Hello I have decided to use IAX to send simple voice from one end to Asterisk as IAX is more light weight than SIP. As IAX does not use RTP for media transfer, we attach the voice frames with IAX messages (miniframes may be?) libiax2 has a function called iax_send_voice that accepts following parameters: session, codec_format, data, datalen, samples Could any body point me to some documentation that explains answers to questions like: For a given codec, 1) what should be datalen 2) how often should I send data 3) what should be samples value 4) should I be concerned about byte order (say I am reading from a file and sending it over network) I am interested in sending EVRC encoded frames to Asterisk (I am not familiar with the process of sending/streaming audio frames, helpful documentation on that would also be appreciated) Thanks Jim -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.digium.com/pipermail/asterisk-users/attachments/20060329/e7e971fb/attachment.htm