----- Original Message -----

From: John Carpenter

To: FreeSWITCH Users Help

Sent: Tuesday, January 25, 2011 10:22 AM

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

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@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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