Quick question: do you do anything interesting in the dialplan prior to calling the script? For posterity's sake could you paste the extension info here as well? Thanks, MC On Fri, Apr 17, 2009 at 11:47 AM, <pete@privateconnect.com> wrote:

below is the lua script that is running when the caller dials in. As mentioned before, swaping the streamFile and sleep make the problem go away.

I am experiencing different issues all related to DTMF tones, again, I don't think FS is the problem. But I'm wondering how to find the culprit.

Issues: 1. for 4-5 hours the other day I could not detect the 1,2,3 tones, but 4-0 worked fine. 2. Using some cellphones (iphone) the digits take 1-2 seconds each to be received by FS, no matter how fast the digits were typed on the phone's keypad.

I believe the isuse with #2 is somewhere in the iphone/ATT as I can call other IVR systems and sometimes get the same problem. (Etnering a 10 digit phone number will take 15 seconds to be recognized, because the digits seem to be spaced 1-2 seconds apart)

Issue #1 is the more problematic one. It occurs intermittently, and for hours at a time, and then everything goes back to normal.

Thanks for your help -pete

------- BEGIN SCRIPT -------

function cbPIN(ses, type, data, arg) if (type == "dtmf") then freeswitch.consoleLog("info", "DIGIT: " .. data.digit) local d = ses:getVariable("private_digits") if ((d == nil) or (d == "")) then d = data.digit else d = d .. data.digit end ses:setVariable("private_digits", d) if (d == "1234") then return "break" end end end

function inboundToHotline(isUser) if (isUser == true) then session:setInputCallback("cbPIN") session:streamFile(soundDir .. "thank-you-for-calling") --session:sleep(20000) if (session:getVariable("private_digits") == "1234") then session:transfer("privateMenu", "XML", "public") else session:hangup() end else session:streamFile(soundDir .. "thank-you-for-calling") session:hangup() end end

if (session:ready()) then session:answer() session:sleep(500) inboundToHotline(true) end

-------- Original Message -------- Subject: Re: [Freeswitch-users] Issues detecting DTMF tones From: Brian West <brian@freeswitch.org> Date: Thu, April 16, 2009 2:27 pm To: freeswitch-users@lists.freeswitch.org

What are you doing exactly? Can you provide us an example. /b

On Apr 16, 2009, at 3:49 PM, Pete Mueller wrote:

Hey guys. Has anyone else experienced the inability to detect/receive DTMF tones? Just yesterday I had about 4-5 hours where One of my IVR scripts would not detect 1, 2 or 3, but detected the other digits perfectly. If I removed the sound file that was playing, and substituted silence it worked, add the sound file in, and it broke. I have a strong feeling that this is not an issue with FS, but with an upstream system. But wanted to know if anyone has seen this before, and how they went about identifying the culprit and/or fixing it.

Some background: - Using FS trunk - Both legs of the call were via SIP gateway. - Setting loglevel to 9 (console and sofia) showed that the RTP packets were not received by FS for 1/2/3 but were received for other digits - Both legs of calls were to/from ATT cell phones - Was using session:setInputCallback() to receive tones, did not test with playAndGetDigits()

Thanks for any help. -pete

Brian West brian@freeswitch.org

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