From: Super User <root@isdn.jolly.ten>
Date: Wed, 30 May 2007 04:14:41 +0000 (+0200)
Subject: backup
X-Git-Url: http://git.eversberg.eu/gitweb.cgi?p=lcr.git;a=commitdiff_plain;h=9deb150f2ba289736e81f69bb7cf24e5b236ee96

backup
---

diff --git a/COPYING b/COPYING
index 048315d..fae4f56 100644
--- a/COPYING
+++ b/COPYING
@@ -1,4 +1,4 @@
-Copyright  Andreas Eversberg (jolly@jolly.de)
+Copyright  Andreas Eversberg (jolly@eversberg.eu)
 
 This program is free software; you can redistribute it and/or
 modify it under the terms of the GNU General Public License
diff --git a/Makefile b/Makefile
index 8da735e..bf0d7c2 100644
--- a/Makefile
+++ b/Makefile
@@ -5,7 +5,7 @@
 #*---------------------------------------------------------------------------**
 #* Copyright: Andreas Eversberg                                              **
 #*                                                                           **
-#* Makefile                                                                   **
+#* Makefile                                                                  **
 #*                                                                           **
 #*****************************************************************************/ 
 
diff --git a/README b/README
index 7210cee..ca36835 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
 
-Read the documentation at ./doc/ and visit http://isdn.jolly.de.
+Read the documentation at ./doc/ and visit http://www.linux-call-router.de
 
 
 Changes in Version 20021228 
diff --git a/admin.h b/admin.h
index ed20eaa..f86036f 100644
--- a/admin.h
+++ b/admin.h
@@ -120,12 +120,26 @@ struct admin_call {
 	int		exthlc;
 };
 
-struct admin_message {
-	int		type; /* type of message */
-	unsigned long	ref; /* reference to individual endpoints */
-	union parameter	param; /* parameter union */
+struct admin_trace_req {
+	int		detail;
+	char		category[4];
+	char		name[64];
+	int		port;
+	char		interface[64];
+	char		caller[34];
+	char		dialing[64];
 };
 
+struct admin_trace_rsp {
+	char		text[512];
+};
+
+//struct admin_msg {
+//	int		type; /* type of message */
+//	unsigned long	ref; /* reference to individual endpoints */
+//	union parameter	param; /* parameter union */
+//};
+
 struct admin_message {
 	int message; /* type of admin message */
 	union u {
@@ -136,8 +150,9 @@ struct admin_message {
 		struct admin_response_epoint	e;
 		struct admin_response_call	c;
 		struct admin_call		call;
-		struct admin_message		message;
-		struct admin_trace		trace;
+//		struct admin_msg		msg;
+		struct admin_trace_req		trace_req;
+		struct admin_trace_rsp		trace_rsp;
 	} u;
 };
 
diff --git a/admin_client.c b/admin_client.c
index 17f1f1f..7e0e603 100644
--- a/admin_client.c
+++ b/admin_client.c
@@ -1208,6 +1208,7 @@ next:
 char *admin_trace(int sock, int argc, char *argv[])
 {
 	static struct admin_message msg;
+	int i;
 
 	/* show help */
 	if (!strcasecmp(argv[2], "help"))
@@ -1227,111 +1228,55 @@ char *admin_trace(int sock, int argc, char *argv[])
 		printf("  0x10 = EP: endpoint trace\n");
 		printf("  0x20 = AP: application trace\n");
 		printf("  0x40 = RO: routing trace\n");
+		printf(" port=<mISDN port>  select only given port for trace\n");
+		printf(" interface=<interface name>  select only given interface for trace\n");
+		printf(" caller=<caller id>  select only given caller id for trace\n");
+		printf(" dialing=<number>  select only given dialed number for trace\n");
+		return(NULL);
 	}
-	
-	
-
 
-	tbd
-	/* send reload command */
+	/* init trace request */	
 	memset(&msg, 0, sizeof(msg));
-	msg.message = ADMIN_CALL_SETUP;
-	if (argc > 2)
-	{
-		SCPY(msg.u.call.interface, argv[2]);
-	}
-	if (argc > 3)
-	{
-		SCPY(msg.u.call.callerid, argv[3]);
-	}
-	if (argc > 4)
-	{
-		SCPY(msg.u.call.dialing, argv[4]);
-	}
-	if (argc > 5)
+	msg.message = ADMIN_TRACE_REQUEST;
+	msg.u.trace_req.detail = 3;
+
+	/* parse args */
+	i = 2;
+	while(i < argc)
 	{
-		if (argv[5][0] == 'p')
-			msg.u.call.present = 1;
-	}
-	msg.u.call.bc_capa = 0x00; /*INFO_BC_SPEECH*/
-	msg.u.call.bc_mode = 0x00; /*INFO_BMODE_CIRCUIT*/
-	msg.u.call.bc_info1 = 0;
-	msg.u.call.hlc = 0;
-	msg.u.call.exthlc = 0;
-	if (argc > 6)
-		msg.u.call.bc_capa = strtol(argv[6],NULL,0);
-	else
-		msg.u.call.bc_info1 = 3 | 0x80; /* alaw, if no capability is given at all */
-	if (argc > 7) {
-		msg.u.call.bc_mode = strtol(argv[7],NULL,0);
-		if (msg.u.call.bc_mode) msg.u.call.bc_mode = 2;
-	}
-	if (argc > 8) {
-		msg.u.call.bc_info1 = strtol(argv[8],NULL,0);
-		if (msg.u.call.bc_info1 < 0)
-			msg.u.call.bc_info1 = 0;
-		else
-			msg.u.call.bc_info1 |= 0x80;
-	}
-	if (argc > 9) {
-		msg.u.call.hlc = strtol(argv[9],NULL,0);
-		if (msg.u.call.hlc < 0)
-			msg.u.call.hlc = 0;
-		else
-			msg.u.call.hlc |= 0x80;
-	}
-//		printf("hlc=%d\n",  msg.u.call.hlc);
-	if (argc > 10) {
-		msg.u.call.exthlc = strtol(argv[10],NULL,0);
-		if (msg.u.call.exthlc < 0)
-			msg.u.call.exthlc = 0;
-		else
-			msg.u.call.exthlc |= 0x80;
+		if (!strcasecmp(argv[i], "brief"))
+			msg.u.trace_req.detail = 1;
+		else if (!strcasecmp(argv[i], "short"))
+			msg.u.trace_req.detail = 2;
+		else if (!strncasecmp(argv[i], "category=", 9))
+			SCPY(msg.u.trace_req.category, argv[i]+9);
+		else if (!strncasecmp(argv[i], "port=", 5))
+			msg.u.trace_req.port = atoi(argv[i]+5);
+		else if (!strncasecmp(argv[i], "interface=", 10))
+			SCPY(msg.u.trace_req.interface, argv[i]+10);
+		else if (!strncasecmp(argv[i], "caller=", 7))
+			SCPY(msg.u.trace_req.caller, argv[i]+7);
+		else if (!strncasecmp(argv[i], "dialing=", 8))
+			SCPY(msg.u.trace_req.dialing, argv[i]+8);
+		else return("Invalid trace option, try 'trace help'.");
+
+		i++;
 	}
 
