I had an opportunity earlier than expected, so I made calls to two of our Customers and ran traces.
ftp://ftp.lynk.com/DTMF.xml ftp://ftp.lynk.com/DTMF2.xml Mike Burden Lynk Systems, Inc e-mail: [email protected] Phone: 616-532-4985 From: [email protected] [mailto:[email protected]] On Behalf Of Burden, Mike Sent: Wednesday, March 10, 2010 9:27 AM To: [email protected] Subject: Re: [sipx-users] DTMF Issues Revisited From: Tony Graziano [mailto:[email protected]] Sent: Wednesday, March 10, 2010 8:36 AM To: Burden, Mike Cc: Scott Lawrence; [email protected] Subject: Re: [sipx-users] DTMF Issues Revisited A real siptrace of a call that DTMF did not work properly on with a description indicating what was pressed might actually be helpful. I didn't realize that a sipxtrace went down to that level. I'll capture one this afternoon. Version of sipxecs? Polycom Bootrom? Polycom Firmware? What ITSP? All of these questions (except the name of the ITSP) were answered in the message you responded to: Polycom IP550 and Polycom IP650 phones Bootrom: 4.2.0.0310 Firmware: 3.1.3.0439 sipXecs: 4.0.4 The ITSP is Michigan Network Solutions. I used to have this problem with my cellphone (independent if sipx) and I had to enabled a function on my cellphone to allow me to control the duration of a key press. The default setting for this in sipx 4.0.4 are: <DTMF tone.dtmf.level="-15" tone.dtmf.onTime="50" tone.dtmf.offTime="50" tone.dtmf.chassis.masking="0" tone.dtmf.stim.pac.offHookOnly="0" tone.dtmf.viaRtp="1" tone.dtmf.rfc2833Control="1" tone.dtmf.rfc2833Payload="127" /> For Polycom IP550/650 and sipXecs 4.0.4, the default for Payload is "101", not "127". We started with the default settings, and we've incremented the DTMF On/Off time and DTMF Level a number of times without solving the problem. I am somewhat doubtful that the DTMF setting are at issue here. I say that because whether through an Ingate, PRI or sipxbridge I have never seen this. All the above does is indicate someone pressed a key a bunch of times. I'm perfectly willing to believe that, since we've tried every DTMF setting suggested to us without solving the problem. Is a siptrace available? I can get one this afternoon. Mike Burden Lynk Systems, Inc e-mail: [email protected] Phone: 616-532-4985 Tony
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