Cellular Module Is not Compatible with G.722 Codec

Applicability

  • Model: any model supports the Cellular module.
  • Firmware version: any.

Symptom

When the user tries to make a call through the GSM trunk from the IP phone. But it failed.

 

Solution

The Cellular module doesn't support G.722 due to the hardware limit.

Try to remove the G.722 codec on PBX(SIP General Settings) or IP phone.

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