Voip Security - D-Link DSL-G2452GR User Manual

Section 4 - Configuration
On the VoIP / Security page, you can configure filtering rules for incoming calls of the phone connected to the FXS port of the router.
Filtering Policy
In the Filtering Policy section, select the type of filtering to perform.
White List With this policy, the router accepts incoming calls (INVITE packets)
only from IP addresses or domains specified in the White List section.
Black List
With this policy, the router accepts incoming calls (INVITE packets)
from any IP addresses or domains except for those specified in the
Black List section.
Filtering is turned
With this policy, filtering is turned off. Filtering by IP addresses and
off domain names will not be performed.
White List/Black List
ADD RULE Specify an IP address or domain name to add to the filtering list.
D-Link DSL-G2452GR User Manual

VoIP Security

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