+	/* send trace request */
 	if (write(sock, &msg, sizeof(msg)) != sizeof(msg))
-		return("Broken pipe while sending command.");
+		return("Broken pipe while sending trace request.");
 
 	/* receive response */
 next:
 	if (read(sock, &msg, sizeof(msg)) != sizeof(msg))
 		return("Broken pipe while receiving response.");
-	switch(msg.message)
-	{
-		case ADMIN_CALL_SETUP_ACK:
-		printf("SETUP ACKNOWLEDGE\n"); fflush(stdout);
-		goto next;
-
-		case ADMIN_CALL_PROCEEDING:
-		printf("PROCEEDING\n"); fflush(stdout);
-		goto next;
-
-		case ADMIN_CALL_ALERTING:
-		printf("ALERTING\n"); fflush(stdout);
-		goto next;
 
-		case ADMIN_CALL_CONNECT:
-		printf("CONNECT\n number=%s\n", msg.u.call.callerid); fflush(stdout);
-		goto next;
-
-		case ADMIN_CALL_NOTIFY:
-		printf("NOTIFY\n notify=%d\n number=%s\n", msg.u.call.notify, msg.u.call.callerid); fflush(stdout);
-		goto next;
-
-		case ADMIN_CALL_DISCONNECT:
-		printf("DISCONNECT\n cause=%d %s\n location=%d %s\n", msg.u.call.cause, (msg.u.call.cause>0 && msg.u.call.cause<128)?isdn_cause[msg.u.call.cause].german:"", msg.u.call.location, (msg.u.call.location>=0 && msg.u.call.location<128)?isdn_location[msg.u.call.location].german:""); fflush(stdout);
-		goto next;
-
-		case ADMIN_CALL_RELEASE:
-		printf("RELEASE\n cause=%d %s\n location=%d %s\n", msg.u.call.cause, (msg.u.call.cause>0 && msg.u.call.cause<128)?isdn_cause[msg.u.call.cause].german:"", msg.u.call.location, (msg.u.call.location>=0 && msg.u.call.location<128)?isdn_location[msg.u.call.location].german:""); fflush(stdout);
-		break;
-
-		default:
+	if (msg.message != ADMIN_TRACE_RESPONSE)
 		return("Response not valid.");
-	}
-	
-	printf("Command successfull.\n");
-	return(NULL);
+
+	printf("%s", msg.u.trace_rsp.text);
+	goto next;
 }
 
 
@@ -1399,8 +1344,6 @@ int main(int argc, char *argv[])
 	} else
 	if (!(strcasecmp(argv[1],"trace")))
 	{
-		if (argc <= 2)
-			goto usage;
 		mode = MODE_TRACE;
 	} else
 	{
diff --git a/apppbx.cpp b/apppbx.cpp
index 880129d..15fa438 100644
--- a/apppbx.cpp
+++ b/apppbx.cpp
@@ -135,13 +135,56 @@ EndpointAppPBX::~EndpointAppPBX(void)
 }
 
 
+/*
+ * trace header for application
+ */
+void EndpointAppPBX::trace_header(char *name, int direction)
+{
+	char msgtext[sizeof(trace.name)];
+
+	SCPY(msgtext, name);
+
+	/* add direction */
+	if (direction)
+	{
+		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(0,
+		    NULL,
+		    nationalize(e_callerinfo.id, e_callerinfo.ntype),
+		    e_dialinginfo.number,
+		    direction,
+		    CATEGORY_AP,
+		    msgtext);
+}
+
+
 EPOINT_STATE_NAMES
 
 /* set new endpoint state
  */
 void EndpointAppPBX::new_state(int state)
 {
-	PDEBUG(DEBUG_EPOINT, "EPOINT(%d) new state %s --> %s\n", ea_endpoint->ep_serial, state_name[e_state], state_name[state]);
+	if (e_state != state)
+	{
+		trace_header("NEW STATE", DIRECTION_NONE);
+		add_trace("state", "old", "%s", state_name[e_state]);
+		add_trace("state", "new", "%s", state_name[state]);
+	}
 	e_state = state;
 }
 
diff --git a/dss1.cpp b/dss1.cpp
index 0821cb7..c1feb73 100644
--- a/dss1.cpp
+++ b/dss1.cpp
@@ -45,7 +45,6 @@ Pdss1::Pdss1(int type, mISDNport *mISDNport, char *portname, struct port_setting
 	p_m_d_collect_cause = CAUSE_NOUSER;
 	p_m_d_collect_location = LOCATION_PRIVATE_LOCAL;
 
