[asterisk-tech] PRI giving No D-channels available error

Rob Hartzenberg rob.hartzenberg at imaginet.co.za
Wed Jun 11 15:26:11 SAST 2008

I've seen this problem several times when loading and unloading the zap 
modules for PRI.
Unplug the cable, count to 10, and plug it back in. Works every time for me.

I suspect the Telkom side of the line (or even the pri card itself) gets 
a little grumpy
when reloading the kernel modules, and doesn't renegotiate the line as 

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