| ADVANCED |
3-2 ADVANCED
3-2-1 VoIP
3-2-1-1 Caller Filter
This function allows you to accept or reject any incoming call from the IP address listed in the filter rule. The call from the IP address of SIP proxy server is always accepted, despite Deny is selected or the IP address of SIP proxy server is not in the filter rule of Allow.
ADVANCED → VoIP → Caller Filter
Caller Filter: It is to allow or deny the filter rule.
Status: It is to show the status of enable or disable.
Filter IP Address: Enter the start IP address which you would like to Allow or Deny.
Subnet mask: Enter the subnet mask you would like to Allow or Deny.