<div>OK, tel me put my share of experience. I have a PRI & TE212P which had onboard VMP & echo cancellation.</div> <div> </div> <div>I am using Asterisk-1.2-18. the DTMF issue was really bad. It rang the wrong extension some tings rang invalid extension. In the begining I didnt knew that it was an DTMF issue. Then to resolve this I enbled hardware DTMF in my TE212P card which worked fine, but still had issue with detecting DTMF Down 'f' signals during voice calls, due to which calls got dropped ? was the calls dropped... this was when during conversation DTMF Down 'f' signal was detected then a FAX line was initiated bcos it saw a 'f' signal, this was bcos in zapata.conf I had allowed FAX. I had to disable FAX in zapata.conf to resolve that issue. But daily I see at least more than 50 counts of DTMF Down 'f' signal getting detected in voice calls.</div> <div> </div> <div>So my question is the
common issue which I see in this posting and mine is Asterisk 1.2-18 version, do anyone have same issue. Its bcos of hardware DTMF I am able to use Astersik, else its not worthy of that version to detect DTMF properly & changed the DMF relaxed & many other options, recompiled the sources to decrease the DTMF threashold value for DTMF(this is for hardware DTMF).<BR></div> <div>--</div> <div>Deepak</div> <div><BR><B><I>Noah Miller <noahisaacmiller@gmail.com></I></B> wrote:</div> <BLOCKQUOTE class=replbq style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #1010ff 2px solid">> >> i am using tdm400P in my office. i tested that TDMF generated by asterisk<BR>> >> is so bad. the sound is very soft and quality is so bad. i am using<BR>> >> asterisk 1.2.18. most of time, the # key can not be detected correctly.<BR>> >> Does anyone has that problem?<BR>> >> please give me a hit for that problem!<BR>>
><BR>> > The only time I've heard of that problem is when VoIP is involved. I've<BR>> > never heard of this problem when the call is all analog, like with a<BR>> > TDM400P.<BR><BR>1. If asterisk is detecting DTMF, the parameter "relaxdtmf=" can<BR>affect DTMF detection.<BR><BR>2. Have you checked your handsets on both ends of the call? Some<BR>handsets try to filter out DTMF tones.<BR><BR>3. Is voice quiet on your calls, too, or is it just DTMF? It's<BR>possible to affect overall signal levels in zapata.conf. Can you post<BR>the relevant portion of your zapata.conf?<BR><BR><BR>- Noah<BR><BR>_______________________________________________<BR>--Bandwidth and Colocation Provided by http://www.api-digital.com--<BR><BR>asterisk-users mailing list<BR>To UNSUBSCRIBE or update options visit:<BR>http://lists.digium.com/mailman/listinfo/asterisk-users<BR></BLOCKQUOTE><BR><p> 
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