[Freeswitch-users] FreeTDM tones.conf Disconnect Supervision

[Nandy Dagondon]

[Solved] I also used tone_detect to hangup the PSTN line. FreeTDM can
detect call progress tone (busy, disconnect) BUT ... as mentioned above it
detects TONES ONLY NOT CADENCE. It works if 2 or more tones are used even
w/o detecting the cadence. It's becomes a problem when only one tone is
used.

To detect cadence,  mod_spandsp is recommended
http://wiki.freeswitch.org/wiki/Mod_spandsp#Call_Progress

It fires Events so a script is needed to catch them and fire the hangup
signal.

/Nandy



On Tue, Oct 22, 2013 at 6:05 PM, xmppser <xmppser at gmail.com> wrote:

> Hi，
> I have this issue also, I use sangoma A400, use sip phone call pstn mobile,
> when mobile hangup,
>  the sip phone can not hangup, i have add tone_detect app in dialplan, it
> seems sangoma A400 and freetdm can not detect busy tones or disconct
> srperversion from pstm. but asterisk & zaptel have this detect.
>
>
>
>
>
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