On Wed, Jan 7, 2009 at 6:39 PM, tester tato <testeado...@gmail.com> wrote:
> Hello everyone, > > Thanks in advance if anyone wants to help me in a couple of questions; I > set up my fs plant and included a grandstream fxo gateway gxw4104, the > gateway redirects all incomming calls from the PSTN to the extension 1005 > (with its default sample configuration). > This is what happens: > > 1. I get a call from the PSTN, pick it up and i decide to put it on hold > while i do something else, the caller hears the moh. > 2. If the caller gets tired or bored of waiting and hangs up, my FS > plant doesnt realize that the caller hung up, so the channel stays busy, so > does the gateway line and my phone still acts as if i had a call on hold. > 3. When i pick up the phonecall that was on hold all i hear (obviously) > is the busy tone from the PSTN. > > My questions are: > Is this behavior only from this particular gateway? or does it happen with > other FXO devices. > Is there a way to specify that i want the call to hang up itself when the > caller hangs up so the channel gets released? > > I know that the call actually gets hanged up and realeases the channel if > the caller was another SIP extension on my plant, it just doesn't work with > calls from the pstn under my configuration. > > I highly appreciate any light you can throw to me on this matter. > You might need to use tone_detect<http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_tone_detect>. See the example at the bottom (this is how I use it to detect a hang up as my telco doesn't vary the voltage levels on hangup) - Gonzalo
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