We have some explosion proof phones on our old Option 11 Nortel PBX, and they are the last to be migrated onto our new CCM 3.3 cluster. The phones are Northern Telecom 301's, and use "digipulse" dialing.
They are older than dirt, but the cost to replace is very high. Has anyone ever used a gateway that will register with MGCP (or H323 for that matter) that supports pulse dial phones?
The TAC seemed unaware of any available options - this is the last ditch effort.
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...