update

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@4479 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -789,7 +789,9 @@ static void set_local_sdp(private_object_t *tech_pvt, char *ip, uint32_t port, c
 	}
 	if (tech_pvt->cng_pt) {
 		snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=rtpmap:%d CN/%d\n", tech_pvt->cng_pt, rate);
-		tech_pvt->cng_pt = 0;
+		if (!tech_pvt->rm_encoding) {
+			tech_pvt->cng_pt = 0;
+		}
 	}
     if (ptime) {
         snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "a=ptime:%d\n", ptime);