From 0c2f990561cf2c27bce3ed623faa56ac8c65006a Mon Sep 17 00:00:00 2001
From: Richard Fuchs <rfuchs@sipwise.com>
Date: Mon, 25 Oct 2021 14:13:43 -0400
Subject: [PATCH] TT#109800 fix output seq num bug

Change-Id: I68bc61982806ba1a48931030fdee26bcd75f1858
---
 daemon/codec.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/daemon/codec.c b/daemon/codec.c
index 8849ae7b9..23ccd502b 100644
--- a/daemon/codec.c
+++ b/daemon/codec.c
@@ -2278,7 +2278,7 @@ static void __dtx_send_later(struct codec_timer *ct) {
 			ilogs(dtx, LOG_DEBUG, "RTP media for TS %lu missing, triggering DTX", ts);
 
 			// synthetic packet
-			mp_copy.rtp->seq_num += htons(1);
+			mp_copy.rtp->seq_num = htons(ntohs(mp_copy.rtp->seq_num) + 1);
 
 			ret = decoder_dtx(ch->decoder, ts, ptime,
 					ch->handler->packet_decoded, ch, &mp_copy);