I have problems with a ISDN-Pri and a 3845 Gateway. It looks as a layer 2 problem on the E1 connection.
Is this a configaration issue on the 3845 gateway or a providor problem ?
039860: Mar 31 16:24:55.065: ISDN Se0/0/0:15 Q921: User RX <- SABMEp sapi=0 tei=0
039861: Mar 31 16:24:55.065: ISDN Se0/0/0:15 Q921: S4_SABME: BACKHAULED & vsc_wants_L2_up = FALSE