-
 	PDEBUG(DEBUG_ISDN, "Created new mISDNPort(%s). Currently %d objects use, %s port #%d\n", portname, mISDNport->use, (mISDNport->ntmode)?"NT":"TE", p_m_portnum);
 }
 
@@ -326,14 +325,12 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
 		}
 
 		/* if channel was not accepted, try to get it */
-		PDEBUG(DEBUG_BCHANNEL, "- our suggested channel %d was not accepted, but %d was given.\n", p_m_b_channel, channel);
 		ret = seize_bchannel(channel, 1); // exclusively
 		add_trace("channel", "available", ret<0?"no":"yes");
 		if (ret < 0)
 		{
 			add_trace("conclusion", NULL, "replied channel not available");
 			end_trace();
-			PDEBUG(DEBUG_BCHANNEL, "- the replied channel %d is not available (cause %d).\n", channel, -ret);
 			goto channelerror;
 		}
 		add_trace("conclusion", NULL, "replied channel accepted");
@@ -444,7 +441,6 @@ int Pdss1::received_first_reply_to_setup(unsigned long prim, int channel, int ex
 		}
 
 		/* we will see, if our received channel is available */
-		PDEBUG(DEBUG_BCHANNEL, "- our during call-waiting, we get channel %d as first reply.\n", channel);
 		use_from_connect:
 		ret = seize_bchannel(channel, exclusive);
 		add_trace("channel", "available", ret<0?"no":"yes");
@@ -910,7 +906,6 @@ void Pdss1::setup_ind(unsigned long prim, unsigned long dinfo, void *data)
 		exit(-1);
 	}
 	/* send setup message to endpoit */
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) setup: %s->%s\n", p_name, p_callerinfo.id, p_dialinginfo.number);
 	message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_SETUP);
 	message->param.setup.isdn_port = p_m_portnum;
 	message->param.setup.port_type = p_type;
@@ -1258,7 +1253,6 @@ void Pdss1::connect_ind(unsigned long prim, unsigned long dinfo, void *data)
 	end_trace();
 	msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
 
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) connect (to '%s' COLP: '%s')\n", p_name, p_dialinginfo.number, p_connectinfo.id);
 	message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_CONNECT);
 	memcpy(&message->param.connectinfo, &p_connectinfo, sizeof(struct connect_info));
 	message_put(message);
@@ -1289,11 +1283,11 @@ void Pdss1::disconnect_ind(unsigned long prim, unsigned long dinfo, void *data)
 		RELEASE_t *release;
 		msg_t *dmsg;
 
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) send release because remote disconnects AND provides no patterns (earlyb).\n", p_name);
 		dmsg = create_l3msg(CC_RELEASE | REQUEST, MT_RELEASE, dinfo, sizeof(RELEASE_t), p_m_d_ntmode);
 		release = (RELEASE_t *)(dmsg->data + headerlen);
 		l3_trace_header(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();
 		msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
 
@@ -1451,7 +1445,6 @@ void Pdss1::release_complete_ind(unsigned long prim, unsigned long dinfo, void *
 		free_epointlist(p_epointlist);
 	}
 
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) release_complete (cause %d)\n", p_name, cause);
 	new_state(PORT_STATE_RELEASE);
 	p_m_delete = 1;
 }
@@ -1474,7 +1467,6 @@ void Pdss1::t312_timeout(unsigned long prim, unsigned long dinfo, void *data)
 		free_epointlist(p_epointlist);
 	}
 
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) t312_timeout (collected cause %d location %d)\n", p_name, p_m_d_collect_cause, p_m_d_collect_location);
 	new_state(PORT_STATE_RELEASE);
 	p_m_delete = 1;
 }
@@ -1493,10 +1485,7 @@ void Pdss1::notify_ind(unsigned long prim, unsigned long dinfo, void *data)
 	end_trace();
 
 	if (!ACTIVE_EPOINT(p_epointlist))
-	{
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) there is no active endpoint to notify to.\n", p_name);
 		return;
-	}
 	/* notification indicator */
 	if (notify < 0)
 		return;
@@ -1556,13 +1545,11 @@ void Pdss1::hold_ind(unsigned long prim, unsigned long dinfo, void *data)
 
 	if (!ACTIVE_EPOINT(p_epointlist) || p_m_hold)
 	{
-
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) there is no endpoint to notify hold OR we are already on hold, so we reject.\n", p_name);
-
 		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);
 		l3_trace_header(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();
 		msg_queue_tail(&p_m_mISDNport->downqueue, dmsg);
 
@@ -1628,7 +1615,6 @@ void Pdss1::retrieve_ind(unsigned long prim, unsigned long dinfo, void *data)
 	{
 		cause = 101; /* incompatible state */
 		reject:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) we are not on hold, so we reject (cazse %d).\n", p_name, cause);
 
 		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);
@@ -1765,7 +1751,6 @@ void Pdss1::suspend_ind(unsigned long prim, unsigned long dinfo, void *data)
 			if (epoint->ep_park_len == len)
 			if (!memcmp(epoint->ep_park_callid, callid, len))
 			{
-				PDEBUG(DEBUG_ISDN, "Pdss1(%s) call id is in use, so we reject.\n", p_name);
 				ret = -84; /* call id in use */
 				goto reject;
 			}
@@ -1907,10 +1892,7 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
 		epoint = epoint->next;
 	}
 	if (!epoint)
-	{
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) no suspended call, so we reject with cause %d.\n", p_name, ret);
 		goto reject;
-	}
 
 	if (!(epointlist_new(epoint->ep_serial)))
 	{
@@ -1922,7 +1904,6 @@ void Pdss1::resume_ind(unsigned long prim, unsigned long dinfo, void *data)
 		PERROR("no memory for portlist\n");
 		exit(-1);
 	}
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) resume\n", p_name);
 	message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_RESUME);
 	message_put(message);
 
