Hello,When I place a call from ucme to ucm through a gk, I get a busy tone and I receive an ARJ on the cucm trunk side.My initial outbound voip dp hqs no codec configured (default is g729r8).I configured GK CAC to get 96 kbits (6 x g729 calls) over t...

Hi,My router 2811 is connected to a PBX with an E1 interface and QSIG support. The gw is managed by MGCP from the CCM cluster in version 4.1(3).I received from the PBX side incomplet dial string so users are unable to press the callback softkey to re...

Hello,On site A, I have IP Phones and CCM 3.3 configured and I would like to add new IP Phones on site B separated from site A by 2 Firewalls (Cisco and Check Point).What do I need to open on PIX (running 6.3) to allow call establishment between both...