Hi All, Prior to upgrading our Call Manager from version 6.1.5 to 9.1.2 I was able to make secure call from one of my IP-STE phones to another IP-STE phone in network.   After having upgraded to 9.1.2 I can make the phone call from one phone to anoth...

Hi All, I have a situation where I am trying making a call from HQ to a phone connected to a PBX at a remote site.  I am receiving a Fast Busy signal when I am making the call.  The call is supposed to go through our IP network to the remote site Voi...

Hi Voice Community,I recently configured my Voice Gateway (ISR 2921) for ccm-manager MGCP fallback. I was able to register the gateway and the T1 with my call manager (CUCM 9.1).  I also have SRST configured and pointed to the gateway's address as th...