[cisco-voip] ISDN q921 error

[Wes Sisk]

let's try a little different look.  what does 'debug ccm-manager  
backhaul' give with mgcp config?

MGCP 'registered' is a little different from successfully bringing up  
the TCP session for q931 backhaul to tcp:2428 on CM.

/Wes

On Jan 27, 2006, at 8:06 AM, Ruben Montes ((EU)) wrote:

Yes, it is registered. I’ve tried with H323 and works fine. Maybe an  
issue with the IOS? It seems the router doesn’t negotiate with the PBX.



De: Kris Seraphine [mailto:baryonyx5 at gmail.com]
Enviado el: jueves, 26 de enero de 2006 23:01
Para: Ruben Montes (EU)
CC: cisco-voip at puck.nether.net
Asunto: Re: [cisco-voip] ISDN q921 error



I'm not very familiar with qsig trunking so I could be way off buIt  
sounds like d-channel backhaul is not working.

If you do a show ccm-manager, are you registered to the call agent?

On 1/26/06, Ruben Montes (EU) <Ruben.Montes at eu.didata.com> wrote:

Hi,

I've got this error configuring a trunk E1 qsig between Cisco 2821  
MGCP and MD110 BC9. It seems the router doesn't respond to the sabme  
packets... ANy idea? Maybe a hardware problem?

The controller E1 is up with no alarms and isdn status TEI ASSIGNED.

Regards,



Ruben



Jan 26 16:07:25: %CLEAR-5-COUNTERS: Clear counter on all interfaces  
by repsol on vty0 (172.26.70.34)

Jan 26 16:09:50: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0

Jan 26 16:09:50: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &  
vsc_wants_L2_up = FALSE

Jan 26 16:09:51: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0

Jan 26 16:09:51: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &  
vsc_wants_L2_up = FALSE

Jan 26 16:09:52: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0

Jan 26 16:09:52: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &  
vsc_wants_L2_up = FALSE

Jan 26 16:09:53: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0

Jan 26 16:09:53: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &  
vsc_wants_L2_up = FALSE


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-- 
kris seraphine

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