I see this console error  videcoconference  with H263+

2017-06-05 08:14:44.668608 [ERR] avcodec.c:736 len: 1200, mark:0 00 00 d2 ef
2017-06-05 08:14:44.668608 [ERR] avcodec.c:736 len: 1200, mark:0 00 00 f4 12
2017-06-05 08:14:44.668608 [ERR] avcodec.c:736 len: 382, mark:1 00 00 01 c0
2017-06-05 08:14:44.678607 [ERR] avcodec.c:736 len: 1198, mark:0 04 00 82 ca
2017-06-05 08:14:44.678607 [ERR] avcodec.c:736 len: 1200, mark:0 00 00 56 83
2017-06-05 08:14:44.678607 [ERR] avcodec.c:736 len: 1200, mark:0 00 00 24 4e
2017-06-05 08:14:44.678607 [ERR] avcodec.c:736 len: 1200, mark:0 00 00 e9 db
2017-06-05 08:14:44.678607 [ERR] avcodec.c:736 len: 1200, mark:0 00 00 9a 3a