[cisco-voip] Voice and Video CallAdmission Control

[Jonathan Charles]

You can centralize your gatekeeper, I would divide the zones so that each
cluster gets admission for the bandwidth it is requesting... the problem, of
course, is that zone bandwidth end-to-end will be denied...

You also need to modify the BRQ Enabled service parameter in CCM to True to
ensure it can dynamically change bandwidth...



Jonathan



On 3/14/07, Patrick Mowry <pmowry at getgds.com> wrote:
>
> I assume I need a gatekeeper for each cluster.  But I have a problem with
> units.  CallManager is asking for 64K for a g711 call, but Polycom is asking
> for 768K for a 384K video call.
>
> Would I use via zones help with CAC?
>
> Should I have a gatekeeper at each hub and subhub location?
>
> Thanks for the help,
>
> -Patrick
>
> ________________________________________
> From: Jonathan Charles [mailto:jonvoip at gmail.com]
> Sent: Wednesday, March 14, 2007 7:38 PM
> To: Patrick Mowry
> Cc: cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] Voice and Video CallAdmission Control
>
> You need a Gatekeeper... Have all of the endpoints point to it and use the
> GK for CAC.
>
> Also, build a GK-controlled trunk from each CCM node to the GK so CCM can
> call the H.323 nodes... also build a route-pattern on CCM to point to the
> aforementioned trunk...
>
>
>
>
> Jonathan
> On 3/14/07, Patrick Mowry <pmowry at getgds.com> wrote:
> Anyone integrating VTA and H323 video endpoints with CallManager 4.1(3)?
> I'm looking for advise on Call Admission Control.Almost all sites are
> point to point T1 circuts, but not hub and spoke.I have 2 main hubs
> with a CallManger cluster at each, but then there are sub-hubs (with 1
> to 3 sites behind them) with no CallManager or local gatekeeper.
>
> So is anyone dealing with call admission control in a wetup like this?
> It was easy with polycom endpoints and an IPVC MCU, but VT Advantage
> units are poping up everywhere.
>
> Thanks,,
>
> -Patrick
>
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