I have a MiVoice TA7102 connected to MiVoice Business as phone type"Generic SIP Phone". I got the basic calls working. Call transfer is failing. Call made from PSTN to analog phone connected to Analog phone. Analog phone answers the call. Then flash hook and tries to transfer the call to another PSTN phone.
MiVoice Business is responding with "403 forbidden" in response to the transfer INVITE from ATA.
the other features like hold, call forward are working fine.
Any inputs on this?