Common Faults

DTMF issues

If a site reports DTMF is not being process correctly try the following to fix the issue:

voice trunk T00 type sip
rtp dtmf-relay offer inband

TLS registration Fails

Depending on the Firmware level, Certain TLS parameters do not take in CLI/ Uploading configuration. If the device is failing to send out REGISTER requests, Verify the following is set correctly in the WebUI