[cisco-voip] g711 sample size in CCM - 10ms or 20ms

[Erick B.]

Thanks Wes.

--- Wes Sisk <wsisk at cisco.com> wrote:

> the ccm.exe process examines the codec capabilities
> of each device and 
> selects the common capability, then ccm.exe sends
> the appropriate 
> message to the endpoint to transmit or receive
> audio.
> 
> Yes, it will auto negotiate.
> 
> /Wes
> 
> Louis R. Marascio wrote:
> 
> >The phone will negotiate the frame size on a per
> stream (transit vs
> >receive) basis I believe.
> >
> >Louis
> >
> >-----Original Message-----
> >From: Erick B. [mailto:erickbe at yahoo.com] 
> >Sent: Saturday, February 12, 2005 2:14 PM
> >To: andy at dignans.com; Louis R. Marascio
> >Cc: erickbe at yahoo.com; andy at dignans.com;
> cisco-voip at puck.nether.net
> >Subject: RE: [cisco-voip] g711 sample size in CCM -
> 10ms or 20ms
> >
> >Thanks for the info.
> >
> >I did some looking around cisco, but could not find
> a answer to my next
> >question.
> >
> >If a device configured for 10ms sample time places
> a call to a phone
> >will the phone self-adjust to 10ms for that call
> since the calling
> >device is using 10ms or will the phone which
> registers to call manager
> >use 20ms? 
> >
> >--- Andrew Dignan <andy at dignans.com> wrote:
> >
> >  
> >
> >>It can be configured in CallManager:
> >>
> >>In Cisco CallManager, the voice payload size per
> packet is 
> >>configurable on a systemwide basis. This attribute
> is set in Cisco 
> >>CallManager Administration (Service > Service
> Parameters > 
> >>select_server > Cisco
> >>CallManager) with the following three service
> >>parameters:
> >>
> >>PreferredG711MillisecondPacketSize-(Default
> setting:
> >>20 ms. Available
> >>settings: 10, 20, and 30 ms.)
> >>
> >>[andy]
> >>
> >>    
> >>
> >>>There is a system parameter that set the
> preferred
> >>>      
> >>>
> >>frame size.  Look
> >>    
> >>
> >>>under the "Clusterwide Parameters (System -
> >>>      
> >>>
> >>Location and Region)"
> >>    
> >>
> >>>parameters under system parameters.
> >>>
> >>>Louis
> >>>
> >>>-----Original Message-----
> >>>From: cisco-voip-bounces at puck.nether.net
> >>>[mailto:cisco-voip-bounces at puck.nether.net] On
> >>>      
> >>>
> >>Behalf Of Erick B.
> >>    
> >>
> >>>Sent: Thursday, February 10, 2005 11:52 PM
> >>>To: andy at dignans.com; cisco-voip at puck.nether.net
> >>>Subject: [cisco-voip] g711 sample size in CCM -
> >>>      
> >>>
> >>10ms or 20ms
> >>    
> >>
> >>>I'm trying to figure out where to see/set the
> >>>      
> >>>
> >>g711ulaw sample size in
> >>    
> >>
> >>>CCM that it uses for phone calls.
> >>>
> >>>I have a client with a voip monitoring device
> that
> >>>      
> >>>
> >>is set to 10ms g711
> >>    
> >>
> >>>and it is giving some SLA errors. I just want to
> >>>      
> >>>
> >>double check on CCM
> >>    
> >>
> >>>side if it is to 10ms or 20ms. This box has a 10
> >>>      
> >>>
> >>or 20mx setting for the
> >>    
> >>
> >>>codec.
> >>>
> >>>
> >>>
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> >>
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> >>>_______________________________________________
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> >>>cisco-voip at puck.nether.net
> >>>
> >>>      
> >>>
>
>>https://puck.nether.net/mailman/listinfo/cisco-voip
> >>    
> >>
> >>>
> >>>      
> >>>
> >>    
> >>
> >
> >
> >
> >		
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> >
> >
> >
> >
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> >  
> >
> 



		
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