[cisco-voip] AAR question...

[Patrick Diener]

AFAIK AAR only works between phone endpoints inside the same cluster.
CCM needs a complete E.164 number to be able to reroute the call through the
PSTN. This fully qualified phone number is built from the external number
mask of the destination device and the dialed extension (the PSTN access
digit is taken from the AAR Group configuration)
If you want to reroute a call rejected by a GK, a PSTN GW in the same route
group as the GK controlled trunk should do the trick, you have to do some
digit manipulation on the route group though...

Patrick

On 11/17/06, Jonathan Charles <jonvoip at gmail.com> wrote:
>
> Found this quote in the SRND for 4.1:
>
> " Automated alternate routing (AAR) provides a mechanism to reroute calls
> through the PSTN or other network by using an alternate number when
> Cisco CallManager blocks a call due to insufficient location bandwidth."
>
> My question is, what happens if a Gatekeeper rejects the call, does this
> count as 'insufficient location bandwidth' or does AAR only work if
> locations-based bandwidth is exceeded?
>
>
>
>
> Jonathan
>
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>
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