[cisco-voip] Gatekeeper CAC

[Fedorov, Konstantin]

In the GK we can control session bandwidth, so indirectly codec.

How I understand the task. The goal is to limit total calls only between
CME's, not between CMEs and IOS gateways. But if the task, restrict
calls between CMEs and gateways the problem the same.

GK can control only bandwidth in the zone, it cann't control how many
calls between endpoints (destinations).

For example, if we configure bandwidth total 160
And have 10 call between IOS gateways, so we couldn't establish call
between two CME.

-----------------------
Sincerely Yours,
Konstantin Fedorov

-----Original Message-----
From: Bell, Joe [mailto:Joe_Bell at adp.com] 
Sent: Wednesday, March 22, 2006 8:25 PM
To: Fedorov, Konstantin; Robin H; cisco-voip at puck.nether.net
Subject: RE: [cisco-voip] Gatekeeper CAC


>From CME, I believe you are limited to controlling the codecs by using
the RAS dial-peers to and from each site.  The issue is gatekeepers have
no concept of codec as it's not part of any negotiation or message sent
to or from it.  In a CallManager to gatekeeper implementation, you would
put the gatekeeper trunk in its own device pool/region to control codec
to each location, and assign bandwidth statements to the gatekeeper to
limit calls.  

So in your environment, to control the bandwidth with two zones or less,
you can use:

gatekeeper
 bandwidth total 160

This command introduces issues when there are more than two zones, but
your environment (two zones), this should work fine.

For 10, g.729 calls, use 160 (16kb/g.729 call x 10 calls) and force the
codec by issuing it on the dial-peers (actually g.729 is default for any
voip dial-peer, but use the codec statement so the devices cannot
negotiate upward).


Joe 

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Fedorov,
Konstantin
Sent: Wednesday, March 22, 2006 7:29 AM
To: Robin H; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] Gatekeeper CAC

Hi

I suppose that there are not a easy way to accomplish this.
The main issue that you want restrict calls between CME and 
don't want between 2# gateways and 2# gateways and CME.
I think that you must use some external application to do this.

Look at this, 
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/rel_docs
/gktmp4_2/index.htm

-----------------------
Sincerely Yours,
Konstantin Fedorov

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Robin H
Sent: Wednesday, March 22, 2006 6:28 AM
To: cisco-voip at puck.nether.net
Subject: [cisco-voip] Gatekeeper CAC

I have five CME gateways registered to GK with prefix 3# while others
(seven IOS gateways connected to legacy PBX) registered to GK with
prefix 2#. I want to restrict the on-net call to any CME sites to ten
G729 calls. How can we do this? I am thinking of using "bandwidth
interzone" command, but all the gk endpoints are in same zone, any way
to do this?
Thanks.