diff --git a/linphone/mediastreamer2/plugins/msx264/src/msx264.c b/linphone/mediastreamer2/plugins/msx264/src/msx264.c
index b657523c5..705709a11 100644
--- a/linphone/mediastreamer2/plugins/msx264/src/msx264.c
+++ b/linphone/mediastreamer2/plugins/msx264/src/msx264.c
@@ -80,7 +80,7 @@ static void enc_preprocess(MSFilter *f){
 	ms_message("Lucky guy, you have a hacked x264 lib that allows multislicing !");
 	params.slice_size_threshold=ms_get_payload_max_size()-100; /*-100 security margin*/
 #endif
-	/*params.i_level_idc=10;*/
+	/*params.i_level_idc=30;*/
 	params.rc.i_rc_method = X264_RC_ABR;
 	params.rc.i_bitrate=(int)( ( ((float)d->bitrate)*0.8)/1000.0);
 	params.rc.f_rate_tolerance=0.1;
@@ -132,6 +132,10 @@ static void enc_process(MSFilter *f){
 			x264_nal_t *xnals=NULL;
 			int num_nals=0;
 
+			/*send I frame 2 seconds and 4 seconds after the beginning */
+			if (d->framenum==(int)d->fps*2 || d->framenum==(int)d->fps*4)
+				d->generate_keyframe=TRUE;
+
 			if (d->generate_keyframe){
 				xpic.i_type=X264_TYPE_IDR;
 				d->generate_keyframe=FALSE;