting_ind(unsigned long prim, unsigned long dinfo, void *data)
        int notify = -1, type, plan, present;
        char redir[32];
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_channel_id(alerting->CHANNEL_ID, (Q931_info_t *)((unsigned long)data+headerlen), &exclusive, &channel);
        dec_ie_progress(alerting->PROGRESS, (Q931_info_t *)((unsigned long)data+headerlen), &coding, &location, &progress);
        dec_ie_notify(NULL/*alerting->NOTIFY*/, (Q931_info_t *)((unsigned long)data+headerlen), &notify);
@@ -1161,7 +1052,7 @@ void Pdss1::connect_ind(unsigned long prim, unsigned long dinfo, void *data)
        if (p_m_d_ntmode)
                p_m_d_ces = connect->ces;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_channel_id(connect->CHANNEL_ID, (Q931_info_t *)((unsigned long)data+headerlen), &exclusive, &channel);
        dec_ie_connected_pn(connect->CONNECT_PN, (Q931_info_t *)((unsigned long)data+headerlen), &type, &plan, &present, &screen, (unsigned char *)p_connectinfo.id, sizeof(p_connectinfo.id));
 #ifdef CENTREX
@@ -1227,12 +1118,12 @@ void Pdss1::connect_ind(unsigned long prim, unsigned long dinfo, void *data)
                break;
        }
        p_connectinfo.isdn_port = p_m_portnum;
-       SCPY(p_connectingo.interface, p_m_mISDNport->ifport->interface->name);
+       SCPY(p_connectinfo.interfaces, p_m_mISDNport->ifport->interface->name);
 
        /* send connect acknowledge */
        dmsg = create_l3msg(CC_CONNECT | RESPONSE, MT_CONNECT, dinfo, sizeof(CONNECT_ACKNOWLEDGE_t), p_m_d_ntmode);
-       l1l2l3_trace_header(CC_CONNECT | RESPONSE, DIRECTION_OUT);
        connect_acknowledge = (CONNECT_ACKNOWLEDGE_t *)(dmsg->data + headerlen);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_CONNECT | RESPONSE, DIRECTION_OUT);
        /* if we had no bchannel before, we send it now */
        if (!bchannel_before && p_m_b_channel)
                enc_ie_channel_id(&connect_acknowledge->CHANNEL_ID, dmsg, 1, p_m_b_channel);
@@ -1255,7 +1146,7 @@ void Pdss1::disconnect_ind(unsigned long prim, unsigned long dinfo, void *data)
        int coding, proglocation, progress;
        struct message *message;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_progress(disconnect->PROGRESS, (Q931_info_t *)((unsigned long)data+headerlen), &coding, &proglocation, &progress);
        dec_ie_cause(disconnect->CAUSE, (Q931_info_t *)((unsigned long)data+headerlen), &location, &cause);
        end_trace();
@@ -1271,7 +1162,7 @@ void Pdss1::disconnect_ind(unsigned long prim, unsigned long dinfo, void *data)
 
                dmsg = create_l3msg(CC_RELEASE | REQUEST, MT_RELEASE, dinfo, sizeof(RELEASE_t), p_m_d_ntmode);
                release = (RELEASE_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RELEASE | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&release->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, 16); /* normal */
                add_trace("reason", NULL, "no remote patterns");
                end_trace();
@@ -1320,7 +1211,7 @@ void Pdss1::disconnect_ind_i(unsigned long prim, unsigned long dinfo, void *data
        int location, cause;
 
        /* cause */
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        if (p_m_d_collect_cause > 0)
        {
                add_trace("old-cause", "location", "%d", p_m_d_collect_location);
@@ -1369,7 +1260,7 @@ void Pdss1::release_ind(unsigned long prim, unsigned long dinfo, void *data)
        int location, cause;
        struct message *message;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_cause(release->CAUSE, (Q931_info_t *)((unsigned long)data+headerlen), &location, &cause);
        end_trace();
 
@@ -1395,7 +1286,7 @@ void Pdss1::release_ind(unsigned long prim, unsigned long dinfo, void *data)
 
                dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, dinfo, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
                release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, 16);
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -1413,7 +1304,7 @@ void Pdss1::release_complete_ind(unsigned long prim, unsigned long dinfo, void *
        int location, cause;
        struct message *message;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_cause(release_complete->CAUSE, (Q931_info_t *)((unsigned long)data+headerlen), &location, &cause);
        end_trace();
 
