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<TITLE>RE: [cisco-voip] PSTN connection terminated before error message</TITLE>
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<P>Hi,</P>
<P>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? </P>
<P>The controller E1 is up with no alarms and isdn status TEI ASSIGNED.</P>
<P>Regards,</P>
<P> </P>
<P>Ruben</P>
<P> </P>
<P>Jan 26 16:07:25: %CLEAR-5-COUNTERS: Clear counter on all interfaces by repsol
on vty0 (172.26.70.34)</P>
<P>Jan 26 16:09:50: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0</P>
<P>Jan 26 16:09:50: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &
vsc_wants_L2_up = FALSE</P>
<P>Jan 26 16:09:51: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0</P>
<P>Jan 26 16:09:51: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &
vsc_wants_L2_up = FALSE</P>
<P>Jan 26 16:09:52: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0</P>
<P>Jan 26 16:09:52: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &
vsc_wants_L2_up = FALSE</P>
<P>Jan 26 16:09:53: ISDN Se0/0/0:15 Q921: Net RX <- SABMEp sapi=0 tei=0</P>
<P>Jan 26 16:09:53: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED &
vsc_wants_L2_up = FALSE</P></FONT>
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