@@ -1961,7 +1942,6 @@ void Pdss1::facility_ind(unsigned long prim, unsigned long dinfo, void *data)
 	if (facil_len<=0)
 		return;
 
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) facility\n", p_name);
 	message = message_create(p_serial, ACTIVE_EPOINT(p_epointlist), PORT_TO_EPOINT, MESSAGE_FACILITY);
 	message->param.facilityinfo.len = facil_len;
 	memcpy(message->param.facilityinfo.data, facil, facil_len);
@@ -1996,12 +1976,8 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
 		break;
 
 		case CC_SETUP | INDICATION:
-		PDEBUG((DEBUG_BCHANNEL|DEBUG_ISDN), "Pdss1(%s) setup\n", p_name);
 		if (p_state != PORT_STATE_IDLE)
-		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) received setup again, IGNORING.\n", p_name);
 			break;
-		}
 		setup_ind(prim, dinfo, data);
 		break;
 
@@ -2018,61 +1994,55 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
 			end_trace();
 		}
 		end_trace;
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) setup confirm (l3id=0x%x)\n", p_name, p_m_d_l3id);
 		break;
 
 		case CC_INFORMATION | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) information\n", p_name);
 		information_ind(prim, dinfo, data);
 		break;
 
 		case CC_SETUP_ACKNOWLEDGE | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) setup acknowledge\n", p_name);
 		if (p_state != PORT_STATE_OUT_SETUP)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) received setup_acknowledge, but we are not in outgoing setup state, IGNORING.\n", p_name);
+			PERROR("Pdss1(%s) received setup_acknowledge, but we are not in outgoing setup state, IGNORING.\n", p_name);
 			break;
 		}
 		setup_acknowledge_ind(prim, dinfo, data);
 		break;
 
 		case CC_PROCEEDING | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) proceeding\n", p_name);
 		if (p_state != PORT_STATE_OUT_SETUP
 		 && p_state != PORT_STATE_OUT_OVERLAP)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) received proceeding, but we are not in outgoing setup OR overlap state, IGNORING.\n", p_name);
+			PERROR("Pdss1(%s) received proceeding, but we are not in outgoing setup OR overlap state, IGNORING.\n", p_name);
 			break;
 		}
 		proceeding_ind(prim, dinfo, data);
 		break;
 
 		case CC_ALERTING | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) alerting\n", p_name);
 		if (p_state != PORT_STATE_OUT_SETUP
 		 && p_state != PORT_STATE_OUT_OVERLAP
 		 && p_state != PORT_STATE_OUT_PROCEEDING)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) received alerting, but we are not in outgoing setup OR overlap OR proceeding state, IGNORING.\n", p_name);
+			PERROR("Pdss1(%s) received alerting, but we are not in outgoing setup OR overlap OR proceeding state, IGNORING.\n", p_name);
 			break;
 		}
 		alerting_ind(prim, dinfo, data);
 		break;
 
 		case CC_CONNECT | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) connect\n", p_name);
 		if (p_state != PORT_STATE_OUT_SETUP
 		 && p_state != PORT_STATE_OUT_OVERLAP
 		 && p_state != PORT_STATE_OUT_PROCEEDING
 		 && p_state != PORT_STATE_OUT_ALERTING)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) received alerting, but we are not in outgoing setup OR overlap OR proceeding OR ALERTING state, IGNORING.\n", p_name);
+			PERROR("Pdss1(%s) received alerting, but we are not in outgoing setup OR overlap OR proceeding OR ALERTING state, IGNORING.\n", p_name);
 			break;
 		}
 		connect_ind(prim, dinfo, data);
 		if (p_m_d_notify_pending)
 		{
-			PDEBUG(DEBUG_ISDN, "received or connect, so we send pending notify message.\n");
+			/* send pending notify message during connect */
 			message_notify(ACTIVE_EPOINT(p_epointlist), p_m_d_notify_pending->type, &p_m_d_notify_pending->param);
 			message_free(p_m_d_notify_pending);
 			p_m_d_notify_pending = NULL;
@@ -2081,12 +2051,11 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
 
 		case CC_CONNECT_ACKNOWLEDGE | INDICATION:
 		case CC_CONNECT | CONFIRM:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) connect_acknowlege.\n", p_name);
 		if (p_state == PORT_STATE_CONNECT_WAITING)
 			new_state(PORT_STATE_CONNECT);
 		if (p_m_d_notify_pending)
 		{
-			PDEBUG(DEBUG_ISDN, "received or connect-ack, so we send pending notify message.\n");
+			/* send pending notify message during connect-ack */
 			message_notify(ACTIVE_EPOINT(p_epointlist), p_m_d_notify_pending->type, &p_m_d_notify_pending->param);
 			message_free(p_m_d_notify_pending);
 			p_m_d_notify_pending = NULL;
@@ -2094,53 +2063,42 @@ void Pdss1::message_isdn(unsigned long prim, unsigned long dinfo, void *data)
 		break;
 
 		case CC_DISCONNECT | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) disconnect\n", p_name);
 		disconnect_ind(prim, dinfo, data);
 		break;
 
 		case CC_RELEASE | CONFIRM:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) release confirm\n", p_name);
 		case CC_RELEASE | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) release\n", p_name);
 		release_ind(prim, dinfo, data);
 		break;
 
 		case CC_RELEASE_COMPLETE | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) release_complete.\n", p_name);
 		release_complete_ind(prim, dinfo, data);
 		break;
 
 		case CC_RELEASE_COMPLETE | CONFIRM:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) release_complete (confirm).\n", p_name);
 		break;
 
 		case CC_NOTIFY | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) notify\n", p_name);
 		notify_ind(prim, dinfo, data);
 		break;
 
 		case CC_HOLD | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) hold\n", p_name);
 		hold_ind(prim, dinfo, data);
 		break;
 
 		case CC_RETRIEVE | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) retrieve\n", p_name);
 		retrieve_ind(prim, dinfo, data);
 		break;
 
 		case CC_SUSPEND | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) suspend\n", p_name);
 		suspend_ind(prim, dinfo, data);
 		break;
 
 		case CC_RESUME | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) resume\n", p_name);
 		resume_ind(prim, dinfo, data);
 		break;
 
 		case CC_FACILITY | INDICATION:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) facility\n", p_name);
 		facility_ind(prim, dinfo, data);
 		break;
 
