â¢Lower cost of ownership-The Cisco VG200 communicates with the Cisco CallManager using the Media Gateway Control Protocol (MGCP) or H.323 Version 2. It allows connectivity between a Cisco CallManager-based IP telephony system and legacy telephony equipment such as the PSTN, private branch exchanges (PBXs), and voice-mail systems. The Cisco VG200 provides a space-saving solution that can be managed remotely using network management applications such as CiscoWorks.
as you mention, CUCM version is really not relevant.
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...