Hello, My new question is if it is possible to use pjsip to test VoIP audio quality(jitter, paket lost, etc.)? Is there any functions implemented for this purpose? (or I need to calulate the values by myself?) Or any other open source? I would like to test the network broadband speed for audio quality, which audio codec to use for under different conditions. Thank you. Regards, Pai -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20130311/ab4eb062/attachment-0001.html>