When i setup the 3CX Phone System v5.1 build 4510, in upgrade way from previous version or new setup, the local extensions cannot communicate. 1. in 3cx client phone the status of all clients are red but when you check in 3cx server the clients status are in green and registered 2. When you try to call extension to extension, the caller status automatically get connected then dial tone automaticall disconneted and the callee just keep ringing.
Is this an issue or there might be something i missed to do?
Is this an issue or there might be something i missed to do?
