diff --git a/daemon/call.c b/daemon/call.c
index d6b6522da..21b11afc6 100644
--- a/daemon/call.c
+++ b/daemon/call.c
@@ -2672,6 +2672,8 @@ static void __call_monologue_init_from_flags(struct call_monologue *ml, struct c
 			ml->sdp_session_rr = flags->session_rr;
 		if (flags->session_rs >= 0)
 			ml->sdp_session_rs = flags->session_rs;
+		if (flags->session_ct >= 0)
+			ml->sdp_session_ct = flags->session_ct;
 	}
 
 	// reset offer ipv4/ipv6/mixed media stats
@@ -4235,7 +4237,7 @@ struct call_monologue *__monologue_create(call_t *call) {
 	ret->ssrc_hash = create_ssrc_hash_call();
 	ret->sdp_attr_print = sdp_insert_monologue_attributes;
 	/* explicitely set b=RR/b=RS to -1 so it's not considered as 0 inadvertently */
-	ret->sdp_session_as = ret->sdp_session_rr = ret->sdp_session_rs = -1;
+	ret->sdp_session_as = ret->sdp_session_rr = ret->sdp_session_rs = ret->sdp_session_ct = -1;
 
 	gettimeofday(&ret->started, NULL);
 
diff --git a/daemon/sdp.c b/daemon/sdp.c
index 6a5a9b06f..4e57b4770 100644
--- a/daemon/sdp.c
+++ b/daemon/sdp.c
@@ -104,7 +104,7 @@ struct sdp_session {
 	str session_name;
 	str session_timing; /* t= */
 	struct sdp_connection connection;
-	int as, rr, rs;
+	int as, rr, rs, ct;
 	struct sdp_attributes attributes;
 	sdp_media_q media_streams;
 };
@@ -1294,7 +1294,7 @@ new_session:
 				t_queue_push_tail(sessions, session);
 				media = NULL;
 				session->s.s = b;
-				session->as = session->rr = session->rs = -1;
+				session->as = session->rr = session->rs = session->ct = -1;
 
 				break;
 
@@ -1372,6 +1372,10 @@ new_session:
 				else if (!memcmp(value, "RS:", 3)) {
 					*(media ? &media->rs : &session->rs) = strtol((value + 3), NULL, 10);
 				}
+				/* CT has only session level */
+				else if (!memcmp(value, "CT:", 3)) {
+					session->ct = strtol((value + 3), NULL, 10);
+				}
 				break;
 
 			case 'k':
@@ -1842,6 +1846,7 @@ int sdp_streams(const sdp_sessions_q *sessions, sdp_streams_q *streams, sdp_ng_f
 		flags->session_as = session->as;
 		flags->session_rr = session->rr;
 		flags->session_rs = session->rs;
+		flags->session_ct = session->ct;
 		flags->session_timing = session->session_timing;
 
 		for (__auto_type k = session->media_streams.head; k; k = k->next) {
@@ -3638,6 +3643,8 @@ static void sdp_out_add_bandwidth(GString *out, struct call_monologue *monologue
 			g_string_append_printf(out, "b=RR:%d\r\n", ms->monologue->sdp_session_rr);
 		if (ms->monologue->sdp_session_rs >= 0)
 			g_string_append_printf(out, "b=RS:%d\r\n", ms->monologue->sdp_session_rs);
+		if (ms->monologue->sdp_session_ct >= 0)
+			g_string_append_printf(out, "b=CT:%d\r\n", ms->monologue->sdp_session_ct);
 	}
 }
 
diff --git a/include/call.h b/include/call.h
index 1d10c0aa6..8ccde9ddb 100644
--- a/include/call.h
+++ b/include/call.h
@@ -571,7 +571,7 @@ struct call_monologue {
 	GHashTable		*media_ids;
 	struct media_player	*player;
 	struct media_player	*rec_player;
-	int			sdp_session_as, sdp_session_rr, sdp_session_rs;
+	int			sdp_session_as, sdp_session_rr, sdp_session_rs, sdp_session_ct;
 	str			last_in_sdp;
 	sdp_sessions_q		last_in_sdp_parsed;	/* last parsed `sdp_session` */
 	sdp_streams_q		last_in_sdp_streams;	/* last parsed `stream_params` */
diff --git a/include/call_interfaces.h b/include/call_interfaces.h
index 1762a06c6..ddfec46df 100644
--- a/include/call_interfaces.h
+++ b/include/call_interfaces.h
@@ -66,7 +66,7 @@ struct sdp_ng_flags {
 	str session_sdp_name;
 
 	str session_timing; /* t= line */
-	int session_as, session_rr, session_rs; /* b= bandwidth per session level */
+	int session_as, session_rr, session_rs, session_ct; /* b= bandwidth per session level */
 
 	/* commands to manipulate attr lines in SDP */
 	struct sdp_manipulations * sdp_manipulations[__MT_MAX];