Hi, i see this tutorial http://kb.asipto.com/asterisk:realtime:kamailio-3.3.x-asterisk-10.7.0-astdb, I've done step by step as described in the tutorial, but i have a problem, when A extension dial to B extension, B extension doesn't ringing... I send my sip.conf and kamailio.cfg Addittional, asterisk and kamailio are installed on same server, which have one private IP (192.168.50.217) and public IP 200.41.110.94 -- *Kevin W. Baylón Huerta* *Departamento Sistemas - Sitatel. * *Teléfono**: (51) 17073501 Anexo 208* *Celular: (51) 989715598* _______________________________________________ SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list sr-users(a)lists.sip-router.org http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users