[cisco-voip] ISDN q921 error

[Ruben Montes (EU)]

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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