@@ -1465,7 +1356,7 @@ void Pdss1::notify_ind(unsigned long prim, unsigned long dinfo, void *data)
        struct message *message;
        int notify, type, plan, present;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_notify(notifying->NOTIFY, (Q931_info_t *)((unsigned long)data+headerlen), &notify);
        dec_ie_redir_dn(notifying->REDIR_DN, (Q931_info_t *)((unsigned long)data+headerlen), &type, &plan, &present, (unsigned char *)message->param.notifyinfo.id, sizeof(message->param.notifyinfo.id));
        end_trace();
@@ -1526,14 +1417,14 @@ void Pdss1::hold_ind(unsigned long prim, unsigned long dinfo, void *data)
        msg_t *dmsg;
 //     class Endpoint *epoint;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        end_trace();
 
        if (!ACTIVE_EPOINT(p_epointlist) || p_m_hold)
        {
                dmsg = create_l3msg(CC_HOLD_REJECT | REQUEST, MT_HOLD_REJECT, dinfo, sizeof(HOLD_REJECT_t), p_m_d_ntmode);
                hold_reject = (HOLD_REJECT_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_HOLD_REJECT | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_HOLD_REJECT | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&hold_reject->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, p_m_hold?101:31); /* normal unspecified / incompatible state */
                add_trace("reason", NULL, "no endpoint");
                end_trace();
@@ -1549,11 +1440,10 @@ void Pdss1::hold_ind(unsigned long prim, unsigned long dinfo, void *data)
        message_put(message);
 
        /* deactivate bchannel */
-       chan_trace_header("CHANNEL RELEASE (hold)");
+       chan_trace_header(p_m_mISDNport, this, "CHANNEL RELEASE (hold)", DIRECTION_NONE);
        add_trace("disconnect", "channel", "%d", p_m_b_channel);
        end_trace();
-       free_bchannel();
-prüfen, ob bei allen alloc_bchannel/free_bchannel ein trace erfolgt
+       drop_bchannel();
 
        /* set hold state */
        p_m_hold = 1;
@@ -1569,7 +1459,7 @@ pr
        /* acknowledge hold */
        dmsg = create_l3msg(CC_HOLD_ACKNOWLEDGE | REQUEST, MT_HOLD_ACKNOWLEDGE, dinfo, sizeof(HOLD_ACKNOWLEDGE_t), p_m_d_ntmode);
        hold_acknowledge = (HOLD_ACKNOWLEDGE_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_HOLD_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_HOLD_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
        end_trace();
        msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
 }
@@ -1587,7 +1477,7 @@ void Pdss1::retrieve_ind(unsigned long prim, unsigned long dinfo, void *data)
        msg_t *dmsg;
        int ret;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_channel_id(retrieve->CHANNEL_ID, (Q931_info_t *)((unsigned long)data+headerlen), &exclusive, &channel);
        end_trace();
 
@@ -1598,7 +1488,7 @@ void Pdss1::retrieve_ind(unsigned long prim, unsigned long dinfo, void *data)
 
                dmsg = create_l3msg(CC_RETRIEVE_REJECT | REQUEST, MT_RETRIEVE_REJECT, dinfo, sizeof(RETRIEVE_REJECT_t), p_m_d_ntmode);
                retrieve_reject = (RETRIEVE_REJECT_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RETRIEVE_REJECT | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RETRIEVE_REJECT | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&retrieve_reject->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, cause);
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -1612,63 +1502,21 @@ void Pdss1::retrieve_ind(unsigned long prim, unsigned long dinfo, void *data)
        message->param.notifyinfo.local = 1; /* call is retrieved by supplementary service */
        message_put(message);
 
+       /* hunt channel */
+       ret = channel = hunt_bchannel(channel, exclusive);
+       if (ret < 0)
+               goto no_channel;
 
-
-mach den channel-kram, wie beim setup
-
-
-
-
-
-
-
-
-       
-       /* channel_id */
-       chan_trace_header("CHANNEL RELEASE (retrieve)");
-       if (exclusive<0)
-               exclusive = 0;
-alle channels richtig convertieren 
-       if (channel < 0)
-               channel = -1; /* any channel */
-       if (channel == ANY_CHANNEL)
-               channel = -1; /* any channel */
-       if (channel == CHANNEL_NO)
-               add_trace("channel", "request", "no-channel");
-       else
-               add_trace("channel", "request", (channel>0)?"%d%s":"any", channel, exclusive?" (forced)":"");
-       /* debug */
-       if (channel==CHANNEL_NO && (p_type==PORT_TYPE_DSS1_TE_IN||p_type==PORT_TYPE_DSS1_TE_OUT))
-       {
-               add_trace("conclusion", NULL, "incoming call-waiting not supported for TE-mode");
-               end_trace();
-               cause = 6;
-               goto reject;
-       }
        /* open channel */
-       ret = alloc_bchannel(channel, exclusive);
+       ret = seize_bchannel(channel, 1);
        if (ret < 0)
        {
-               PDEBUG(DEBUG_BCHANNEL, "- channel is not available (cause=%d), so we send a retrieve_reject.\n", -ret);
+               no_channel:
                cause = -ret;
                goto reject;
        }
+       bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-       
        /* set hold state */
        p_m_hold = 0;
        p_m_timeout = 0;
@@ -1676,7 +1524,7 @@ alle channels richtig convertieren
        /* acknowledge retrieve */
        dmsg = create_l3msg(CC_RETRIEVE_ACKNOWLEDGE | REQUEST, MT_RETRIEVE_ACKNOWLEDGE, dinfo, sizeof(RETRIEVE_ACKNOWLEDGE_t), p_m_d_ntmode);
        retrieve_acknowledge = (RETRIEVE_ACKNOWLEDGE_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_RETRIEVE_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_RETRIEVE_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
        enc_ie_channel_id(&retrieve_acknowledge->CHANNEL_ID, dmsg, 1, p_m_b_channel);
        end_trace();
        msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -1696,7 +1544,7 @@ void Pdss1::suspend_ind(unsigned long prim, unsigned long dinfo, void *data)
        msg_t *dmsg;
        int ret = -31; /* normal, unspecified */
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_call_id(suspend->CALL_ID, (Q931_info_t *)((unsigned long)data+headerlen), callid, &len);
        end_trace();
 
