[cisco-voip] D channel out of service

Mark Holloway mh at markholloway.com
Thu Feb 11 11:26:05 EST 2010


What is the output of "show isdn status" on the router?  Also, try "no mgcp" then "mgcp".


On Feb 11, 2010, at 7:27 AM, Jeff Ruttman wrote:

> Greetings,
>  
> We have a site with a PRI and we have MGCP gateways configured.  Inbound calls give a slow busy.  Outbound calls are OK.  Interface is up up.  GW is registered.  After a shut no shut on the port and GW reset, port comes up and GW registers just fine.  Then I get an RTMT  Mgcp D channel out of service.
>  
> I'm thinking this is a telco problem?  Is there anything I should be doing on my end?
>  
> Thanks
> jeff
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