[cisco-voip] MGCP Fallback to H323 fails with frac pri and ccm-manager config

[Kevin Thorngren]

No, this is not a bug.  CallManager does not support fractional T1/E1 
MGCP ports.  So with the "ccm mananger config" command, CallManager 
will update the GW with the config file which includes all the channels 
for the T1/E1 port.

Kevin
On Nov 3, 2006, at 10:34 AM, Jason Aarons ((US)) wrote:

> Before resetting gateway 12.4(9)T in CallManager via CCMAdmin
> controller t1 0/0/0
> pri-group timeslots 1-10,24 service mgcp
> !
> ccm-manager config
>  
>  
>  
> After resetting gateway in CallManager
> controller t1 0/0/0
> pri-group timeslots 1-24 service mgcp
> !
> ccm-manager config
>  
> The Trombone feature in ccm-manager config would replace the 10 
> channels with all 23 B Channels causing SRST to attempt to use Channel 
> 23 which doesn’t exist, resolution was to remove “ccm-manager config”
>  
> Is this a bug in CallManager?
>  
>  
>
> From: Jason Aarons (US)
> Sent: Tuesday, October 31, 2006 8:28 PM
> To: cisco-voip at puck.nether.net
> Subject: RE: [cisco-voip] MGCP FAllback to H323
>  
> In 12.4(4)XC I had FXS ports randomly shutdown on 2811/VIC2-4FXO, fix 
> from TAC was to remove ccm config -jason
>  
>
> From: cisco-voip-bounces at puck.nether.net 
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Joe Pollere 
> (US)
> Sent: Tuesday, October 31, 2006 7:09 PM
> To: Ruben Montes (EU); cisco-voip at puck.nether.net
> Subject: Re: [cisco-voip] MGCP FAllback to H323
>  
> Ruben,
>  
> Had similar issues in the past; If you are using the ccm config server 
> and ccm config commands Tac says that there is a long history of 
> problems with them. Once the ports are initially configured via CM 
> (and ccm config server); the ccm config server and ccm config command 
> should be removed.
>  
> Joe
>  
>
> From: cisco-voip-bounces at puck.nether.net 
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Ruben Montes 
> (EU)
> Sent: Tuesday, October 31, 2006 2:46 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] MGCP FAllback to H323
>  
> Hi,
>  
> I’m having several problems using this functionality in routers 
> running MGCP with BRI ports. When the callmanager goes offline, all 
> works fine, but when the callmanager is up again, the router cannot 
> register with the Callmanager. I’ve also noticed that there are a lot 
> of commands that have ‘disappeared’ form the config, causing the 
> router to behave in this way.
>  
> Does anybody have this config working properly? I have the same 
> situation in two customers, I don’t know if it is an IOS problem or 
> what: there is no bug related with that for the release I’m using 
> (Version 12.4(4)T4)
>  
> Thanks in advance,
>  
> Ruben
>  
>
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