diff --git a/coreapi/callbacks.c b/coreapi/callbacks.c
index 4c931cc33..da674aac6 100644
--- a/coreapi/callbacks.c
+++ b/coreapi/callbacks.c
@@ -391,7 +391,10 @@ static void call_accepted(SalOp *op){
 					}
 				}
 			}
-			linphone_core_update_streams (lc,call,md);
+			linphone_core_update_streams(lc,call,md);
+			/*also reflect the change if the "wished" params, in order to avoid to propose SAVP or video again
+			* further in the call, for example during pause,resume, conferencing reINVITEs*/
+			linphone_call_fix_call_parameters(call);
 			if (!call->current_params.in_conference)
 				lc->current_call=call;
 			linphone_call_set_state(call, LinphoneCallStreamsRunning, "Streams running");
@@ -440,8 +443,9 @@ static void call_accept_update(LinphoneCore *lc, LinphoneCall *call){
 	linphone_call_update_remote_session_id_and_ver(call);
 	sal_call_accept(call->op);
 	md=sal_call_get_final_media_description(call->op);
-	if (md && !sal_media_description_empty(md))
+	if (md && !sal_media_description_empty(md)){
 		linphone_core_update_streams(lc,call,md);
+	}
 }
 
 static void call_resumed(LinphoneCore *lc, LinphoneCall *call){
diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 59ad78c19..908157e48 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -1909,9 +1909,6 @@ void linphone_call_start_media_streams(LinphoneCall *call, bool_t all_inputs_mut
 			LinphoneMediaEncryptionSRTP : LinphoneMediaEncryptionNone;
 	}
 
-	/*also reflect the change if the "wished" params, in order to avoid to propose SAVP or video again
-	 * further in the call, for example during pause,resume, conferencing reINVITEs*/
-	linphone_call_fix_call_parameters(call);
 	if ((call->ice_session != NULL) && (ice_session_state(call->ice_session) != IS_Completed)) {
 		ice_session_start_connectivity_checks(call->ice_session);
 	}
diff --git a/coreapi/linphonecore.c b/coreapi/linphonecore.c
index a2f1def5c..e36410d09 100644
--- a/coreapi/linphonecore.c
+++ b/coreapi/linphonecore.c
@@ -3087,8 +3087,10 @@ int linphone_core_start_accept_call_update(LinphoneCore *lc, LinphoneCall *call)
 	sal_call_set_local_media_description(call->op,call->localdesc);
 	sal_call_accept(call->op);
 	md=sal_call_get_final_media_description(call->op);
-	if (md && !sal_media_description_empty(md))
+	if (md && !sal_media_description_empty(md)){
 		linphone_core_update_streams (lc,call,md);
+		linphone_call_fix_call_parameters(call);
+	}
 	linphone_call_set_state(call,LinphoneCallStreamsRunning,"Connected (streams running)");
 	return 0;
 }
diff --git a/coreapi/private.h b/coreapi/private.h
index e4ddd59c0..37ff460ae 100644
--- a/coreapi/private.h
+++ b/coreapi/private.h
@@ -341,7 +341,7 @@ void linphone_core_message_received(LinphoneCore *lc, SalOp *op, const SalMessag
 void linphone_core_play_tone(LinphoneCore *lc);
 
 void linphone_call_init_stats(LinphoneCallStats *stats, int type);
-
+void linphone_call_fix_call_parameters(LinphoneCall *call);
 void linphone_call_init_audio_stream(LinphoneCall *call);
 void linphone_call_init_video_stream(LinphoneCall *call);
 void linphone_call_init_media_streams(LinphoneCall *call);
diff --git a/gtk/propertybox.c b/gtk/propertybox.c
index c4dcd72ae..dd6424dac 100644
--- a/gtk/propertybox.c
+++ b/gtk/propertybox.c
@@ -1132,15 +1132,17 @@ static void port_config_free(PortConfigCtx *ctx){
 	g_free(ctx);
 }
 
-static void apply_transports(PortConfigCtx *ctx){
+static gboolean apply_transports(PortConfigCtx *ctx){
 	GtkWidget *mw=linphone_gtk_get_main_window();
 	LCSipTransports tp;
 	LinphoneCore *lc=linphone_gtk_get_core();
 	linphone_core_get_sip_transports(lc,&tp);
 	tp.udp_port=ctx->tp.udp_port;
 	tp.tcp_port=ctx->tp.tcp_port;
+	g_message("new transports: %i, %i, %i",(int)tp.udp_port,(int)tp.tcp_port,(int)tp.tls_port);
 	linphone_core_set_sip_transports(lc,&tp);
 	g_object_set_data(G_OBJECT(mw),"port_config",NULL);
+	return FALSE;
 }
 
 static void transport_changed(GtkWidget *parameters){
diff --git a/tester/call_tester.c b/tester/call_tester.c
index 58c72ad20..b166cb86e 100644
--- a/tester/call_tester.c
+++ b/tester/call_tester.c
@@ -885,6 +885,7 @@ static void simple_conference(void) {
 
 	marie_call_laure=linphone_core_get_current_call(marie->lc);
 
+	CU_ASSERT_PTR_NOT_NULL_FATAL(marie_call_laure);
 	linphone_core_add_to_conference(marie->lc,marie_call_laure);
 	CU_ASSERT_TRUE(wait_for(marie->lc,laure->lc,&marie->stat.number_of_LinphoneCallUpdating,initial_marie_stat.number_of_LinphoneCallUpdating+1));