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Unable to configure AAR Group/CSS on MGCP GW with BRI

Hi,

I'm trying to configure the AAR Group and AAR CSS on a 2821 MGCP Gateway with 2 x VIC2-2BRI modules installed.  Every time I try to add these parameters I get the following error message:

Update failed. [422] AAR Group OR AAR Calling Search Space can only be used for devices that support the AAR feature

CUCM Version is: 6.1.3.2000

G/W IOS is: advipsvcs 12.4-15.T

AAR is working for other sites with BRI's but they're setup as H.323, rather than migrate these MGCP sites I would like to understand why this isn't working and is there an alternative workround?

Cheers.

2 REPLIES
Hall of Fame Super Gold

Re: Unable to configure AAR Group/CSS on MGCP GW with BRI

As you noticed, MGCP is limited in this as well more areas.

Using H.323 instead you will able to access the full range of features.

Note, cisco doesn't care about MGCP with BRI, because the latter is not used in the large North American customer base.

Cisco Employee

Re: Unable to configure AAR Group/CSS on MGCP GW with BRI

That's a bug

CSCsx34197 Bug Details
CM 6.1.3 AAR Group not selectable.

If you don't want to upgrade, follow Paolo's suggestion.

HTH

java

If this helps, please rate

www.cisco.com/go/pdihelpdesk

HTH

java

if this helps, please rate

www.cisco.com/go/pdi
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