Hey benny, I want to manipulate the buffer that holds the voice data before sending it where can I find the buffer, is it rtp[]? Sincerely, Anass Kartit -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20070920/e363e742/attachment.html