RE: Gateway and Gatekeeper

From: David Prall (dcp@dcptech.com)
Date: Tue May 06 2008 - 11:59:28 ART

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When doing SRST, h.323 is required as the fallback. It also allows for
multiple clusters to use the same gateways via the gatekeeper.

--
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> -----Original Message-----
> From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On 
> Behalf Of davidytk
> Sent: Tuesday, May 06, 2008 10:50 AM
> To: 'WorkerBee'
> Cc: ccielab@groupstudy.com
> Subject: RE: Gateway and Gatekeeper
> 
> Hi 
> 
> But I can configure dial-plan in Call Manager, why we need 
> use gatekeeper to
> control dial plan.
> 
> Can you explain more.
> 
> Thanks
> David
> 
> -----Original Message-----
> From: WorkerBee [mailto:ciscobee@gmail.com] 
> Sent: 2008-05-06 22:40
> To: davidytk
> Cc: ccielab@groupstudy.com
> Subject: Re: Gateway and Gatekeeper
> 
> Gatekeeper can perform the following roles:
> 
>  - Call Admission Control (Distributed Call processing environment)
> 
>  - Centralized Dial Plan (Also support Directory Gatekeeper for
> hierarchical support)
> 
>  - Provides Dial Plan resolution for H323 network (not 
> required for SIP
> world)
> 
> As you have mentioned, a Gateway is used to terminate voice calls.
> Such as Analog <--> Digital conversion
> between PSTN and VoIP world.
> 
> HTH
> 
> 
> On Tue, May 6, 2008 at 10:24 PM, davidytk 
> <davidytk@netvigator.com> wrote:
> > Hi All
> >
> >
> >
> >  I would like to know the difference between for Gateway 
> and Gatekeeer.
> >
> >
> >
> >  If I am no mistake, Gateway is a device for place and 
> receive call from
> >  PSTN.
> >
> >
> >
> >  How about Gatekeeper?
> >
> >
> >
> >  Thanks
> >
> >
> >
> >  David
> >
> >
> >  
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