Hello Nanang, I did not have the capture files anymore, so I re-tested it for you. Find attached a ZIP-file with two capture files where the SDP-Answer goes for G.711-30ms. One capture is made with cfg->media_cfg.audio_frame_ptime = 20 (showing 'inconsistent' timing) and one capture with cfg->media_cfg.audio_frame_ptime = 10. With regards, Eize -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100923/d2e9e067/attachment.html> -------------- next part -------------- A non-text attachment was scrubbed... Name: Captures_Ticket_1133.zip Type: application/zip Size: 2756 bytes Desc: not available URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20100923/d2e9e067/attachment.zip>