[Asterisk-Users] Re: Zap channel calling back after hangup (duetopolarity CID detection)

[Anders F Eriksson]

> The problem is the "Got event Ring/Answered(2)" line.
> Normally, a ring should not be detected and the DTMF-cid 
> times out and no incoming call is registered.
> Make sure you load wctdm with the parameter 
> 'opermode=SWEDEN', it might help.
> You might also try to increase the 'RING_DEBOUNCE' define in wctdm.c.
> If you load wctdm with debug=1 it prints some useful 
> information to the kernel log for tuning the RING_DEBOUCE.

Ok, I tried opermode=SWEDEN. That did not make any difference.

After increasing the RING_DEBOUNCE from 64 to 128 ms it no longer calls me
back, but it tries: