FXS Port No Dial Tone

Symptom:

There is no dial tone from the FXS port when you pick up the analog phone.

Check List:

1. Swap the FXS port to test.
2. Swap the analog phone to test.
3. Swap slot to install the S2 module on the same EX08 board, and check again if the module could be recognized on the web.
4. Swap a S2 module, if you have one.
5. If failure happens on above 3 steps. And if the PBX is installed with the other EX08 board, try to install the S2 module on the other EX08 board.

Log & Packet Capture:

If you can’t resolve the issue, please submit the following information to Yeastar

1. Post us the test result of the check list.