Hi List, Currently im using iphone app pjsip 1.8.10 (also tested on 1.10) if --no-vad is defined in cfg when "pjsip A" press "HOLD" on the "pjsip B" there is very bad music, in the log i can see lots of this lines 2011-09-05 11:13:17.797 ipjsua[4564:6603] 11:13:17.797 strm0x681c174 Jitter buffer reset 2011-09-05 11:13:17.877 ipjsua[4564:6603] 11:13:17.877 udp0x500ea00 Remote RTP address switched to 192.168.2.23:12482 2011-09-05 11:13:17.892 ipjsua[4564:6603] 11:13:17.892 strm0x681c174 Jitter buffer reset 2011-09-05 11:13:17.917 ipjsua[4564:6603] 11:13:17.917 strm0x681c174 Jitter buffer reset 2011-09-05 11:13:18.027 ipjsua[4564:6603] 11:13:18.027 strm0x681c174 Jitter buffer reset 2011-09-05 11:13:18.027 ipjsua[4564:6603] 11:13:18.027 udp0x500ea00 Remote RTP address switched to 192.168.2.82:4006 if i change "pjsip b" and use "hardphone b" there is no music. and if i remove the line --no-vad in the cfg, "pjsip b" and "hardphone b" i can hear the music clearly... -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20110905/1c90405c/attachment.html>