When building PjSip 2.0alpha2 , to use passthrough codec,you need to add 2 variables in ? struct pjmedia_format ? /**Tamvir Added Bitrate. */ pj_uint32_t bitrate; /**Tamvir Added Flag to indicate whether VAD is enabled */ pj_bool_t vad; ? in format.h file located at pjmedia/include/pjmedia/format.h file. ? And at pjmedia/src/pjmedia-codec/audio_codecs.c, line 48,?it would be ? status = pjmedia_codec_passthrough_init2(endpt, &c->passthrough.setting.ilbc_mode); ? ? Regards Tamvir -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20111213/fb3f9a61/attachment.html>