[cisco-voip] Dial-Peer Tandom

[Wes Sisk]

Michael,

IOS cannot tandem VOIP calls unless you use the IP-IP gateway feature.  
CallManager can tandem VOIP calls.

/Wes

Michael L. Windon wrote:

> Team,
>
>             Situation: I have two voice gateway located in to 
> locations. One is 11.11.12.1 and the other is 11.11.12.251. I 
> 11.11.12.251 has  one T1 into our local PBX at 2/0:1. 11.11.12.251 
> also has a T1. When the T1 located at 11.11.12.251 is full I want the 
> call to access the VoIP dial peer to access the other T1 on the other 
> gateway.
>
>  
>
> GW: 11.11.12.251
>
>  
>
> dial-peer voice 9 pots
>
>  preference 1
>
>  destination-pattern .T
>
>  direct-inward-dial
>
>  port 2/0:1
>
>  forward-digits all
>
> !
>
> dial-peer voice 10 voip
>
>  preference 2
>
>  destination-pattern .T
>
>  session target ipv4:11.11.12.1
>
>  fax protocol pass-through g711ulaw
>
>  ip qos dscp cs5 media
>
>  no vad
>
>  
>
>  
>
> GW: 11.11.12.1
>
> dial-peer voice 9 pots
>
>  preference 1
>
>  destination-pattern .T
>
>  direct-inward-dial
>
>  port 2/0:1
>
>  forward-digits all
>
> !
>
> dial-peer voice 10 voip
>
>  preference 2
>
>  destination-pattern .T
>
>  session target ipv4:11.11.12.251
>
>  fax protocol pass-through g711ulaw
>
>  ip qos dscp cs5 media
>
>  no vad
>
>  
>
> From my understanding of Dial-Peer they act in a hunt group fashion 
> meaning, when the first dial-peer responds with:
>
>  
>
> The voice port is busy (engaged)
>
> The voice port is out of service
>
> The internal call setup message is rejected
>
> There is no response to the internal call setup message
>
> The voice-cir of the network path does not allow any more voice calls
>
>  
>
> The next dial-peer is chosen which is my next dial-peer that sends the 
> digits to the other voice GW, but I only get busy as soon as I drop 
> the T1 or all DS0 or busy, your thoughts
>
>  
>
>  
>
>  
>
>  
>
>  
>
> Sincerely,
>
>  
>
> Michael L. Windon
>
> *
> */"It is possible to store the mind with a million facts and still be 
> entirely uneducated. "
> -/*Alec Bourne*
>
>  
>
>  
>
>  
>
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>
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