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GM2020
Beginner

SRST- Call routing from Inbound PSTN VG3 to different Outbound PSTN VG1

Hi Guys,

I have a situation and looking for a call routing solution in SRST mode.

In the remote site, we have 3 VGs. VG1 and VG2 are primary and secondary VG having the PRI connection which is used as the main DID range for Inbound and Outbound calls. VG3 has a PRI for Inbound only.

Under normal condition, the Incoming calls on VG3 is routed to Centralized CUCM via VoIP Dialpeer and gets forwarded to an PSTN number via VG1.

Flow : Inbound---VG3---H323---CUCM--CTI-RP---CFwdALL----H323---VG1--PSTN

I wanted the call to work when there is WAN outage and in SRST state.

Incoming call----VG3----VG1---PSTN

I am planning to create a VoIP SRST dialpeer with low preference pointing to VG1 IP with destination patter XXXX and then have a redirect configured on VG1 for XXXX to PSTN. Will this work ? or is there a better solution ?  Please suggest. Thanks !!

Please note : All VGs are in remote site

 

2 REPLIES 2
GM2020
Beginner

Any thoughts from anyone ?

This is the way to do it in SRST mode as you  lose access to your CUCM cluster. 

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