[Freeswitch-users] FreeTDM tones.conf Disconnect Supervision
Nandy Dagondon
nandy1925 at gmail.com
Thu Oct 17 06:27:58 MSD 2013
Hello all,
Our telco recently changed their call progress tones:
Dialtone: 450Hz continuous
Ringback tone: 450Hz/1 sec ON 4 sec OFF
Busy tone: 450Hz/360ms ON 360 OFF
Attn: 950Hz/continuous (0db)
The way I understand it, FXO listens for the dialtone then sends DTMF
tones. After this, it expects either the Ringback or Busy tone. I read
Michael Collin's post that FreeTDM doesn't detect (as of now) cadence.
http://permalink.gmane.org/gmane.comp.telephony.freeswitch.user/36531
Questions:
1. What state will FreeTDM go when it detects 450Hz? Ringing or Busy? I
presume it would be Ringing or it would hangup.
2. Can I use tone_detect to distinguish them? Can I use a series of
tone_detects? Any suggestion where to go?
If not ...
My last recourse will be - wait for the Attn tone. But ... will FreeTDM
jump to hangup the call upon detecting this?
Thanks,
/Nandy
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