@@ -1705,7 +1553,7 @@ void Pdss1::suspend_ind(unsigned long prim, unsigned long dinfo, void *data)
                reject:
                dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST, MT_SUSPEND_REJECT, dinfo, sizeof(SUSPEND_REJECT_t), p_m_d_ntmode);
                suspend_reject = (SUSPEND_REJECT_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_SUSPEND_REJECT | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_SUSPEND_REJECT | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&suspend_reject->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, -ret);
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -1739,10 +1587,10 @@ void Pdss1::suspend_ind(unsigned long prim, unsigned long dinfo, void *data)
        message_put(message);
 
        /* deactivate bchannel */
-       chan_trace_header("CHANNEL RELEASE (suspend)");
+       chan_trace_header(p_m_mISDNport, this, "CHANNEL RELEASE (suspend)", DIRECTION_NONE);
        add_trace("disconnect", "channel", "%d", p_m_b_channel);
        end_trace();
-       free_bchannel();
+       drop_bchannel();
 
        /* sending suspend to endpoint */
        while (p_epointlist)
@@ -1758,7 +1606,7 @@ void Pdss1::suspend_ind(unsigned long prim, unsigned long dinfo, void *data)
        /* sending SUSPEND_ACKNOWLEDGE */
        dmsg = create_l3msg(CC_SUSPEND_ACKNOWLEDGE | REQUEST, MT_SUSPEND_ACKNOWLEDGE, dinfo, sizeof(SUSPEND_ACKNOWLEDGE_t), p_m_d_ntmode);
        suspend_acknowledge = (SUSPEND_ACKNOWLEDGE_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_SUSPEND_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_SUSPEND_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
        end_trace();
        msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
 
@@ -1790,7 +1638,7 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
                        PERROR("fatal software error: l3-stack gives us a process id 0xff00-0xffff\n");
                        exit(-1);
                }
-               l1l2l3_trace_header(CC_NEW_CR | INDICATION, DIRECTION_IN);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_NEW_CR | INDICATION, DIRECTION_IN);
                if (p_m_d_l3id)
                        add_trace("callref", "old", "0x%x", p_m_d_l3id);
                add_trace("callref", "new", "0x%x", dinfo);
@@ -1798,19 +1646,16 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
                if (p_m_d_l3id&(~0xff) == 0xff00)
                        p_m_mISDNport->procids[p_m_d_l3id&0xff] = 0;
                p_m_d_l3id = dinfo;
-               p_m_d_ces = setup->ces;
+               p_m_d_ces = resume->ces;
        }
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_call_id(resume->CALL_ID, (Q931_info_t *)((unsigned long)data+headerlen), callid, &len);
        end_trace();
 
        /* if blocked, release call */
        if (p_m_mISDNport->ifport->block)
        {
-               RELEASE_COMPLETE_t *release_complete;
-
-               printlog("---  port#%d is blocked.\n", mISDNport->ifport->portnum);
                ret = -27;
                goto reject;
        }
@@ -1818,18 +1663,24 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
        /* call id */
        if (len<0) len = 0;
 
-       /* channel_id */
+       /* channel_id (no channel is possible in message) */
        exclusive = 0;
        channel = -1; /* any channel */
 
