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hi I configured CUCM and UCCX for auto attendant when I tried to call the trigger number from internal phone, it works and i can hear the auto attendant. But when I when i call from PSTN to the trigger number, it fails to connect and says "Unknown Number". But I can call to other extensions...

Hi, I am working on a class project for voip. I have got everything setup and working. HQ is configured with MGCP gateway and Branch is configured with SIP trunk.One of the requirement is that to "place two active calls between HQ and Branch and have the third call be rejected". Where should...

Hi, I configured SIP trunk in my Branch router. When I do show isdn status, it shows "Multiple frame estabhlished". But i am not able to make any calls out to PSTN and also cannot receive any calls from PSTN and HQ phones. HQ is configured with MGCP.

When I make a call from HQ IP phones to PSTN, It works. But when I make call from PSTN to IP phone, it gives the busy tone. Its the same issue with Branch. Calls from branch to PSTN works but from PSTN to branch IP phones does not work. In HQ, MGCP gateway is configured and In branch, SIP trunk...

Hi, I am using CUCM 8.6. I am trying to configure SIP trunk in Branch location. For destination address, what address should I put? Is it the Branch router address or PSTN/WAN router address or CUCM server address? Thanks

Hi everyone, I am working on a voip class project. There's a HQ and a Branch. The CUCM cluster is in HQ and consists of a publisher and a subscriber. I configured the multicast MoH for HQ and Branch phones. But the MoH is not working in Branch phones. When I make a call from "A" HQ phone...