[cisco-voip] strange isdn error

[joshua sahala]

hello all,

i'm troubleshooting a strange voip issue.  when i make a call, i am
getting the following error:

Jun 18 22:15:52.914: ISDN Se7/0:1:23 **ERROR**: call_cleared: VOICE
ERROR: NULL VDEV Common(0xFC): bchan -1, call id 0x86C8

everything looks like it is setting up ok, and the isdn messages look
normal, but i cannot find any reference to this particular message.  
the gateway is a 5400, using an ivr application, and getting then asking
a gatekeeper where to send the call.  the ivr works, the call gets
routed by the gatekeeper, then it goes to fast busy and disconnects -
this is on an international call.

some config snippets:
interface Serial7/0:1:23
 no ip address
 isdn switch-type primary-5ess
 isdn incoming-voice modem 64
 isdn map address . plan isdn type national
 isdn negotiate-bchan
 isdn bchan-number-order ascending
 no cdp enable

dial-peer voice 100 pots
 huntstop
 application debitcard
 incoming called-number T
 destination-pattern T
 progress_ind progress enable 8
 port 7/0:1:D
!
dial-peer voice 105 voip
 destination-pattern T
 voice-class codec 1
 session target ras
 dtmf-relay rtp-nte h245-signal h245-alphanumeric

i have tried with the isdn plan being national and unknown with the same
error.

thanks

/joshua
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