@@ -2262,7 +2220,6 @@ int Pdss1::handler(void)
 	/* handle destruction */
 	if (p_m_delete && p_m_d_l3id==0)
 	{
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) doing pending release.\n", p_name);
 		delete this;
 		return(-1);
 	}
@@ -2611,8 +2568,6 @@ void Pdss1::message_facility(unsigned long epoint_id, int message_id, union para
 	if (!p_m_d_ntmode)
 		return;
 
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) sending facility message\n", p_name);
-
 	/* 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);
@@ -2632,7 +2587,6 @@ void Pdss1::message_notify(unsigned long epoint_id, int message_id, union parame
 	int plan, type = -1, present;
 	msg_t *dmsg;
 
-	PDEBUG(DEBUG_ISDN, "Pdss1(%s) sending information message\n", p_name);
 	if (param->notifyinfo.notify>INFO_NOTIFY_NONE)
 		notify = param->notifyinfo.notify & 0x7f;
 	else
@@ -2681,7 +2635,7 @@ void Pdss1::message_notify(unsigned long epoint_id, int message_id, union parame
 
 	if (notify<0 && !param->notifyinfo.display[0])
 	{
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) nothing to notify, nothing to display\n", p_name);
+		/* nothing to notify, nothing to display */
 		return;
 	}
 
@@ -2690,7 +2644,6 @@ void Pdss1::message_notify(unsigned long epoint_id, int message_id, union parame
 		if (p_state!=PORT_STATE_CONNECT)
 		{
 			/* queue notification */
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) queueing notification because isdn port is not active state.\n", p_name);
 			if (p_m_d_notify_pending)
 				message_free(p_m_d_notify_pending);
 			p_m_d_notify_pending = message_create(ACTIVE_EPOINT(p_epointlist), p_serial, EPOINT_TO_PORT, message_id);
@@ -2872,7 +2825,7 @@ void Pdss1::message_connect(unsigned long epoint_id, int message_id, union param
 
 	if (p_state!=PORT_STATE_IN_SETUP && p_state!=PORT_STATE_IN_OVERLAP && p_state!=PORT_STATE_IN_PROCEEDING && p_state!=PORT_STATE_IN_ALERTING)
 	{
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) connect command only possible in setup, proceeding or alerting state.\n", p_name);
+		/* connect command only possible in setup, proceeding or alerting state */
 		return;
 	}
 
@@ -3147,14 +3100,12 @@ int Pdss1::message_epoint(unsigned long epoint_id, int message_id, union paramet
 	switch(message_id)
 	{
 		case MESSAGE_INFORMATION: /* overlap dialing */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) received dialing info '%s'.\n", p_name, param->information.number);
 		if (p_type==PORT_TYPE_DSS1_NT_OUT
 		 && p_state!=PORT_STATE_OUT_OVERLAP
 		 && p_state!=PORT_STATE_CONNECT
 		 && p_state!=PORT_STATE_OUT_DISCONNECT
 		 && p_state!=PORT_STATE_IN_DISCONNECT)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) (internal outgoing) ignoring information, invalid state.\n", p_name);
 			break;
 		}
 		if (p_type==PORT_TYPE_DSS1_TE_OUT
@@ -3165,8 +3116,6 @@ int Pdss1::message_epoint(unsigned long epoint_id, int message_id, union paramet
 		 && p_state!=PORT_STATE_OUT_DISCONNECT
 		 && p_state!=PORT_STATE_IN_DISCONNECT)
 		{
-			if (options.deb & DEBUG_ISDN)
-				PERROR("Pdss1(%s) (external outgoing) ignoring information, invalid state.\n", p_name);
 			break;
 		}
 		if ((p_type==PORT_TYPE_DSS1_NT_IN || p_type==PORT_TYPE_DSS1_TE_IN)
@@ -3178,14 +3127,12 @@ int Pdss1::message_epoint(unsigned long epoint_id, int message_id, union paramet
 		 && p_state!=PORT_STATE_OUT_DISCONNECT
 		 && p_state!=PORT_STATE_IN_DISCONNECT)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) (incoming) ignoring information, invalid state.\n", p_name);
 			break;
 		}
 		message_information(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_SETUP: /* dial-out command received from epoint */
-		PDEBUG((DEBUG_ISDN | DEBUG_BCHANNEL), "Pdss1(%s) isdn port received setup from '%s' to '%s'\n", p_name, param->setup.callerinfo.id, param->setup.dialinginfo.number);
 		if (p_state!=PORT_STATE_IDLE
 		 && p_state!=PORT_STATE_CONNECT)
 		{
@@ -3226,64 +3173,53 @@ int Pdss1::message_epoint(unsigned long epoint_id, int message_id, union paramet
 		break;
 
