Cloud ISDN means you don’t need to replace your PBX immediately.
For those small businesses who have a PBX with an ISDN connection, the termination of ISDN services does not have to be a problem. It currently meets your needs, so why replace it?
Pegasus Technology/Access4 Cloud ISDN services allows businesses to move off traditional copper ISDN services without the need to change any equipment on their end.
Do you have a (better) plan (B)