[Asterisk-Users] DTMF feedthru again...

[Doug Crompton]

The only thing I have found that tends to point to an * problem is

http://bugs.digium.com/view.php?id=6667

It is a long read and I have no ideas what the disposition is. It was a
discussion back in late March. This seems to apply to all or many SIP
connected devices and around implementation of the RFC. Someone had an rtp
patch which they claimed worked and it later was taken back out. Digium is
working on it. These are a few of the things I get from the thread.

Doug


On Tue, 6 Jun 2006, Mike Lynchfield wrote:

> in Fact we saw similar problems with all sipura products.
>
> We think its a default value thats not quite right for the north american
> market, these units are built and tested in asia mostly.
>
> one simple test to check it out is call this number
> www.nextwavetitaniumplus.com Toll-Free Account Information Line:
> 888-252-9535
> it just seemd that even the cisco is not passing the dtmf ..
>
> Can anyone confirm ?
>
>
>
> On 6/6/06, Doug Crompton <doug at crompton.com> wrote:
> >
> > Also to expand on this... when listening to opposing phone in a connected
> > call over PSTN you hear a click followed by a very short burst of DTMF
> > audible energy. Same in both directions.
> >
> > I can't be the only one having this problem!
> >
> > Doug
> >
> > On Tue, 6 Jun 2006, Tom Vile wrote:
> >
> > > try setting dtmf playback length to .5 in the admin section of the
> > > Sipura and try again.
> > >
> > > On 6/6/06, Doug Crompton <doug at crompton.com> wrote:
> > > > Ok trying this again... is there anyone using the SPA-3000 with * ????
> > > > I am not sure if this is a specific problem to it or not. This is
> > > > something I really need to fix!!!
> > > >
> > > > When dialing out using * interfaced to an SPA-3000, fxs,fxo, I cannot
> > > > access (reliably) DTMF menus at the called party, after call
> > completion.
> > > > Dialing DTMF is fine.
> > > >
> > > > I checked by calling myself. Listening to either end on a completed
> > call,
> > > > and pressing a DTMF button on the opposing phone results in an audible
> > > > click and very little if any audible DTMF energy being heard.
> > > >
> > > > What is muting the DTMF??? Does * have anything to do with this? I am
> > > > not using any dial flags.
> > > >
> > > > I tried 'inband' in all places with no difference. At one point this
> > > > seemed like a * feature problem and I thought removing dial flags
> > fixed
> > > > it but that does not now seem to be the case.
> > > >
> > > > How can I fix this???
> > > >
> > > > Doug
> > > >
> > > > ****************************
> > > > *  Doug Crompton           *
> > > > *  Richboro, PA 18954      *
> > > > *  215-431-6307            *
> > > > *                          *
> > > > * doug at crompton.com        *
> > > > * http://www.crompton.com  *
> > > > ****************************
> > > >
> > > >
> > > > _______________________________________________
> > > > --Bandwidth and Colocation provided by Easynews.com --
> > > >
> > > > Asterisk-Users mailing list
> > > > To UNSUBSCRIBE or update options visit:
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> > > >
> > >
> > >
> > > --
> > > Tom Vile
> > > Baldwin Technology Solutions, Inc
> > > Consulting - Web Design - VoIP Telephony
> > > www.baldwintechsolutions.com
> > > Phone: 518-631-2855 x205
> > > Fax:     518-631-2856
> > > _______________________________________________
> > > --Bandwidth and Colocation provided by Easynews.com --
> > >
> > > Asterisk-Users mailing list
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> > >
> >
> >
> > "Those that sacrifice essential liberty to obtain a little temporary
> > safety
> > deserve neither liberty nor safety."  -- Ben Franklin (1759)
> >
> > ****************************
> > *  Doug Crompton           *
> > *  Richboro, PA 18954      *
> > *  215-431-6307            *
> > *                          *
> > * doug at crompton.com        *
> > * http://www.crompton.com  *
> > ****************************
> >
> >
> > _______________________________________________
> > --Bandwidth and Colocation provided by Easynews.com --
> >
> > Asterisk-Users mailing list
> > To UNSUBSCRIBE or update options visit:
> >    http://lists.digium.com/mailman/listinfo/asterisk-users
> >
>


"Those that sacrifice essential liberty to obtain a little temporary safety
 deserve neither liberty nor safety."  -- Ben Franklin (1759)

****************************
*  Doug Crompton	   *
*  Richboro, PA 18954	   *
*  215-431-6307		   *
*		  	   *
* doug at crompton.com        *
* http://www.crompton.com  *
****************************