On Sun, Dec 5, 2010 at 1:24 PM, mayamatakeshi <mayamatakeshi at gmail.com>wrote: > > On Sun, Dec 5, 2010 at 12:59 PM, Jose Suarez <jsuarez at padirac.com.ar>wrote: > >> Yes, I know wireshark, but I would like to know if someone had this >> problem before, because I make thousands of calls per day and if very >> dificult to me analyze call per call to see what happen with the packets. >> But if this the only solution, so I will prepare a test scenario and I will >> test in it. >> For that, I ask you if the problem could be the codec, because the >> software is in production now, and I must to solve that problem quickly, so >> if the problem is the codec I will change it. >> > > I use pjsip to write testing tools. > I really don't believe it is related to codec. I myself never saw such > problem. > However, if the end-point is a PSTN gateway that converts TDM audio to RTP, it probably converts DTMF tones to RFC2833 digits. And it is a known problem that some people has a high-pitch voice that can mislead the DTMF detector and so causing it to send wrong DTMF RFC2833 tones to the VoIP side. Ex: http://www.zdnet.com/blog/ip-telephony/high-pitch-voice-women-and-vonage-calls-sometimes-dont-mix/1408 -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.pjsip.org/pipermail/pjsip_lists.pjsip.org/attachments/20101205/8e3a49df/attachment.html>