 		case MESSAGE_NOTIFY: /* display and notifications */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received notification: display='%s' notify=%d phone=%s\n", p_name, p_callerinfo.id, param->notifyinfo.display, param->notifyinfo.notify, param->notifyinfo.id);
 		message_notify(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_FACILITY: /* facility message */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received facility.\n", p_name, p_callerinfo.id);
 		message_facility(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_OVERLAP: /* more information is needed */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received setup acknowledge\n", p_name, p_callerinfo.id);
 		if (p_state!=PORT_STATE_IN_SETUP)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) ignoring setup acknowledge because isdn port is not incoming setup state.\n", p_name);
 			break;
 		}
 		message_overlap(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_PROCEEDING: /* call of endpoint is proceeding */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received proceeding\n", p_name, p_callerinfo.id);
 		if (p_state!=PORT_STATE_IN_SETUP
 		 && p_state!=PORT_STATE_IN_OVERLAP)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) ignoring: proceeding command not possible in current state.\n", p_name);
 			break;
 		}
 		message_proceeding(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_ALERTING: /* call of endpoint is ringing */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received alerting\n", p_name, p_callerinfo.id);
 		if (p_state!=PORT_STATE_IN_SETUP
 		 && p_state!=PORT_STATE_IN_OVERLAP
 		 && p_state!=PORT_STATE_IN_PROCEEDING)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) ignoring: alerting command not possible in current state.\n", p_name);
 			break;
 		}
 		message_alerting(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_CONNECT: /* call of endpoint is connected */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received connect\n", p_name, p_callerinfo.id);
 		if (p_state!=PORT_STATE_IN_SETUP
 		 && p_state!=PORT_STATE_IN_OVERLAP
 		 && p_state!=PORT_STATE_IN_PROCEEDING
 		 && p_state!=PORT_STATE_IN_ALERTING
 		 && !(p_state==PORT_STATE_CONNECT && p_m_d_ntmode))
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) ignoring: connect command not possible in current state.\n", p_name);
 			break;
 		}
 		message_connect(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_DISCONNECT: /* call has been disconnected */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received disconnect cause=%d\n", p_name, p_callerinfo.id, param->disconnectinfo.cause);
 		if (p_state!=PORT_STATE_IN_SETUP
 		 && p_state!=PORT_STATE_IN_OVERLAP
 		 && p_state!=PORT_STATE_IN_PROCEEDING
@@ -3295,24 +3231,21 @@ int Pdss1::message_epoint(unsigned long epoint_id, int message_id, union paramet
 		 && p_state!=PORT_STATE_CONNECT
 		 && p_state!=PORT_STATE_CONNECT_WAITING)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) ignoring: disconnect command not possible in current state.\n", p_name);
 			break;
 		}
 		message_disconnect(epoint_id, message_id, param);
 		break;
 
 		case MESSAGE_RELEASE: /* release isdn port */
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received release cause=%d\n", p_name, p_callerinfo.id, param->disconnectinfo.cause);
 		if (p_state==PORT_STATE_RELEASE)
 		{
-			PDEBUG(DEBUG_ISDN, "Pdss1(%s) ignoring: release command not possible in RELEASE state.\n", p_name);
 			break;
 		}
 		message_release(epoint_id, message_id, param);
 		break;
 
 		default:
-		PDEBUG(DEBUG_ISDN, "Pdss1(%s) isdn port with (caller id %s) received a wrong message: %d\n", p_name, p_callerinfo.id, message);
+		PERROR("Pdss1(%s) isdn port with (caller id %s) received a wrong message: %d\n", p_name, p_callerinfo.id, message);
 	}
 
 	return(1);
@@ -3460,14 +3393,14 @@ int stack2manager_nt(void *dat, void *arg)
 		break;
 
 		case CC_RELEASE_CR | INDICATION:
-		PDEBUG(DEBUG_ISDN, "%s: unhandled message from stack: call ref released (l3id=0x%x)\n", __FUNCTION__, hh->dinfo);
+		PERROR("unhandled message from stack: call ref released (l3id=0x%x)\n", hh->dinfo);
 		break;
 
 		case CC_DISCONNECT | INDICATION:
 
 		// fall throug
 		default:
-		PDEBUG(DEBUG_ISDN, "%s: unhandled message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", __FUNCTION__, hh->prim, hh->dinfo, msg->len);
+		PERROR("unhandled message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", hh->prim, hh->dinfo, msg->len);
 		return(-EINVAL);
 	}
 	free_msg(msg);
@@ -3494,7 +3427,6 @@ int stack2manager_te(struct mISDNport *mISDNport, msg_t *msg)
 		if (port->p_type == PORT_TYPE_DSS1_TE_IN || port->p_type == PORT_TYPE_DSS1_TE_OUT)
 		{
 			pdss1 = (class Pdss1 *)port;
-//PDEBUG(DEBUG_ISDN, "comparing dinfo = 0x%x with l3id 0x%x\n", frm->dinfo, pdss1->p_m_d_l3id);
 			/* check out correct stack */
 			if (pdss1->p_m_mISDNport == mISDNport)
 			/* check out correct id */
@@ -3541,11 +3473,11 @@ int stack2manager_te(struct mISDNport *mISDNport, msg_t *msg)
 
 	if (frm->prim == (CC_RELEASE_CR | INDICATION))
 	{
-		PDEBUG(DEBUG_ISDN, "unhandled message from stack: call ref released (l3id=0x%x)\n", frm->dinfo);
+		PERROR("unhandled message from stack: call ref released (l3id=0x%x)\n", frm->dinfo);
 		free_msg(msg);
 		return(0);
 	}
-	PDEBUG(DEBUG_ISDN, "unhandled message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", frm->prim, frm->dinfo, msg->len);
+	PERROR("unhandled message: prim(0x%x) dinfo(0x%x) msg->len(%d)\n", frm->prim, frm->dinfo, msg->len);
 	return(-EINVAL);
 }
 
diff --git a/mISDN.cpp b/mISDN.cpp
index f2e4490..61eff9f 100644
--- a/mISDN.cpp
+++ b/mISDN.cpp
@@ -193,7 +193,7 @@ static void bchannel_activate(struct mISDNport *mISDNport, int i)
 	/* if we are active, we configure our channel */
 	if (mISDNport->b_state[i] == B_STATE_ACTIVE)
 	{
-		unsigned char buffer[mISDN_HEADER_LEN+ISDN_PRELOAD];
+		unsigned char buffer[mISDN_HEADER_LEN+(ISDN_PRELOAD<<3)];
 		iframe_t *pre = (iframe_t *)buffer; /* preload data */
 		unsigned char *p = (unsigned char *)&pre->data.p;
 
