My customer has a 2811 with a vwic2-1mft-e1/t1 configured as fractional and every incoming call es rejected with this error message:
*Apr 29 09:00:44.169: ISDN Se0/0/0:15 **ERROR**: accept_incoming_data: no hdlc available from controller b channel 0, call id 0xB
I attached the show ver, show run, show isdn status and the q931 debug.
The PRI is fractional, the telco provide 10 channels but they have configured 15 channels.
Thanks in advance