[cisco-voip] FXO ports and registering with CCM

Nick Matthews matthnick at gmail.com
Sat Mar 27 23:14:40 EDT 2010


The common problem is forgetting to add the domain name to the name
entered in CUCM.

Do a 'show mgcp' and it should say the name it's registering with (2nd
line I believe).  It will be hostname.domain.com

The router never knows whether or not a FXO or FXS port is plugged in,
so it should register regardless.

If you do a 'show voice port summary' you should see whether the ports
are in a good state or not.

'debug mgcp packet' is more helpful for determining the cause.

Sometimes resetting the TFTP service in CCM helps with the TFTP errors.

-nick

On Sat, Mar 27, 2010 at 8:27 PM, Lelio Fulgenzi <lelio at uoguelph.ca> wrote:
> I've finished configuring a couple of FXO port (with Ground Start) and CUCM
> has an IP address for the ports, but they're not registered yet. I have put
> the appropriate MGCP and ccm-manager commands based on another router and
> CCO documents.
>
> I have two questions:
>
> should these ports register unplugged or do I have to plug in the trunk line
> before they will register?
> I noticed some TFTP errors on the MGCP status, I'm thinking that's not good
> (see below config)
>
> ________________________________
> !
> voice-port 0/2/0
>  signal groundStart
> !
> voice-port 0/2/1
>  signal groundStart
> !
> ccm-manager fallback-mgcp
> ccm-manager mgcp
> ccm-manager config server 10.104.91.105
> ccm-manager config
> !
> mgcp
> mgcp call-agent 10.104.91.105 2427 service-type mgcp version 0.1
> mgcp fax t38 ecm
> mgcp bind control source-interface Loopback104
> mgcp bind media source-interface Loopback104
> mgcp behavior g729-variants static-pt
> !
> mgcp profile default
> !
> dial-peer voice 9020 pots
>  service mgcpapp
>  port 0/2/0
> !
> dial-peer voice 9021 pots
>  service mgcpapp
>  port 0/2/1
> !
> ________________________________
> vgw-jnhn-a#show ccm-manager config-download
> Configuration Auto-Download Information
> =======================================
>  No configurations downloaded
> Current state: Downloading XML file
> Configuration Download statistics:
>         Download Attempted             : 1
>           Download Successful          : 0
>           Download Failed              : 0
>           TFTP Download Failed         : 3
>         Configuration Attempted        : 0
>           Configuration Successful     : 0
>           Configuration Failed(Parsing): 0
>           Configuration Failed(config) : 0
> Last config download command:
> Configuration Error History:
> ________________________________
> ---
> Lelio Fulgenzi, B.A.
> Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1
> (519) 824-4120 x56354 (519) 767-1060 FAX (JNHN)
> ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
> Cooking with unix is easy. You just sed it and forget it.
>                               - LFJ (with apologies to Mr. Popeil)
>
>
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>
>



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