[cisco-voip] SRST inbound calls issue

James Brown james.m.h.brown at googlemail.com
Sun Nov 30 13:04:21 EST 2008


Nick,

Just a note of caution while we're on this topic. A problem I came 
across with splitting SRST across two routers like this was that if you 
have the same DN presented on two different phones and the phones 
register to different routers at SRST time, only one of the phones will 
ring when in SRST mode.

I don't believe I found a solution to this.

Regards

James.

Thorsten.Mayr at barclayscapital.com wrote:
> Configure the other gateway with H323 fallback and a dial peer for
> incoming calls accepting the range of your DDI (DID) as well as a  voip
> dial-peer back to the SRST router that has the phones registered.
> 
> Don't forget that you might have to strip or prepend some digits
> depending on how many the telco is delivering...
> 
> 
> On the SRST router, configure a voip dial-peer with pref 2  to point at
> the second gateway/router
> 
> Will give you resilience in case one line goes down, or maybe u even
> need the additional capacity anyway
> 
> Cheers
> T
> 
>> -----Original Message-----
>> From: cisco-voip-bounces at puck.nether.net 
>> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Nick
>> Sent: Wednesday, November 26, 2008 7:20 PM
>> To: cisco-voip at puck-nether.net
>> Subject: [cisco-voip] SRST inbound calls issue
>>
>> I have just come across a situation, I have 2 SRST gateways 
>> with phones split across the 2, each gateway has a PRI which 
>> have a range of numbers that round robin between the 2 PRI's 
>>  
>> If phone A is registered to SRST gateway A then because the 
>> PRI round robins between the 2 gateways the call will only 
>> complete if it goes to the gateway that number is registered, 
>> is there any way round this or to send the call to the other gateway?
>>  
>>  
>>
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