        /* hunt channel */
-       ret = hunt_bchannel(channel, exclusive);
+       ret = channel = hunt_bchannel(channel, exclusive);
+       if (ret < 0)
+               goto no_channel;
+
+       /* open channel */
+       ret = seize_bchannel(channel, 1);
        if (ret < 0)
        {
+               no_channel:
                reject:
                dmsg = create_l3msg(CC_RESUME_REJECT | REQUEST, MT_RESUME_REJECT, dinfo, sizeof(RESUME_REJECT_t), p_m_d_ntmode);
                resume_reject = (RESUME_REJECT_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RESUME_REJECT | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RESUME_REJECT | REQUEST, DIRECTION_OUT);
                enc_ie_cause(&resume_reject->CAUSE, dmsg, (p_m_d_ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, -ret);
                if (ret == -27)
                        add_trace("reason", NULL, "port blocked");
@@ -1839,6 +1690,7 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
                p_m_delete = 1;
                return;
        }
+       bchannel_event(p_m_mISDNport, p_m_b_index, B_EVENT_ACTIVATE);
 
        /* create endpoint */
        if (p_epointlist)
@@ -1884,7 +1736,7 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
        /* sending RESUME_ACKNOWLEDGE */
        dmsg = create_l3msg(CC_RESUME_ACKNOWLEDGE | REQUEST, MT_RESUME_ACKNOWLEDGE, dinfo, sizeof(RESUME_ACKNOWLEDGE_t), p_m_d_ntmode);
        resume_acknowledge = (RESUME_ACKNOWLEDGE_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_RESUME_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_RESUME_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
        enc_ie_channel_id(&resume_acknowledge->CHANNEL_ID, dmsg, 1, p_m_b_channel);
        end_trace();
        msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -1902,7 +1754,7 @@ void Pdss1::facility_ind(unsigned long prim, unsigned long dinfo, void *data)
        int facil_len;
        struct message *message;
 
-       l1l2l3_trace_header(prim, DIRECTION_IN);
+       l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
        dec_ie_facility(facility->FACILITY, (Q931_info_t *)((unsigned long)data+headerlen), facil, &facil_len);
        end_trace();
 
@@ -1923,14 +1775,13 @@ void Pdss1::facility_ind(unsigned long prim, unsigned long dinfo, void *data)
  */
 void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
 {
-       int i;
        int new_l3id;
        int timer_hex=0;
 
        switch (prim)
        {
                case CC_TIMEOUT | INDICATION:
-               l1l2l3_trace_header(prim, DIRECTION_IN);
+               l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
                if (p_m_d_ntmode)
                {
                        int headerlen = (p_m_d_ntmode)?mISDNUSER_HEAD_SIZE:mISDN_HEADER_LEN;
@@ -1952,7 +1803,7 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
                case CC_SETUP | CONFIRM:
                if (p_m_d_ntmode)
                {
-                       l1l2l3_trace_header(CC_NEW_CR | INDICATION, DIRECTION_IN);
+                       l1l2l3_trace_header(p_m_mISDNport, this, CC_NEW_CR | INDICATION, DIRECTION_IN);
                        add_trace("callref", "old", "0x%x", p_m_d_l3id);
                        /* nt-library now gives us a new id via CC_SETUP_CONFIRM */
                        if ((p_m_d_l3id&0xff00) != 0xff00)
@@ -1961,7 +1812,6 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
                        add_trace("callref", "new", "0x%x", p_m_d_l3id);
                        end_trace();
                }
-               end_trace;
                break;
 
                case CC_INFORMATION | INDICATION:
@@ -2071,7 +1921,7 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
                break;
 
                case CC_RELEASE_CR | INDICATION:
-               l1l2l3_trace_header(CC_RELEASE_CR | INDICATION, DIRECTION_IN);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_CR | INDICATION, DIRECTION_IN);
                add_trace("callref", NULL, "0x%x", p_m_d_l3id);
                end_trace();
                if (p_m_d_ntmode)
@@ -2100,7 +1950,7 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
                break;
 
                case CC_NEW_CR | INDICATION:
-               l1l2l3_trace_header(prim, DIRECTION_IN);
+               l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
                if (p_m_d_l3id)
                        add_trace("callref", "old", "0x%x", p_m_d_l3id);
                if (p_m_d_ntmode)
@@ -2118,7 +1968,7 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
                break;
 
