[Freeswitch-users] fs doesn't realize caller hanged up when a call from PSTN is on hold

Michael Collins msc at freeswitch.org
Wed Jan 7 15:55:07 PST 2009

What version of FreeSWITCH are you on? Also, can you get a debug trace from
when the far end hangs up? We definitely need to know if the gxw is alerting
FS to the fact that the far end actually hung up, which is in doubt right


On Wed, Jan 7, 2009 at 12:39 PM, tester tato <testeador01 at 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.
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