We currently have a CallManager 4.0 and we would like to connect our calls to a remote branch overthe open Internet. We have a voice gateway at the remote branch. Normally , from the CallManagerconfiguration GUI, we register/add the voice gateway in ...

I am converting my Cisco 7960 IP Phone to an SIP phone and would like to inquire if Cisco IP Phones can be integrated with third party SIP server?This thought came about when you need to upload files in the TFTP server root an SIPDefault.cnf file wh...

I read about converting the Cisco7960 to an IP Phone and it said to place the following required files.- OS79XX.TXT- P003-07-2-00 bin files (together with other filesthat comes with it when downloaded from the CCO )- SIPDefaultGeneric.cnfI...

We have a Unity 4.0(3) and using Unified Communication with Exchange 2000 off the box.. We have a situation where some users ,when trying to listen to their viewmail voice messages from theirIP Phones , are experiencing errors saying "Unknown proble...