                default:
-               l1l2l3_trace_header(prim, DIRECTION_IN);
+               l1l2l3_trace_header(p_m_mISDNport, this, prim, DIRECTION_IN);
                add_trace("unhandled", "prim", "0x%x", prim);
                end_trace();
        }
@@ -2209,8 +2059,8 @@ void Pdss1::message_information(unsigned long epoint_id, int message_id, union p
        if (param->information.number[0]) /* only if we have something to dial */
        {
                dmsg = create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION, p_m_d_l3id, sizeof(INFORMATION_t), p_m_d_ntmode);
-               l1l2l3_trace_header(CC_INFORMATION | REQUEST, DIRECTION_OUT);
                information = (INFORMATION_t *)(dmsg->data + headerlen);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_INFORMATION | REQUEST, DIRECTION_OUT);
                enc_ie_called_pn(&information->CALLED_PN, dmsg, 0, 1, (unsigned char *)param->information.number);
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -2237,6 +2087,8 @@ void Pdss1::message_setup(unsigned long epoint_id, int message_id, union paramet
        /* release if port is blocked */
        if (p_m_mISDNport->ifport->block)
        {
+               struct message *message;
+
                message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_RELEASE);
                message->param.disconnectinfo.cause = 27; // temp. unavail.
                message->param.disconnectinfo.location = LOCATION_PRIVATE_LOCAL;
@@ -2264,7 +2116,7 @@ void Pdss1::message_setup(unsigned long epoint_id, int message_id, union paramet
                        /* sending information */
                        dmsg = create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION, p_m_d_l3id, sizeof(INFORMATION_t), p_m_d_ntmode);
                        information = (INFORMATION_t *)(dmsg->data + headerlen);
-                       l1l2l3_trace_header(CC_INFORMATION | REQUEST, DIRECTION_OUT);
+                       l1l2l3_trace_header(p_m_mISDNport, this, CC_INFORMATION | REQUEST, DIRECTION_OUT);
                        if (p_m_d_ntmode)
                                enc_ie_display(&information->DISPLAY, dmsg, (unsigned char *)p_callerinfo.display);
                        end_trace();
@@ -2303,7 +2155,7 @@ void Pdss1::message_setup(unsigned long epoint_id, int message_id, union paramet
                channel = CHANNEL_NO;
 
        /* creating l3id */
-       l1l2l3_trace_header(CC_NEW_CR | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_NEW_CR | REQUEST, DIRECTION_OUT);
        if (p_m_d_ntmode)
        {
                i = 0;
@@ -2351,8 +2203,8 @@ void Pdss1::message_setup(unsigned long epoint_id, int message_id, union paramet
 
