Hello all, I want to know if there is a callback system that handles the instant messages like the callback system of the calls? If no how to detect the arrival of instant messages? please help. Best regards. Abdelkader Mosbah. -------------- next part -------------- An HTML attachment was scrubbed... URL: http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20080128/64c98635/attachment.html