[Freeswitch-users] dtmf problems when using flowroute

Michael Jerris mike at jerris.com
Thu Jan 7 09:44:56 MSK 2016


The sip trace would indicate otherwise.  I would confirm for sure they are
not getting what you are sending, if so, something is in between you and
them modifying the sip traffic, most likely a sip alg on a router or
firewall.  If so, try disabling that.  Also, you might want to review your
codec settings as you are transcoding in this case for no reason, you might
want to switch around settings to minimize this.

On Wednesday, January 6, 2016, <covici at ccs.covici.com> wrote:

> hmmm, flowroute is telling me I am not sending
> a=rtpmap:0 PCMU/8000^M
> a=rtpmap:101 telephone-event/8000^M
>
> I don't see how this is possible, it looks like I can see those lines in
> the log.  Any other ideas?  I can do a sip trace if that would help.
>
>
> Russell Treleaven <rtreleaven at bunnykick.ca <javascript:;>> wrote:
>
> > look at the sdp, there was an issue with dtmf and sample rate not being
> > 8000.
> >
> > On Tue, Jan 5, 2016 at 11:18 AM, <covici at ccs.covici.com <javascript:;>>
> wrote:
> >
> > > Hi.  I am having dtmf problems when calling numbers via flowroute.
> They
> > > seem not to detect the dtmf at all.  I am using 2833 in all cases.
> Have
> > > you done anything in say the last 4 or 5 months which might be related?
> > > I am not having these problems when using another carrier, so I am
> quite
> > > puzzled.
> > >
> > > Thanks in advance for any suggestions.
> > >
> > > --
> > > Your life is like a penny.  You're going to lose it.  The question is:
> > > How do
> > > you spend it?
> > >
> > >          John Covici
> > >          covici at ccs.covici.com <javascript:;>
> > >
> > >
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> --
> Your life is like a penny.  You're going to lose it.  The question is:
> How do
> you spend it?
>
>          John Covici
>          covici at ccs.covici.com <javascript:;>
>
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>
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