        /* preparing setup message */
        dmsg = create_l3msg(CC_SETUP | REQUEST, MT_SETUP, p_m_d_l3id, sizeof(SETUP_t), p_m_d_ntmode);
-       l1l2l3_trace_header(CC_SETUP | REQUEST, DIRECTION_OUT);
        setup = (SETUP_t *)(dmsg->data + headerlen);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_SETUP | REQUEST, DIRECTION_OUT);
        /* channel information */
        if (channel >= 0) /* it should */
        {
@@ -2539,7 +2391,7 @@ void Pdss1::message_facility(unsigned long epoint_id, int message_id, union para
        /* sending facility */
        dmsg = create_l3msg(CC_FACILITY | REQUEST, MT_FACILITY, p_m_d_l3id, sizeof(FACILITY_t), p_m_d_ntmode);
        facility = (FACILITY_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_FACILITY | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_FACILITY | REQUEST, DIRECTION_OUT);
        enc_ie_facility(&facility->FACILITY, dmsg, (unsigned char *)param->facilityinfo.data, param->facilityinfo.len);
        end_trace();
        msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -2621,7 +2473,7 @@ void Pdss1::message_notify(unsigned long epoint_id, int message_id, union parame
                        /* sending notification */
                        dmsg = create_l3msg(CC_NOTIFY | REQUEST, MT_NOTIFY, p_m_d_l3id, sizeof(NOTIFY_t), p_m_d_ntmode);
                        notification = (NOTIFY_t *)(dmsg->data + headerlen);
-                       l1l2l3_trace_header(CC_NOTIFY | REQUEST, DIRECTION_OUT);
+                       l1l2l3_trace_header(p_m_mISDNport, this, CC_NOTIFY | REQUEST, DIRECTION_OUT);
                        enc_ie_notify(&notification->NOTIFY, dmsg, notify);
                        /* sending redirection number only in ntmode */
                        if (type >= 0 && p_m_d_ntmode)
@@ -2636,7 +2488,7 @@ void Pdss1::message_notify(unsigned long epoint_id, int message_id, union parame
                /* sending information */
                dmsg = create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION, p_m_d_l3id, sizeof(INFORMATION_t), p_m_d_ntmode);
                information = (INFORMATION_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_INFORMATION | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_INFORMATION | REQUEST, DIRECTION_OUT);
                enc_ie_display(&information->DISPLAY, dmsg, (unsigned char *)param->notifyinfo.display);
                end_trace();
                msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
@@ -2653,7 +2505,7 @@ void Pdss1::message_overlap(unsigned long epoint_id, int message_id, union param
        /* sending setup_acknowledge */
        dmsg = create_l3msg(CC_SETUP_ACKNOWLEDGE | REQUEST, MT_SETUP_ACKNOWLEDGE, p_m_d_l3id, sizeof(SETUP_ACKNOWLEDGE_t), p_m_d_ntmode);
        setup_acknowledge = (SETUP_ACKNOWLEDGE_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_SETUP_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_SETUP_ACKNOWLEDGE | REQUEST, DIRECTION_OUT);
        /* channel information */
        if (p_state == PORT_STATE_IN_SETUP)
                enc_ie_channel_id(&setup_acknowledge->CHANNEL_ID, dmsg, 1, p_m_b_channel);
@@ -2679,7 +2531,7 @@ void Pdss1::message_proceeding(unsigned long epoint_id, int message_id, union pa
        /* sending proceeding */
        dmsg = create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING, p_m_d_l3id, sizeof(CALL_PROCEEDING_t), p_m_d_ntmode);
        proceeding = (CALL_PROCEEDING_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_PROCEEDING | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_PROCEEDING | REQUEST, DIRECTION_OUT);
        /* channel information */
        if (p_state == PORT_STATE_IN_SETUP)
                enc_ie_channel_id(&proceeding->CHANNEL_ID, dmsg, 1, p_m_b_channel);
@@ -2710,7 +2562,7 @@ void Pdss1::message_alerting(unsigned long epoint_id, int message_id, union para
                /* sending proceeding */
                dmsg = create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING, p_m_d_l3id, sizeof(CALL_PROCEEDING_t), p_m_d_ntmode);
                proceeding = (CALL_PROCEEDING_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_PROCEEDING | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_PROCEEDING | REQUEST, DIRECTION_OUT);
                /* channel information */
                enc_ie_channel_id(&proceeding->CHANNEL_ID, dmsg, 1, p_m_b_channel);
                /* progress information */
@@ -2726,7 +2578,7 @@ void Pdss1::message_alerting(unsigned long epoint_id, int message_id, union para
        /* sending alerting */
        dmsg = create_l3msg(CC_ALERTING | REQUEST, MT_ALERTING, p_m_d_l3id, sizeof(ALERTING_t), p_m_d_ntmode);
        alerting = (ALERTING_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_ALERTING | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_ALERTING | REQUEST, DIRECTION_OUT);
        /* channel information */
        if (p_state == PORT_STATE_IN_SETUP)
                enc_ie_channel_id(&alerting->CHANNEL_ID, dmsg, 1, p_m_b_channel);
@@ -2760,7 +2612,7 @@ void Pdss1::message_connect(unsigned long epoint_id, int message_id, union param
                /* sending proceeding */
                dmsg = create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING, p_m_d_l3id, sizeof(CALL_PROCEEDING_t), p_m_d_ntmode);
                proceeding = (CALL_PROCEEDING_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_PROCEEDING | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_PROCEEDING | REQUEST, DIRECTION_OUT);
                /* channel information */
                enc_ie_channel_id(&proceeding->CHANNEL_ID, dmsg, 1, p_m_b_channel);
 //             /* progress information */
@@ -2783,7 +2635,7 @@ void Pdss1::message_connect(unsigned long epoint_id, int message_id, union param
                /* sending information */
                dmsg = create_l3msg(CC_INFORMATION | REQUEST, MT_INFORMATION, p_m_d_l3id, sizeof(INFORMATION_t), p_m_d_ntmode);
                information = (INFORMATION_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_INFORMATION | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_INFORMATION | REQUEST, DIRECTION_OUT);
                if (p_m_d_ntmode)
                        enc_ie_display(&information->DISPLAY, dmsg, (unsigned char *)p_connectinfo.display);
                end_trace();
@@ -2800,7 +2652,7 @@ void Pdss1::message_connect(unsigned long epoint_id, int message_id, union param
        /* preparing connect message */
        dmsg = create_l3msg(CC_CONNECT | REQUEST, MT_CONNECT, p_m_d_l3id, sizeof(CONNECT_t), p_m_d_ntmode);
        connect = (CONNECT_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_CONNECT | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_CONNECT | REQUEST, DIRECTION_OUT);
        /* connect information */
        plan = 1;
        switch (p_connectinfo.ntype)
@@ -2899,7 +2751,7 @@ void Pdss1::message_disconnect(unsigned long epoint_id, int message_id, union pa
                /* sending release */
                dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, p_m_d_l3id, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
                release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                /* send cause */
                enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode && param->disconnectinfo.location==LOCATION_PRIVATE_LOCAL)?LOCATION_PRIVATE_LOCAL:param->disconnectinfo.location, param->disconnectinfo.cause);
                end_trace();
@@ -2917,7 +2769,7 @@ void Pdss1::message_disconnect(unsigned long epoint_id, int message_id, union pa
                /* sending proceeding */
                dmsg = create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING, p_m_d_l3id, sizeof(CALL_PROCEEDING_t), p_m_d_ntmode);
