3.13.1 Starting the PBX
Confirming the Trunk Connection
After initialisation, programme the PBX and connect trunks to the PBX.
To confirm that the trunks are successfully connected, dial [ ] [3] [7] + trunk number (3 digits) on a PT, or
press the PT's S-CO button. You will hear a dial tone if the trunk is available and connected.
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Installation Manual