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Mitel 3300 suddenly stopped allowing extensions to dial externally or be contacted via external #
Hi Guys, We've been faced with a strange issue and according to our carrier, the problem lies in house. We are no longer able to make or receive external calls back into our Mitel 3300 system. The controller has a BRI card in it and an ISDN service from the carrier. There was recently some...- jexter13
- Thread
- Replies: 15
- Forum: Mitel Networks solutions
