hi, 1> pj_caching_pool_init(&cp,&pj_pool_factory_default_policy,0); 2>status = pjsip_endpt_create(&cp.factory,endpt_name,&g_endpt); please tell me meaning of these lines.... is it same as dynamic memory allocation, i am not getting exactly meaning of this, Regards New_bie -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20081121/77b05c5b/attachment.html>