diff --git a/daemon/call.c b/daemon/call.c
index dfbd737e6..49606f81d 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -90,7 +90,6 @@ static struct timeval add_ongoing_calls_dur_in_interval(struct timeval *interval
 static void __call_free(void *p);
 static void __call_cleanup(struct call *c);
 static void __monologue_stop(struct call_monologue *ml);
-static void __dialogue_unkernelize(struct call_monologue *ml);
 static void media_stop(struct call_media *m);
 
 /* called with call->master_lock held in R */
@@ -2998,8 +2997,8 @@ int monologue_subscribe_answer(struct call_monologue *dst_ml, struct sdp_ng_flag
 	__update_init_subscribers(dst_ml, streams, flags);
 	__update_init_subscribers(src_ml, NULL, NULL);
 
-	__dialogue_unkernelize(src_ml);
-	__dialogue_unkernelize(dst_ml);
+	dialogue_unkernelize(src_ml);
+	dialogue_unkernelize(dst_ml);
 
 	return 0;
 }
@@ -3016,8 +3015,8 @@ int monologue_unsubscribe(struct call_monologue *dst_ml, struct sdp_ng_flags *fl
 		__update_init_subscribers(dst_ml, NULL, NULL);
 		__update_init_subscribers(src_ml, NULL, NULL);
 
-		__dialogue_unkernelize(src_ml);
-		__dialogue_unkernelize(dst_ml);
+		dialogue_unkernelize(src_ml);
+		dialogue_unkernelize(dst_ml);
 
 		l = next;
 	}
@@ -3635,7 +3634,7 @@ void __monologue_unkernelize(struct call_monologue *monologue) {
 		}
 	}
 }
-static void __dialogue_unkernelize(struct call_monologue *ml) {
+void dialogue_unkernelize(struct call_monologue *ml) {
 	__monologue_unkernelize(ml);
 
 	for (GList *sub = ml->subscriptions.head; sub; sub = sub->next) {
@@ -3925,14 +3924,14 @@ tag_setup:
 	if (!ft->tag.s || str_cmp_str(&ft->tag, fromtag))
 		__monologue_tag(ft, fromtag);
 
-	__dialogue_unkernelize(ft);
-	__dialogue_unkernelize(tt);
+	dialogue_unkernelize(ft);
+	dialogue_unkernelize(tt);
 	__subscribe_offer_answer_both_ways(ft, tt);
 	__fix_other_tags(ft);
 
 done:
 	__monologue_unkernelize(ft);
-	__dialogue_unkernelize(ft);
+	dialogue_unkernelize(ft);
 	dialogue[0] = ft;
 	dialogue[1] = tt;
 	return 0;
diff --git a/daemon/codec.c b/daemon/codec.c
index 3841ccfbb..ca1a9542d 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -2936,6 +2936,27 @@ out:
 #endif
 
 
+void codec_update_all_handlers(struct call_monologue *ml) {
+	for (GList *l = ml->subscribers.head; l; l = l->next) {
+		struct call_subscription *cs = l->data;
+		struct call_monologue *sink = cs->monologue;
+
+		// iterate both simultaneously
+		GList *source_media_it = ml->medias.head;
+		GList *sink_media_it = sink->medias.head;
+		while (source_media_it && sink_media_it) {
+			struct call_media *source_media = source_media_it->data;
+			struct call_media *sink_media = sink_media_it->data;
+			codec_handlers_update(source_media, sink_media, NULL, NULL);
+			source_media_it = source_media_it->next;
+			sink_media_it = sink_media_it->next;
+		}
+	}
+
+	dialogue_unkernelize(ml);
+}
+
+
 void codec_calc_jitter(struct ssrc_ctx *ssrc, unsigned long ts, unsigned int clockrate,
 		const struct timeval *tv)
 {
diff --git a/include/call.h b/include/call.h
index f79e7d09b..35c5592a4 100644
--- a/include/call.h
+++ b/include/call.h
@@ -633,6 +633,7 @@ void call_media_free(struct call_media **mdp);
 enum call_stream_state call_stream_state_machine(struct packet_stream *);
 void call_media_state_machine(struct call_media *m);
 void call_media_unkernelize(struct call_media *media);
+void dialogue_unkernelize(struct call_monologue *ml);
 void __monologue_unkernelize(struct call_monologue *monologue);
 
 int call_stream_address46(char *o, struct packet_stream *ps, enum stream_address_format format,
diff --git a/include/codec.h b/include/codec.h
index 36f43b4cf..244ec6403 100644
--- a/include/codec.h
+++ b/include/codec.h
@@ -25,6 +25,7 @@ struct rtcp_timer;
 struct mqtt_timer;
 struct call;
 struct codec_store;
+struct call_monologue;
 
 
 typedef int codec_handler_func(struct codec_handler *, struct media_packet *);
@@ -85,6 +86,7 @@ void codec_handlers_free(struct call_media *);
 struct codec_handler *codec_handler_make_playback(const struct rtp_payload_type *src_pt,
 		const struct rtp_payload_type *dst_pt, unsigned long ts, struct call_media *);
 void codec_calc_jitter(struct ssrc_ctx *, unsigned long ts, unsigned int clockrate, const struct timeval *);
+void codec_update_all_handlers(struct call_monologue *ml);
 
 void codec_store_cleanup(struct codec_store *cs);
 void codec_store_init(struct codec_store *cs, struct call_media *);