[Asterisk-Dev] how to modify dsp.c so that It can detect busytone outside US?

[Marcelo Pacheco]

Also works in Brazil with the Standard busy tone, and 2 diferent PBXs (one 
NEC, another a Brazilian one that seems to use the Finland tones).

Marcelo Pacheco

Em Sex 12 Nov 2004 08:50, Matteo Brancaleoni escreveu:
> Il ven, 2004-11-12 alle 07:32, dev2003 at mail.ustc.edu.cn ha scritto:
> > how to modify dsp.c so that It can detect busytone outside US?
>
> I don't think that is an easy task
>
> > in /etc/asterisk/zapata.conf
> > busydetect=yes
> > busycount=4
> > callprogress=no
> >
> > when set callprogress=yes ,can not answer the call.
>
> of course
>
> > BUT busydetect can not  detect hangup,callprogress can not detect hangup
> > outside US,
>
> thats wrong. busydetect doesn't look for any frequency, but only
> for a regular repetition of tones/spaces (more or less)
> busydetect works without problems here in italy and other non-us
> countries.
>
> > Tone plan :
> > busy tone    450Mhz 0.35s<On Time(ms)> 0.35<Off Time(ms)
> > how to modify dsp.c to detect busy tone  450Mhz 0.35s<On Time(ms)>
> > 0.35<Off Time(ms)?
>
> 450Mhz ???? :)
>
>
> Matteo