While creating sound device which function supposed to be called by the VAS direct play_cb_ext or play_cb.? My understanding it should be play_cb_ext but pjmedia_snd_port_create_player calling play_cb while VAS is active with switchboard. Any thought?? -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20110326/d9f88653/attachment.html>