Index: res/res_rtp_multicast.c
===================================================================
--- res/res_rtp_multicast.c	(revision 341429)
+++ res/res_rtp_multicast.c	(working copy)
@@ -228,10 +228,13 @@
 
 	/* Construct an RTP header for our packet */
 	rtpheader = (unsigned char *)(f->data.ptr - hdrlen);
-	put_unaligned_uint32(rtpheader, htonl((2 << 30) | (codec << 16) | (multicast->seqno++) | (0 << 23)));
+	put_unaligned_uint32(rtpheader, htonl((2 << 30) | (codec << 16) | (multicast->seqno) | (0 << 23)));
 	put_unaligned_uint32(rtpheader + 4, htonl(f->ts * 8));
 	put_unaligned_uint32(rtpheader + 8, htonl(multicast->ssrc));
 
+	/* Increment sequence number and reset to 0 if it would overflow allocated 8 bits in RTP packet */
+	multicast->seqno = (multicast->seqno + 1) % 65535;
+
 	/* Finally send it out to the eager phones listening for us */
 	ast_rtp_instance_get_remote_address(instance, &remote_address);
 	res = ast_sendto(multicast->socket, (void *) rtpheader, f->datalen + hdrlen, 0, &remote_address);