Protect

Here you set the conditions to be satisfied in order for the device to accept incoming calls.

SNMP ID:
2.2.9 
Telnet path:
Setup > WAN
Possible values:
None
The device answers any call.
Number
The device will receive a call only if the caller's number is transmitted and if that number is in the number list.
Screened
The machine will only accept a call if the caller is in the number list, the caller's number is transmitted, and if the number has been checked by the exchange.
Default:
None