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Door Phone
When there is an incoming call from door phone, setup the delay auto
answer time, FE-TEL-48G will auto answer the call after the timeout.
Note: if you enable Auto Answer function, this feature will be not
available
Others
Return Code When Refuse:
Allows users to assign specific code as
return code to SIP server when an incoming call is rejected.
Auto Answer Delay:
To configure delay time before an incoming call is
automatically answered.
Early DTMF:
To enable or disable early DTMF.
Multicast Codec:
Choose the default audio codec for multicast.
Direct IP:
Support direct IP call.