Sip Filter - D-Link DSL-X1852E User Manual

Section 4 - Configuration
SIP Filter allows you to configure filtering 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 configuring
filter rules, click Enable.
Enter the following information for filtering 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 filtering mode: blacklist or whitelist:
Blacklist: With this policy, the router accepts incoming calls (INVITE
packets) from any IP addresses or domains except for those specified
in a blacklist.
Whitelist: With this policy, the router accepts incoming calls (INVITE
packets) only from IP addresses or domains specified in a whitelist.
Click Add to add your filtering rule. After adding the rules, you can select a rule and click
Delete to delete it. A maximum of 16 rules can be created.
D-Link DSL-X1852E User Manual

SIP Filter

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