@@ -527,7 +527,7 @@ int PmISDN::handler(void)
 			elapsed = 1000 * (now_tv.sec - p_last_tv_sec)
 				+ (now_tv.usec/1000) - p_last_tv_msec;
 			/* gap was greater preload, so only fill up to preload level */
-			if (elapsed > ISDN_PRELOAD)
+			if (elapsed > (ISDN_PRELOAD<<3))
 			{
 				elapsed = ISDN_PRELOAD << 3
 			}
@@ -1610,20 +1610,6 @@ struct mISDNport *mISDN_port_open(int port, int ptp, int ptmp)
 		PDEBUG(DEBUG_ISDN, "NT-mode BRI S/T interface port\n");
 		nt = 1;
 		break;
-		case ISDN_PID_L0_TE_U:
-		PDEBUG(DEBUG_ISDN, "TE-mode BRI U   interface line\n");
-		break;
-		case ISDN_PID_L0_NT_U:
-		PDEBUG(DEBUG_ISDN, "NT-mode BRI U   interface port\n");
-		nt = 1;
-		break;
-		case ISDN_PID_L0_TE_UP2:
-		PDEBUG(DEBUG_ISDN, "TE-mode BRI Up2 interface line\n");
-		break;
-		case ISDN_PID_L0_NT_UP2:
-		PDEBUG(DEBUG_ISDN, "NT-mode BRI Up2 interface port\n");
-		nt = 1;
-		break;
 		case ISDN_PID_L0_TE_E1:
 		PDEBUG(DEBUG_ISDN, "TE-mode PRI E1  interface line\n");
 		pri = 1;
@@ -2099,20 +2085,6 @@ void mISDN_port_info(void)
 				printf(" HFC multiport card");
 #endif
 			break;
-			case ISDN_PID_L0_TE_U:
-			printf("TE-mode BRI U   interface line");
-			break;
-			case ISDN_PID_L0_NT_U:
-			nt = 1;
-			printf("NT-mode BRI U   interface port");
-			break;
-			case ISDN_PID_L0_TE_UP2:
-			printf("TE-mode BRI Up2 interface line");
-			break;
-			case ISDN_PID_L0_NT_UP2:
-			nt = 1;
-			printf("NT-mode BRI Up2 interface port");
-			break;
 			case ISDN_PID_L0_TE_E1:
 			pri = 1;
 			printf("TE-mode PRI E1  interface line (for phone lines)");
diff --git a/main.c b/main.c
index a769d21..19d2c8d 100644
--- a/main.c
+++ b/main.c
@@ -264,13 +264,6 @@ int main(int argc, char *argv[])
 		goto free;
 	}
 
-	/* check if we have a jitter limit that makes sense */
-	if (ISDN_JITTERLIMIT < 256)
-	{
-		fprintf(stderr, "The ISDN_JITTERLIMIT must be at least 256 samples.\n");
-		goto free;
-	}
-
 	/* init crc */
 	crc_init();
 
diff --git a/main.h b/main.h
index 37eb727..3398cdf 100644
--- a/main.h
+++ b/main.h
@@ -113,7 +113,7 @@ void _printerror(const char *function, int line, const char *fmt, ...);
 extern "C" {
 #endif
 #include <isdn_net.h>
-#include <net_l3.h>
+#include <../i4lnet/net_l3.h>
 #ifdef __cplusplus
 }
 #endif
diff --git a/options.c b/options.c
index a69dd61..e788183 100644
--- a/options.c
+++ b/options.c
@@ -35,7 +35,7 @@ struct options options = {
 	"",				/* dummy caller id */
 	0,				/* use tones by dsp.o */
 	0,				/* by default use priority 0 */
-	"pbx@jolly.de"			/* source mail adress */
+	"lcr@your.machine"		/* source mail adress */
 };
 
 /* read options
diff --git a/todo.txt b/todo.txt
index d2e5912..7f3651c 100644
--- a/todo.txt
+++ b/todo.txt
@@ -1,5 +1,3 @@
-define and change dsp conference ids
-
 make asterisk call implementation
 
 new interface.conf (add remove ports by admin)
diff --git a/trace.c b/trace.c
index f2698c1..bb63ec2 100644
--- a/trace.c
+++ b/trace.c
@@ -11,8 +11,7 @@
 
 #include "main.h"
 
-struct trace trace[MAX_NESTED_TRACES];
-int trace_current = -1;
+struct trace trace;
 char trace_string[MX_TRACE_ELEMENTS * 100 + 400];
 
 static char *spaces[11] = {
@@ -35,27 +34,23 @@ static char *spaces[11] = {
  */
 void start_trace(int port, char *interface, char *caller, char *dialing, int direction, char *category, char *name);
 {
-	if (++trace_current == MAX_NESTED_TRACES)
-	{
-		PERROR("maximum nesting level of traces exceeding: %d, exitting!\n", MAX_NESTED_TRACES);
-		PERROR("last trace=%s\n", trace[MAX_NESTED_TRACE-1].name);
-		exit(-1);
-	}
-	memset(trace[trace_current], 0, sizeof(struct trace));
-	trace[trace_current].port = port;
+	if (trace.name[0])
+		PERROR("trace already started (name=%s)\n", trace.name);
+	memset(trace, 0, sizeof(struct trace));
+	trace.port = port;
 	if (interface) if (interface[0])
-		SCPY(trace[trace_current].interface, interface);
+		SCPY(trace.interface, interface);
 	if (caller) if (caller[0])
-		SCPY(trace[trace_current].caller, caller);
+		SCPY(trace.caller, caller);
 	if (dialing) if (dialing[0])
-		SCPY(trace[trace_current].dialing, dialing);
-	trace[trace_current].direction = direction;
+		SCPY(trace.dialing, dialing);
+	trace.direction = direction;
 	if (category) if (category[0])
-		SCPY(trace[trace_current].category, category);
+		SCPY(trace.category, category);
 	if (name) if (name[0])
-		SCPY(trace[trace_current].name, name);
-	trace[trace_current].sec = now_tv.tv_sec;
-	trace[trace_current].usec = now_tv.tv_usec;
+		SCPY(trace.name, name);
+	trace.sec = now_tv.tv_sec;
+	trace.usec = now_tv.tv_usec;
 }
 
