[cisco-voip] G722 under MGCP PRI ?

[Ryan Ratliff]

It is only applicable for H.323.

As Dennis mentioned there is no point using g.722 for MGCP since the PSTN is only g.711.

-Ryan

On Apr 16, 2010, at 11:31 AM, Jason Aarons (US) wrote:

> On my CME 7.1 H.323 Gateways it does G.722 from phone to gateway.  Wonder if maybe CME is transcoding.
>  
> I thought voice class codec was H323 only command.
>  
> From: Dennis Heim [mailto:Dennis.Heim at cdw.com] 
> Sent: Friday, April 16, 2010 11:19 AM
> To: Jason Aarons (US); cisco-voip at puck.nether.net
> Subject: RE: G722 under MGCP PRI ?
>  
> Well if you are sending the call out the PRI, the PSTN will only support G.711.
>  
> Dennis Heim
> Network Voice Engineer
> CDW  Advanced Technology Services
> 11711 N. Meridian Street, Suite 225
> Carmel, IN  46032
> 
> 317.569.4255 Office
> 317.569.4201 Fax
> 317.694.6070 Cell
> dennis.heim at cdw.com
> www.berbee.com
>  
> From: cisco-voip-bounces at puck.nether.net [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Jason Aarons (US)
> Sent: Friday, April 16, 2010 10:59 AM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] G722 under MGCP PRI ?
>  
> My regions for this MGCP controlled PRI are for G.722.  Is there a way to enable G.722 on MGCP? All calls are going G.711 to gateway.
>  
> mgcp
> mgcp call-agent 137.1.110.5 2427 service-type mgcp version 0.1
> mgcp rtp unreachable timeout 1000 action notify
> mgcp modem passthrough voip mode nse
> mgcp package-capability rtp-package
> mgcp package-capability sst-package
> mgcp package-capability pre-package
> no mgcp package-capability res-package
> no mgcp package-capability fxr-package
> no mgcp timer receive-rtcp
> mgcp sdp simple
> mgcp fax t38 inhibit
> mgcp rtp payload-type g726r16 static
> mgcp bind control source-interface GigabitEthernet0/0
> mgcp bind media source-interface GigabitEthernet0/0
>  
> JVRTR2(config)#mgcp codec ?
>   clear-channel  Clear Channel 64000 bps, works with medium and high complexity
>                  dsps
>   g711alaw       G.711 A Law 64000 bps, works with all complexity dsps
>   g711ulaw       G.711 u Law 64000 bps, works with all complexity dsps
>   g723ar53       G.723.1 ANNEX-A 5300 bps, works with high complexity dsps
>   g723ar63       G.723.1 ANNEX-A 6300 bps, works with high complexity dsps
>   g723r53        G.723.1 5300 bps, works with high complexity dsps
>   g723r63        G.723.1 6300 bps, works with high complexity dsps
>   g726r16        G.726 16000 bps, works with medium and high complexity dsps
>   g726r24        G.726 24000 bps, works with medium and high complexity dsps
>   g726r32        G.726 32000 bps, works with medium and high complexity dsps
>   g728           G.728 16000 bps, works with high complexity dsps
>   g729ar8        G.729a 8000 bps, works with medium and high complexity dsps
>   g729br8        G.729b 8000 bps, works with medium and high complexity dsps
>   g729r8         G.729 8000 bps, works with medium and high complexity dsps
>   gsmamr-nb      GSM AMR-NB 4750 - 12200 bps (contains built-in vad that cannot
>                  be disabled)
>   gsmfr          GSMFR 13200 bps, works with high complexity dsps
>   ilbc           iLBC 13330 or 15200 bps
>  
> JVRTR2(config)#mgcp codec g722?
> % Unrecognized command
> JVRTR2(config)#mgcp codec g722?
> % Unrecognized command
> JVRTR2(config)#mgcp codec g722
>  
> Jason Aarons
> Consultant
> 904-338-3245 Mobile
> Dimension Data
>  
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