                proceeding = (CALL_PROCEEDING_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_PROCEEDING | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_PROCEEDING | REQUEST, DIRECTION_OUT);
                /* channel information */
                enc_ie_channel_id(&proceeding->CHANNEL_ID, dmsg, 1, p_m_b_channel);
                /* progress information */
@@ -2933,7 +2785,7 @@ void Pdss1::message_disconnect(unsigned long epoint_id, int message_id, union pa
        /* sending disconnect */
        dmsg = create_l3msg(CC_DISCONNECT | REQUEST, MT_DISCONNECT, p_m_d_l3id, sizeof(DISCONNECT_t), p_m_d_ntmode);
        disconnect = (DISCONNECT_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_DISCONNECT | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_DISCONNECT | REQUEST, DIRECTION_OUT);
        /* progress information */
        if (p_capainfo.bearer_capa==INFO_BC_SPEECH
         || p_capainfo.bearer_capa==INFO_BC_AUDIO
@@ -2970,7 +2822,7 @@ void Pdss1::message_release(unsigned long epoint_id, int message_id, union param
                /* sending release */
                dmsg = create_l3msg(CC_RELEASE | REQUEST, MT_RELEASE, p_m_d_l3id, sizeof(RELEASE_t), p_m_d_ntmode);
                release = (RELEASE_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RELEASE | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE | REQUEST, DIRECTION_OUT);
                /* send cause */
                enc_ie_cause(&release->CAUSE, dmsg, (p_m_d_ntmode && param->disconnectinfo.location==LOCATION_PRIVATE_LOCAL)?LOCATION_PRIVATE_LOCAL:param->disconnectinfo.location, param->disconnectinfo.cause);
                end_trace();
@@ -2979,7 +2831,7 @@ void Pdss1::message_release(unsigned long epoint_id, int message_id, union param
                /* remove epoint */
                remove_endpoint:
                free_epointid(epoint_id);
-               l1l2l3_trace_header(CC_RELEASE_CR | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE_CR | REQUEST, DIRECTION_OUT);
                add_trace("callref", "new", "0x%x", p_m_d_l3id);
                end_trace();
                if (p_m_d_ntmode)
@@ -3000,7 +2852,7 @@ void Pdss1::message_release(unsigned long epoint_id, int message_id, union param
                /* sending release */
                dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, p_m_d_l3id, sizeof(RELEASE_COMPLETE_t), p_m_d_ntmode);
                release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_RELEASE | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_RELEASE | REQUEST, DIRECTION_OUT);
                /* send cause */
                enc_ie_cause(&release_complete->CAUSE, dmsg, (p_m_d_ntmode && param->disconnectinfo.location==LOCATION_PRIVATE_LOCAL)?LOCATION_PRIVATE_LOCAL:param->disconnectinfo.location, param->disconnectinfo.cause);
                end_trace();
@@ -3017,7 +2869,7 @@ void Pdss1::message_release(unsigned long epoint_id, int message_id, union param
                /* sending proceeding */
                dmsg = create_l3msg(CC_PROCEEDING | REQUEST, MT_CALL_PROCEEDING, p_m_d_l3id, sizeof(CALL_PROCEEDING_t), p_m_d_ntmode);
                proceeding = (CALL_PROCEEDING_t *)(dmsg->data + headerlen);
-               l1l2l3_trace_header(CC_PROCEEDING | REQUEST, DIRECTION_OUT);
+               l1l2l3_trace_header(p_m_mISDNport, this, CC_PROCEEDING | REQUEST, DIRECTION_OUT);
                /* channel information */
                enc_ie_channel_id(&proceeding->CHANNEL_ID, dmsg, 1, p_m_b_channel);
                /* progress information */
@@ -3032,7 +2884,7 @@ void Pdss1::message_release(unsigned long epoint_id, int message_id, union param
        /* sending disconnect */
        dmsg = create_l3msg(CC_DISCONNECT | REQUEST, MT_DISCONNECT, p_m_d_l3id, sizeof(DISCONNECT_t), p_m_d_ntmode);
        disconnect = (DISCONNECT_t *)(dmsg->data + headerlen);
-       l1l2l3_trace_header(CC_DISCONNECT | REQUEST, DIRECTION_OUT);
+       l1l2l3_trace_header(p_m_mISDNport, this, CC_DISCONNECT | REQUEST, DIRECTION_OUT);
        /* progress information */
        if (p_capainfo.bearer_capa==INFO_BC_SPEECH
         || p_capainfo.bearer_capa==INFO_BC_AUDIO
@@ -3135,7 +2987,7 @@ int Pdss1::message_epoint(unsigned long epoint_id, int message_id, union paramet
                        act.dinfo = 0;
                        act.len = 0;
                        mISDN_write(mISDNdevice, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
-                       l1l2l3_trace_header(act.prim, DIRECTION_OUT);
+                       l1l2l3_trace_header(p_m_mISDNport, this, act.prim, DIRECTION_OUT);
                        end_trace();
 //                     /* set timeout */
 //                     p_m_mISDNport->l1timeout = now+3;
@@ -3300,7 +3152,7 @@ int stack2manager_nt(void *dat, void *arg)
                case DL_ESTABLISH | INDICATION:
                case DL_ESTABLISH | CONFIRM:
                ss_estab:
-               l1l2l3_trace_header(prim, DIRECTION_IN);
+               l1l2l3_trace_header(mISDNport, NULL, hh->prim, DIRECTION_IN);
                add_trace("tei", NULL, "%d", hh->dinfo);
                end_trace();
                if (mISDNport->ptp && hh->dinfo == 0)
@@ -3319,7 +3171,7 @@ int stack2manager_nt(void *dat, void *arg)
                case DL_RELEASE | INDICATION:
                case DL_RELEASE | CONFIRM:
                ss_rel:
-               l1l2l3_trace_header(prim, DIRECTION_IN);
+               l1l2l3_trace_header(mISDNport, NULL, hh->prim, DIRECTION_IN);
                add_trace("tei", NULL, "%d", hh->dinfo);
                end_trace();
                if (mISDNport->ptp && hh->dinfo == 0)
@@ -3341,7 +3193,9 @@ int stack2manager_nt(void *dat, void *arg)
                        PERROR("FATAL ERROR: cannot create port object.\n");
                        dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, hh->dinfo, sizeof(RELEASE_COMPLETE_t), mISDNport->ntmode);
                        release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + mISDN_HEADER_LEN);
+                       l1l2l3_trace_header(mISDNport, NULL, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                        enc_ie_cause_standalone(mISDNport->ntmode?&release_complete->CAUSE:NULL, dmsg, (mISDNport->ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, 47);
+                       end_trace();
                        msg_queue_tail(&mISDNport->downqueue, dmsg);
                        break;
                }
@@ -3351,7 +3205,7 @@ int stack2manager_nt(void *dat, void *arg)
                case CC_RESUME | INDICATION:
                /* creating port object */
                SPRINT(name, "%s-%d-in", mISDNport->ifport->interface->name, mISDNport->portnum);
-               if (!(pdss1 = new Pdss1(PORT_TYPE_DSS1_NT_IN, mISDNport, name, NULL)))
+               if (!(pdss1 = new Pdss1(PORT_TYPE_DSS1_NT_IN, mISDNport, name, NULL, 0, 0)))
                {
                        SUSPEND_REJECT_t *suspend_reject;
                        msg_t *dmsg;
@@ -3359,7 +3213,9 @@ int stack2manager_nt(void *dat, void *arg)
                        PERROR("FATAL ERROR: cannot create port object.\n");
                        dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST, MT_SUSPEND_REJECT, hh->dinfo, sizeof(SUSPEND_REJECT_t), mISDNport->ntmode);
                        suspend_reject = (SUSPEND_REJECT_t *)(dmsg->data + mISDN_HEADER_LEN);
+                       l1l2l3_trace_header(mISDNport, NULL, CC_SUSPEND_REJECT | REQUEST, DIRECTION_OUT);
                        enc_ie_cause_standalone(mISDNport->ntmode?&suspend_reject->CAUSE:NULL, dmsg, (mISDNport->ntmode)?1:0, 47);
+                       end_trace();
                        msg_queue_tail(&mISDNport->downqueue, dmsg);
                        break;
                }
@@ -3426,7 +3282,7 @@ int stack2manager_te(struct mISDNport *mISDNport, msg_t *msg)
 
