[Freeswitch-users] IVR Bridged Call Dropping after 2 rings

[Michael Collins]

Do they absolutely require RTP? If so then add a "pre_answer" app to your
dialplan before you bridge to your local endpoint. See
http://wiki.freeswitch.org/wiki/Misc._Dialplan_Tools_pre_answer for more
information.

-MC

On Tue, Jan 25, 2011 at 7:22 AM, John Carpenter <john at 247-talk.co.uk> wrote:

>  Hi, I have now traced the problem down to the SIP tunk provider having a
> timeout of 10 seconds. If they receive no signalling or RTP for 10 seconds
> they drop the call. If I had known this earlier I would not have signed up
> with them but its too late now.
> So the question is how do I get FS to send RTP back to SIP trunk when a
> call is being bridged, it currently dies if extension not answered in 10
> seconds. Have tried proxy_media and bypass_media without any success. My
> extensions are remote and using NAT.
>
> regards, John
>
>
> On Mon, 2011-01-24 at 12:28 -0800, Michael Collins wrote:
>
> Can you pastebin a debug log with a siptrace? Also, pastebin your dialplan.
> I think we can help with this but I want to see what you're doing before I
> suggest anything.
>
>
>
>  -MC
>
>  On Fri, Jan 21, 2011 at 5:57 PM, John Carpenter <john at 247-talk.co.uk>
> wrote:
>
>  Hi, I am trying to setup a very simple IVR using LUA. Call arrives from a
> DID SIP trunk and is answered and message is played ok, after a particular
> digit is pressed it bridges the call to an extension which is remotely
> connected. It works but after 2 rings the call to the extension is dropped
> with a SIP message "BYE" from DID provider. If I just route the call
> directly to the extension (no IVR) it works fine. It seems like the DID
> hangs up when the call is bridged to the extension. Have tried same thing
> using the XML IVR Engine and get exactly the same result. The IVR script is
> below
>
> pathsep = '/'
> session:setAutoHangup(false);
> session:answer()
> prompt = "ivr" .. pathsep .. "247talk.wav"
> invalid = "ivr" .. pathsep .. "ivr-that_was_an_invalid_entry.wav"
> freeswitch.consoleLog("INFO", "Prompt file is '" .. prompt .. "'\n")
> continue = true
>
> while( session:ready() == true and continue == true) do
>         digits = session:playAndGetDigits(1,1,3,7000,"#", prompt, invalid,
> "\\d+")
>         if (digits == "1") then
>                 continue = false
>
> session:execute("bridge","sofia/external/2476%91.xxx.xx.xx")
>         end
>         if (digits == "2") then
>
> session:execute("bridge","sofia/external/2475%91.xxx.xx.xx")
>         end
>         if (digits == "3") then
>                 continue = false
>
> session:execute("bridge","sofia/external/2475%91.xxx.xx.xx")
>         end
> end
>
> session:hangup()
>
> Any help with this greatly appreciated it is driving me nuts.
>
> regards, John Carpenter
>
>
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