 
@@ -68,19 +63,8 @@ void add_trace(char *name, char *sub, const char *fmt, ...);
 {
 	va_list args;
 
-	/* check nesting */
-	if (trace_current < 0)
-	{
-		PERROR("add_trace called without start_trace, exitting.\n");
-		exit(0);
-	}
-	
-	/* check for space */
-	if (trace[trace_current].elements == MAX_TRACE_ELEMENTS)
-	{
-		PERROR("trace with name=%s exceeds the maximum number of elements (%d)\n", trace.name, MAX_TRACE_ELEMENTS);
-		return;
-	}
+	if (!trace.name[0])
+		PERROR("trace not started\n");
 	
 	/* check for required name value */
 	if (!name)
@@ -93,18 +77,18 @@ void add_trace(char *name, char *sub, const char *fmt, ...);
 	}
 	
 	/* write name, sub and value */
-	SCPY(trace[trace_current].element[trace[trace_current].elements].name, name);
+	SCPY(trace.element[trace.elements].name, name);
 	if (sub) if (sub[0])
-		SCPY(trace[trace_current].element[trace[trace_current].elements].sub, sub);
+		SCPY(trace.element[trace.elements].sub, sub);
 	if (fmt) if (fmt[0])
 	{
 		va_start(args, fmt);
-		VUNPRINT(trace[trace_current].element[trace[trace_current].element].value, sizeof(trace[trace_current].element[trace[trace_current].elements].value)-1, fmt, args);
+		VUNPRINT(trace.element[trace.element].value, sizeof(trace.element[trace.elements].value)-1, fmt, args);
 		va_end(args);
 	}
 
 	/* increment elements */
-	trace[trace_current].elements++;
+	trace.elements++;
 }
 
 
@@ -114,12 +98,8 @@ void add_trace(char *name, char *sub, const char *fmt, ...);
  */
 void end_trace(void);
 {
-	/* check nesting */
-	if (trace_current < 0)
-	{
-		PERROR("end_trace called without start_trace, exitting.\n");
-		exit(0);
-	}
+	if (!trace.name[0])
+		PERROR("trace not started\n");
 	
 	/* process log file */
 	if (options.log[0])
@@ -128,8 +108,7 @@ void end_trace(void);
 		fwrite(string, strlen(string), 1, fp);
 	}
 
-	/* reduce nesting level */
-	trace_current--;
+	memset(trace, 0, sizeof(struct trace));
 }
 
 
@@ -137,7 +116,7 @@ void end_trace(void);
  * prints trace to socket or log
  * detail: 1 = brief, 2=short, 3=long
  */
-static char *print_trace(int detail, int port, char *interface, char *caller, char *dialing, int direction, char *category);
+static char *print_trace(int detail, int port, char *interface, char *caller, char *dialing, char *category);
 {
 	trace_string[0] = '\0';
 	char buffer[256];
@@ -155,8 +134,6 @@ static char *print_trace(int detail, int port, char *interface, char *caller, ch
 		if (!!strcasecmp(caller, trace.caller)) return;
 	if (dialing && dialing[0] && trace.dialing[0])
 		if (!!strcasecmp(dialing, trace.dialing)) return;
-	if (direction && trace.direction)
-		if (direction != trace.direction) return;
 	if (category && category[0] && trace.category[0])
 		if (!!strcasecmp(category, trace.category)) return;
 
@@ -237,9 +214,14 @@ static char *print_trace(int detail, int port, char *interface, char *caller, ch
 				buffer[0] = '\0';
 			SCAT(trace_string, buffer);
 			if (trace.element[i].sub[0])
-				SPRINT(buffer, " %s=%s", trace.element[i].sub, value);
+				SPRINT(buffer, " %s=", trace.element[i].sub, value);
 			else
-				SPRINT(buffer, " %s", value);
+				SPRINT(buffer, " ", value);
+			SCAT(trace_string, buffer);
+			if (strchr(value, ' '))
+				SPRINT(buffer, "'%s'", value);
+			else
+				SPRINT(buffer, "%s", value);
 			SCAT(trace_string, buffer);
 			i++;
 		}
@@ -257,9 +239,14 @@ static char *print_trace(int detail, int port, char *interface, char *caller, ch
 				SPRINT(buffer, "           ");
 			SCAT(trace_string, buffer);
 			if (trace.element[i].sub[0])
-				SPRINT(buffer, " : %s%s = %s\n", trace.element[i].sub, spaces[strlen(trace.element[i].sub)], value);
+				SPRINT(buffer, " : %s%s = ", trace.element[i].sub, spaces[strlen(trace.element[i].sub)], value);
+			else
+				SPRINT(buffer, " :              ", value);
+			SCAT(trace_string, buffer);
+			if (strchr(value, ' '))
+				SPRINT(buffer, "'%s'\n", value);
 			else
-				SPRINT(buffer, " :              %s\n", value);
+				SPRINT(buffer, "%s\n", value);
 			SCAT(trace_string, buffer);
 			i++;
 		}
diff --git a/trace.h b/trace.h
index 073fc9a..427eb97 100644
--- a/trace.h
+++ b/trace.h
@@ -15,8 +15,6 @@ struct trace_element {
 	char value[64];
 };
 
-#define MAX_NESTED_TRACES	1
-
 #define MAX_TRACE_ELEMENTS	32
 struct trace {
 	/* header */
@@ -28,7 +26,7 @@ struct trace {
 	unsigned long sec, usec;
 	
 	/* type */
-	char category[32];
+	char category[4];
 	char name[64];
 
 	/* elements */