                /* creating port object */
                SPRINT(name, "%s-%d-in", mISDNport->ifport->interface->name, mISDNport->portnum);
-               if (!(pdss1 = new Pdss1(PORT_TYPE_DSS1_TE_IN, mISDNport, name, NULL)))
+               if (!(pdss1 = new Pdss1(PORT_TYPE_DSS1_NT_IN, mISDNport, name, NULL, 0, 0)))
                {
                        RELEASE_COMPLETE_t *release_complete;
                        msg_t *dmsg;
@@ -3434,7 +3290,9 @@ int stack2manager_te(struct mISDNport *mISDNport, msg_t *msg)
                        PERROR("FATAL ERROR: cannot create port object.\n");
                        dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, frm->dinfo, sizeof(RELEASE_COMPLETE_t), mISDNport->ntmode);
                        release_complete = (RELEASE_COMPLETE_t *)(dmsg->data + mISDN_HEADER_LEN);
+                       l1l2l3_trace_header(mISDNport, NULL, CC_RELEASE_COMPLETE | REQUEST, DIRECTION_OUT);
                        enc_ie_cause_standalone(mISDNport->ntmode?&release_complete->CAUSE:NULL, dmsg, (mISDNport->ntmode)?LOCATION_PRIVATE_LOCAL:LOCATION_PRIVATE_REMOTE, 47);
+                       end_trace();
                        msg_queue_tail(&mISDNport->downqueue, dmsg);
                        free_msg(msg);
                        return(0);