diff --git a/coreapi/linphonecall.c b/coreapi/linphonecall.c
index 696da6d39..2c8975066 100644
--- a/coreapi/linphonecall.c
+++ b/coreapi/linphonecall.c
@@ -4137,3 +4137,9 @@ MSWebCam *linphone_call_get_video_device(const LinphoneCall *call) {
 		return call->cam;
 }
 #endif
+
+void linphone_call_set_audio_route(LinphoneCall *call, MSAudioRoute route) {
+	if (call != NULL && call->audiostream != NULL){
+		audio_stream_set_audio_route(call->audiostream, route);
+	}
+}
diff --git a/coreapi/linphonecore.h b/coreapi/linphonecore.h
index 7f3d7f5ee..158d5cc9d 100644
--- a/coreapi/linphonecore.h
+++ b/coreapi/linphonecore.h
@@ -876,6 +876,15 @@ LINPHONE_PUBLIC	void linphone_call_enable_echo_limiter(LinphoneCall *call, bool_
 **/
 LINPHONE_PUBLIC	bool_t linphone_call_echo_limiter_enabled(const LinphoneCall *call);
 
+/**
+ * Change the playback output device (currently only used for blackberry)
+ * @param call
+ * @param route the wanted audio route (earpiece, speaker, ...)
+ * 
+ * @ingroup call_control
+**/
+LINPHONE_PUBLIC	void linphone_call_set_audio_route(LinphoneCall *call, MSAudioRoute route);
+
 /*keep this in sync with mediastreamer2/msvolume.h*/
 
 /**
diff --git a/mediastreamer2 b/mediastreamer2
index 998cdbcc7..50e226c6b 160000
--- a/mediastreamer2
+++ b/mediastreamer2
@@ -1 +1 @@
-Subproject commit 998cdbcc79e6871b3029961d1d696bc04aedfefb
+Subproject commit 50e226c6baaba262b68bbe1292397558f2d55407