[cisco-voip] 12.4(11)T3 IOS MGCP issues

[Erick Bergquist]

Call Manager 4.1(3)sr2
There are also multiple sites (gateways) using this server with no problem.

On 10/2/07, Dennis Hartmann <dennisjhartmann at hotmail.com> wrote:
>
>         I'm using IOS 12.4(11XJ) and Call Manager 5.0(4) in some of my Call
> Manager courses.  The ccm-manaager config download is giving me LOTS of
> intermittent problems.  When I hard code dial-peer entries with the service
> mgcpapp command, the problem goes away, but I can not rely on the TFTP
> download.
>
>         What version of Call Manager are you using?
>
>
> Sincerely,
>
> Dennis J. Hartmann
> White Pine Communications
> CCIE# 15651
> CCVP/CCSI/CCIP/CCNP/MCSE
> Phone: (914) 980-0316
> Fax: (914) 470-0121
>
> -----Original Message-----
> From: cisco-voip-bounces at puck.nether.net
> [mailto:cisco-voip-bounces at puck.nether.net] On Behalf Of Erick Bergquist
> Sent: Tuesday, October 02, 2007 4:42 PM
> To: cisco-voip at puck.nether.net
> Subject: [cisco-voip] 12.4(11)T3 IOS MGCP issues
>
> Does anyone know of an issue with MGCP in 12.4(11)T3 IOS?
>
> Had a 2800 ISR series gateway stop accepting/placing calls the other
> day, and had to reboot the gateway to fix the issue.  No MGCP / MGCP
> did not work. When you reset the gateway from call manager it did not
> reset (ccm-manager config is in router config). Shutting down the T1
> controller on the gateway and bringing it back up did not resolve it
> either. When we tried to switch it over to backup call manage
> (ccm-manager switchover-) it kept trying to register on the other call
> managers but never did. Other gateways were registered to these just
> fine, so after all this it seemed MGCP went whacko and lost its mind
> so we rebooted the gateway and all has been fine since. Doing a bug
> search doesn't come up with any bugs matching this behavior either.
>
> We were on 12.4(9)T before, but each time the gateway lost it's MGCP
> connection MGCP would not come up cleanly and needed to manually
> bounced (no mgcp/mgcp) to come back. So we upgraded to a newer IOS
> version and MGCP has been recovering on it's own when it lost
> connection over WAN until the issue yesterday.  I've had issues with
> 12.4(15)T and 12.4(15)T1 places and used 12.4(11)T3 here because that
> has worked elsewhere without problems until now.
>
> In the ISDN q931 debug, the call would come in and immediately get an
> unallocated/unassigned as a cause code back to the carrier from the
> Call Manager. But the CCM Detailed trace from time did not show any
> inbound MGCP activity (yea, I was on the right call manager and looked
> at all the traces from both the servers to make sure).
>
> Erick
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