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SIp trunk on resilient controller

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Billz66

Billz66

Technical User
Feb 21, 2010
2,094
AU
MCD 5.0 SP1 PR1
2x Mxe as Main and resilient ( housed in same subnet , in same data rack)
Sip trunks registered from main controller only
all handsets on main controller with 2nd as their resilient controller.

The question is , can I make the sip trunks resilient , and if so how?
- my only thoughts would be to split them into 2 groups ,
- have each controller make a sip registration .
- Incoming calls should work ok and outgoing could be handled with a list Perhaps ?


If I never did anything I'd never done before , I'd never do anything.....
 
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I think the only way to make them resilient is via the MBG. If its the SIP trunk Proxy it can make the SIP trunks resilient. Otherwise not sure how you would do it other then establishing two seperate groups of SIP trunks and have the carrier setup some sort of failover between the two.

I'd tell you a UDP joke but I'm afraid you won't get it. TCP jokes are the best because you always get them.
 
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We did this for a customer with a main location and a second location at a carrier Colo. The carrier provided 2 SIP trunk connections, 1 at the main and 1 at the Colo. Phones register to main and fail over to Colo. SIP trunks are load balanced for incoming by the carrier so first inbound goes to main and next inbound goes to Colo. Outgoing use a list with main as first choice and when the main SIP trunks fill the list starts using the Colo trunks.
 
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