This voice interface card (VIC) is a newer version of the existing card that brings the BRI network side feature to the Cisco 1751 and Cisco 1760 series platforms. This feature allows BRI ports on the routers to act as ISDN network side. The NT interface on the router allows the customer to connect ISDN PBX and key systems to a multi-service network with a minimum of configuration changes on the PBX. This module provides -48V phantom power to PBX and key switches that require it. The Cisco IOS software replicates the public switched network interface on a PBX that is compatible with European Telecommunications Standards Institute (ETSI) Net3 and QSIG switch types.
From this doc;
New Hardware Features Supported in Cisco IOS Release 12.3(5)
I'm not able to access my old voice mail messages all of a sudden. The recording says something like 'the message is currently not available'. This has never happened before in all the years I have been using this system. I have t...
If you have 2 ISR routers, one acting as Failover, do we need to have both the same number of SRST licenses on the 2 routers?
No. You will only need the SRST licenses on the primary router. Because this feature...
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