Index: apps/app_queue.c
===================================================================
--- apps/app_queue.c	(revision 249233)
+++ apps/app_queue.c	(working copy)
@@ -998,6 +998,7 @@
 
 static void update_realtime_members(struct call_queue *q);
 static int set_member_paused(const char *queuename, const char *interface, const char *reason, int paused);
+static void rna(int rnatime, struct queue_ent *qe, char *interface, char *membername, int pause, int congestion);
 
 static void queue_transfer_fixup(void *data, struct ast_channel *old_chan, struct ast_channel *new_chan); 
 /*! \brief sets the QUEUESTATUS channel variable */
@@ -2797,6 +2798,7 @@
 	/* Request the peer */
 	tmp->chan = ast_request(tech, qe->chan->nativeformats, qe->chan, location, &status);
 	if (!tmp->chan) {			/* If we can't, just go on to the next call */
+		rna(0, qe, tmp->member->state_interface, tmp->member->membername, 0, 1);
 		if (qe->chan->cdr)
 			ast_cdr_busy(qe->chan->cdr);
 		tmp->stillgoing = 0;	
@@ -2879,6 +2881,7 @@
 	/* Place the call, but don't wait on the answer */
 	if ((res = ast_call(tmp->chan, location, 0))) {
 		/* Again, keep going even if there's an error */
+		rna(0, qe, tmp->member->state_interface, tmp->member->membername, 0, 1);
 		ast_debug(1, "ast call on peer returned %d\n", res);
 		ast_verb(3, "Couldn't call %s\n", tmp->interface);
 		ast_channel_unlock(tmp->chan);
@@ -3101,7 +3104,7 @@
 }
 
 /*! \brief RNA == Ring No Answer. Common code that is executed when we try a queue member and they don't answer. */
-static void rna(int rnatime, struct queue_ent *qe, char *interface, char *membername, int pause)
+static void rna(int rnatime, struct queue_ent *qe, char *interface, char *membername, int pause, int congestion)
 {
 	ast_verb(3, "Nobody picked up in %d ms\n", rnatime);
 
@@ -3121,6 +3124,7 @@
 						"Member: %s\r\n"
 						"MemberName: %s\r\n"
 						"Ringtime: %d\r\n"
+						"Congestion: %d\r\n"
 						"%s",
 						qe->parent->name,
 						qe->chan->uniqueid,
@@ -3128,9 +3132,10 @@
 						interface,
 						membername,
 						rnatime,
+						congestion,
 						qe->parent->eventwhencalled == QUEUE_EVENT_VARIABLES ? vars2manager(qe->chan, vars, sizeof(vars)) : "");
 	}
-	ast_queue_log(qe->parent->name, qe->chan->uniqueid, membername, "RINGNOANSWER", "%d", rnatime);
+	ast_queue_log(qe->parent->name, qe->chan->uniqueid, membername, "RINGNOANSWER", "%d|%d", rnatime, congestion);
 	if (qe->parent->autopause && pause) {
 		if (!set_member_paused(qe->parent->name, interface, "Auto-Pause", 1)) {
 			ast_verb(3, "Auto-Pausing Queue Member %s in queue %s since they failed to answer.\n", interface, qe->parent->name);
@@ -3379,7 +3384,7 @@
 							do_hang(o);
 							endtime = (long) time(NULL);
 							endtime -= starttime;
-							rna(endtime * 1000, qe, on, membername, 0);
+							rna(endtime * 1000, qe, on, membername, 0, 0);
 							if (qe->parent->strategy != QUEUE_STRATEGY_RINGALL) {
 								if (qe->parent->timeoutrestart)
 									*to = orig;
@@ -3397,7 +3402,7 @@
 								ast_cdr_busy(in->cdr);
 							endtime = (long) time(NULL);
 							endtime -= starttime;
-							rna(endtime * 1000, qe, on, membername, 0);
+							rna(endtime * 1000, qe, on, membername, 0, 1);
 							do_hang(o);
 							if (qe->parent->strategy != QUEUE_STRATEGY_RINGALL) {
 								if (qe->parent->timeoutrestart)
@@ -3453,7 +3458,7 @@
 					ast_frfree(f);
 				} else { /* ast_read() returned NULL */
 					endtime = (long) time(NULL) - starttime;
-					rna(endtime * 1000, qe, on, membername, 1);
+					rna(endtime * 1000, qe, on, membername, 1, 0);
 					do_hang(o);
 					if (qe->parent->strategy != QUEUE_STRATEGY_RINGALL) {
 						if (qe->parent->timeoutrestart)
@@ -3498,7 +3503,7 @@
 		}
 		if (!*to) {
 			for (o = start; o; o = o->call_next)
-				rna(orig, qe, o->interface, o->member->membername, 1);
+				rna(orig, qe, o->interface, o->member->membername, 1, 0);
 		}
 	}
 
Index: doc/manager_1_1.txt
===================================================================
--- doc/manager_1_1.txt	(revision 249233)
+++ doc/manager_1_1.txt	(working copy)
@@ -381,6 +381,7 @@
 		Member: SIP/1000
 		MemberName: Thaddeus McClintock
 		Ringtime: 10
+		Congestion: 0
 
 - Event: RegistryEntry
 	Modules: chan_sip
Index: doc/tex/queuelog.tex
===================================================================
--- doc/tex/queuelog.tex	(revision 249233)
+++ doc/tex/queuelog.tex	(working copy)
@@ -95,11 +95,12 @@
 
 The queueing system has been started for the first time this session.
 
-\textbf{RINGNOANSWER(ringtime)}
+\textbf{RINGNOANSWER(ringtime$|$congestion)}
 
 After trying for ringtime ms to connect to the available queue member,
 the attempt ended without the member picking up the call. Bad queue
-member!
+member! If there was an error calling the queue member congestion is
+set to 1.
 
 \textbf{SYSCOMPAT}