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SRST Router configuration

Hi All,

We have Cisco ISR4351-V/k9 router with SRST licenses at my remote office with 200 Cisco7821 IP Phones. Cisco ISR4351 will have 2 PRI line terminate on it.

 

We have Call manager in Head office location. Both the locations are connected via MPLS.

 

We want to configure scenario like - all the 200 cisco7821 IP Phones will get registered on Call-manager. In case of WAN connectivity failure, they will get registered on SRST router.

 

Can anyone guide how to configure ISR4351 router for such scenario? 

Do i need to configure SIP trunk between ISR4351 & Call manager?

 

I have attached Connectivity diagram for reference.

 

Thanks.

Regards/Kartik Shah

1 REPLY 1
Hall of Fame Cisco Employee

Re: SRST Router configuration

Have you already read the SRST design guide and SRST configuration guides?

If not, that's your first step

HTH

java

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