722 Matrix ETERNITY NE System Manual
Call Restriction based on IP Address
When the Ethernet port of the system is connected to a public IP network, it may be necessary to restrict traffic to
and from a particular IP address only.
With the feature 'Call Restriction based on IP Address', SARVAM UCS makes it possible to entertain requests on its
Ethernet port for predefined IP Addresses only.
How it works
For this feature to work,
• the Trusted IP Address/es table must be configured for each SIP Trunk.
• with this table configured, incoming call traffic from all IP Addresses, other than those programmed in the
Trusted IP Address/es table, will be blocked.
All incoming traffic on the SIP Trunk will be rejected if the Trusted IP Address/es Table of that SIP Trunk is
blank.
How to configure
For each SIP Trunk, make a list of IP Addresses:Port from which you want to allow traffic. If you want to allow
incoming calls from all ports for a particular IP Address, configure only the IP Address.
You are allowed to configure a maximum of 10 IP Addresses. See “Trusted IP Address/es” under “SIP Trunks” for
instructions.
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