diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index a952865ab..59ad78c19 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -2282,7 +2282,8 @@ static void report_bandwidth(LinphoneCall *call, MediaStream *as, MediaStream *v
 	call->stats[LINPHONE_CALL_STATS_AUDIO].upload_bandwidth=(as!=NULL) ? (media_stream_get_up_bw(as)*1e-3) : 0;
 	call->stats[LINPHONE_CALL_STATS_VIDEO].download_bandwidth=(vs!=NULL) ? (media_stream_get_down_bw(vs)*1e-3) : 0;
 	call->stats[LINPHONE_CALL_STATS_VIDEO].upload_bandwidth=(vs!=NULL) ? (media_stream_get_up_bw(vs)*1e-3) : 0;
-	ms_message("bandwidth usage: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
+	ms_message("bandwidth usage for call [%p]: audio=[d=%.1f,u=%.1f] video=[d=%.1f,u=%.1f] kbit/sec",
+		call,
 		call->stats[LINPHONE_CALL_STATS_AUDIO].download_bandwidth,
 		call->stats[LINPHONE_CALL_STATS_AUDIO].upload_bandwidth ,
 		call->stats[LINPHONE_CALL_STATS_VIDEO].download_bandwidth,
diff --git a/mediastreamer2 b/mediastreamer2
index 9e7ea53dc..d90b00711 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 9e7ea53dca1ae7447d320b37b14dd4d58e0f67fe
+Subproject commit d90b00711f794814fe670c846ca162704df883c7
diff --git a/oRTP b/oRTP
index bb43f9fcd..fcc51caa1 160000
--- a/oRTP
+++ b/oRTP
@@ -1 +1 @@
-Subproject commit bb43f9fcd2325bdf44e9a244cc4502b7d5de71d9
+Subproject commit fcc51caa15def815189a388e878877a5354850e6
diff --git a/tester/call_tester.c b/tester/call_tester.c
index 8e5c952f7..ab8c5f8c0 100644
--- a/tester/call_tester.c
+++ b/tester/call_tester.c
@@ -103,7 +103,7 @@ static void check_rtcp(LinphoneCoreManager* caller, LinphoneCoreManager* callee)
 	c1=linphone_core_get_current_call(caller->lc);
 	c2=linphone_core_get_current_call(callee->lc);
 
-	for (i=0; i<12 /*=6s*/; i++) {
+	for (i=0; i<24 /*=12s need at least one exchange of SR to maybe 10s*/; i++) {
 		if (linphone_call_get_audio_stats(c1)->round_trip_delay >0.0
 				&& linphone_call_get_audio_stats(c2)->round_trip_delay >0.0
 				&& (!linphone_call_log_video_enabled(linphone_call_get_call_log(c1)) || linphone_call_get_video_stats(c1)->round_trip_delay>0.0)
@@ -133,7 +133,11 @@ bool_t call_with_params(LinphoneCoreManager* caller_mgr
 	stats initial_caller=caller_mgr->stat;
 	stats initial_callee=callee_mgr->stat;
 	bool_t result=FALSE;
-
+	char hellopath[256];
+	/*use playfile for callee to avoid locking on capture card*/
+	linphone_core_use_files (callee_mgr->lc,TRUE);
+	snprintf(hellopath,sizeof(hellopath), "%s/sounds/hello8000.wav", liblinphone_tester_file_prefix);
+	linphone_core_set_play_file(callee_mgr->lc,hellopath);
 	if (!caller_params){
 		CU_ASSERT_PTR_NOT_NULL(linphone_core_invite_address(caller_mgr->lc,callee_mgr->identity));
 	}else{
diff --git a/tester/images/nowebcamCIF.jpg b/tester/images/nowebcamCIF.jpg
new file mode 100644
index 000000000..2ab8bdc2a
Binary files /dev/null and b/tester/images/nowebcamCIF.jpg differ
diff --git a/tester/liblinphone_tester.c b/tester/liblinphone_tester.c
index f3e0c7280..24a4c5350 100644
--- a/tester/liblinphone_tester.c
+++ b/tester/liblinphone_tester.c
@@ -96,6 +96,7 @@ static LinphoneCore* configure_lc_from(LinphoneCoreVTable* v_table, const char*
 	char ringbackpath[256]={0};
 	char rootcapath[256]={0};
 	char dnsuserhostspath[256]={0};
+	char nowebcampath[256]={0};
 	
 	if (path==NULL) path=".";
 
@@ -113,11 +114,13 @@ static LinphoneCore* configure_lc_from(LinphoneCoreVTable* v_table, const char*
 	sprintf(dnsuserhostspath, "%s/%s", path, userhostsfile);
 	sal_set_dns_user_hosts_file(lc->sal, dnsuserhostspath);
 
-	sprintf(ringpath, "%s/%s", path, "oldphone.wav");
-	sprintf(ringbackpath, "%s/%s", path, "ringback.wav");
+	snprintf(ringpath,sizeof(ringpath), "%s/sounds/oldphone.wav",path);
+	snprintf(ringbackpath,sizeof(ringbackpath), "%s/sounds/ringback.wav", path);
 	linphone_core_set_ring(lc, ringpath);
 	linphone_core_set_ringback(lc, ringbackpath);
 
+	snprintf(nowebcampath, sizeof(nowebcampath), "%s/images/nowebcamCIF.jpg", path);
+	linphone_core_set_static_picture(lc,nowebcampath);
 	return lc;
 }
 
diff --git a/tester/sounds/hello8000.wav b/tester/sounds/hello8000.wav
new file mode 100644
index 000000000..b787b202e
Binary files /dev/null and b/tester/sounds/hello8000.wav differ
diff --git a/tester/sounds/oldphone.wav b/tester/sounds/oldphone.wav
new file mode 100644
index 000000000..e3056cc5d
Binary files /dev/null and b/tester/sounds/oldphone.wav differ
diff --git a/tester/sounds/ringback.wav b/tester/sounds/ringback.wav
new file mode 100644
index 000000000..21f4b5bfb
Binary files /dev/null and b/tester/sounds/ringback.wav differ