[cisco-voip] VG224 H323 or MGCP

Fri Jun 29 09:12:56 EDT 2007

We have some ADEMCO fire alarm panels that use DTMF tones to communicate and
use DTMF tones with bursts of 50msecs, so that eliminated VG248's since
their fastest DTMF sample size is either 100 or 150ms, so VG224's were
purchased.  Most of our gateways that were MGCP capable were configured that
way, but the MGCP config for the ports that these fire alarm panels were
connected to weren't working, so I tried H323 and it worked.  Since I have
setup these ports I have tried modems on similarly configured ports and have
gotten better, more reliable performance from the H323-configured ports than
the MGCP-configured ports.  I don't have any technical explanation of this,
just my own experience.

-C

  _____  

From: Lelio Fulgenzi [mailto:lelio at uoguelph.ca] 
Sent: Friday, June 29, 2007 8:59 AM
To: c3voip; 'Paul Choi'; 'Nick Kassel'; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 H323 or MGCP

any reason why? for us newbies in the vg224 world?

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Lelio Fulgenzi, B.A.
Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
(519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
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----- Original Message ----- 

From: c3voip <mailto:c3voip at nc.rr.com>  

To: 'Paul Choi' <mailto:asobihoudai at yahoo.com>  ; 'Nick Kassel'
<mailto:Nick.Kassel at charles-stanley.co.uk>  ; cisco-voip at puck.nether.net 

Sent: Friday, June 29, 2007 8:55 AM

Subject: Re: [cisco-voip] VG224 H323 or MGCP

I have tried both, and for modem and other non-voice communications I
definitely recommend H323.

-C

-----Original Message-----
From: cisco-voip-bounces at puck.nether.net
[mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Paul Choi
Sent: Friday, June 29, 2007 6:26 AM
To: Nick Kassel; cisco-voip at puck.nether.net
Subject: Re: [cisco-voip] VG224 H323 or MGCP

Unless your environment/customer has a specific
requirement for you to use one protocol over the
other, use with what you're comfortable I'd recommend.

--- Nick Kassel <Nick.Kassel at Charles-Stanley.co.uk>
wrote:

> I see you can also use SCCP, would this be more
> beneficial.
> 
> -----Original Message-----
> From: Paul Choi [mailto:asobihoudai at yahoo.com] 
> Sent: 29 June 2007 11:09
> To: Nick Kassel; cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] VG224 H323 or MGCP
> 
> I'd say use H.323. It's supported so why not?
> 
>
http://www.cisco.com/en/US/products/hw/gatecont/ps2250/products_data_she
> et09186a00801d87f6.html
> 
> 
> --- Nick Kassel <Nick.Kassel at charles-stanley.co.uk>
> wrote:
> 
> > I have some VG224 gateways to install in our main
> > site, we have Call
> > Manager 5.1.1, all of our voice gateways are H323
> > except for an MGCP /
> > Qsig gateway we have connected to our old PBX.
> > 
> >  
> > 
> > What does everyone recommend H323 or MGCP for
> VG224
> > 
> 
> 
> 
>        
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