<div dir="ltr">[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. <div>
<br></div><div>To detect cadence, mod_spandsp is recommended <a href="http://wiki.freeswitch.org/wiki/Mod_spandsp#Call_Progress">http://wiki.freeswitch.org/wiki/Mod_spandsp#Call_Progress</a></div><div><br></div><div>It fires Events so a script is needed to catch them and fire the hangup signal. </div>
<div><br></div><div>/Nandy<br><div class="gmail_extra"><br>
<br><br><div class="gmail_quote">On Tue, Oct 22, 2013 at 6:05 PM, xmppser <span dir="ltr"><<a href="mailto:xmppser@gmail.com" target="_blank">xmppser@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-color:rgb(204,204,204);border-left-style:solid;padding-left:1ex">
Hi，<br>
I have this issue also, I use sangoma A400, use sip phone call pstn mobile,<br>
when mobile hangup,<br>
the sip phone can not hangup, i have add tone_detect app in dialplan, it<br>
seems sangoma A400 and freetdm can not detect busy tones or disconct<br>
srperversion from pstm. but asterisk & zaptel have this detect.<br>
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