[cisco-voip] AAR question...

[Howard, Chad]

I was able to set this up in a lab finally.  The setup is two separate
CCM 5.04 clusters with gatekeeper-controlled intercluster trunks.  AAR
within a cluster works as expected.
 
Unless I messed something up, an ARJ from gatekeeper does not invoke
AAR.  You have to put a route group for a gateway into the route list so
you have PSTN backup in this scenario.
 
I tried gatekeeper "bandwidth interzone..."  CAC as well as just
locations-based CAC on the ICT and remote phone.  All gave me fast-busy
if there wasn't enough bandwidth for a given location.  
 
Hope this helps.
 
 
________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Howard, Chad
Sent: Friday, November 17, 2006 5:22 PM
To: Wes Sisk; Jonathan Charles
Cc: ciscovoip
Subject: Re: [cisco-voip] AAR question...


Another question along the same lines...
 
If using gatekeeper for intercluster calls (dial resolution only, not
CAC on the gatekeeper itself), does CM distinguish between between a
reject due to "the DN does not exist on the remote cluster" versus
"insufficient location bandwith" on the remote cluster ?
 
Or does an 'insufficient bandwidth' rejection have to come from the
gatekeeper's locally configured CAC in order to invoke AAR?  (all
rejects from remote clusters look the same regardless of underlying
reason)
 
Thanks.

________________________________

From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Wes Sisk
Sent: Friday, November 17, 2006 4:34 PM
To: Jonathan Charles
Cc: ciscovoip
Subject: Re: [cisco-voip] AAR question...


AAR works with ARJ as well.  CM will reroute using AAR CSS.

/Wes

Jonathan Charles 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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