D-Link DSL-X1852E - SIP Filter

82D-Link DSL-X1852E User Manual
Section 4 - Conguration
SIP Filter
SIP Filter allows you to congure ltering rules for incoming calls of the
phone connected to the phone ports of the router. Go to Features > VoIP
and select SIP Filter. Please check with your Internet phone provider, or
leave the settings at their defaults if you are not sure. To start conguring
lter rules, click Enable.
Enter the following information for ltering SIP messages:
SIP Address: SIP server uses Session Initiation Protocol to communicate with VoIP
devices to control communication sessions for voice and multimedia
content delivery.
Filtering Mode: Specify the ltering mode: blacklist or whitelist:
Blacklist: With this policy, the router accepts incoming calls (INVITE
packets) from any IP addresses or domains except for those specied
in a blacklist.
Whitelist: With this policy, the router accepts incoming calls (INVITE
packets) only from IP addresses or domains specied in a whitelist.
Click Add to add your ltering rule. After adding the rules, you can select a rule and click
Delete to delete it. A maximum of 16 rules can be created.