Pulse to tone convertors
Prasad Khandkar (prasadk@winsoftech.com)
Fri, 20 Aug 1999 18:16:00 +0530
Sure, these phones you are talking about are no problem at all - just
switch to tone
mode from pulse after the call is established (usually by pressing the *
button).
The one's that are a real problem are the rotary types - only pulse no
tone
prasad
Dana C. wrote:
> I don't know what the phone sets are like in India, but most here in the US can switch
> between outputting dialpulse and outputting tones. Once the call is answered by the
> called modem, it no longer matters what type of arrangement is made with the phone
> company - switching the phone to "tones" mode will cause tones to be sent to the called
> modem. Kind of a pain for the caller, but it works...
>
> -Dana
>
> mgetty-return-6782-danacc=planetall.com@crynwr.com wrote:
>
> > Gert Doering wrote:
> >
> > > Hi,
> > >
> > > On Wed, Aug 18, 1999 at 09:36:56AM +0530, Prasad Khandkar wrote:
> > > > Back here in India, people still ask for support for pulse dialling (you
> > > > know
> > > > those old "rotary" phone instruments). Since none of the voice modems
> > > > support pulse,
> > >
> > > Huh? I have never seen a modem that doesn't do pulse dialing - just
> > > specify "ATP&W" and it will do pulse next time you use ATD...
> > >
> > > Or force it with "ATDP<number>".
> > >
> >
> > Sorry to mislead you - i was not talking about "caller" side voice modems,but about
> > answer side voice modem which will receive "pulses", instead of
> > tones as input. For example, instead of the tone 3, it will actually receive
> > 3 pulses - as if being dialled by the caller from a rotary instrument. Usually,
> > our voice modem will just ignore it, and the caller from a rotary telephone
> > won't be able to use the facility.
> >
> > > > i understand there is standard equipment that sits
> > > > between the phone line and the voice modem, called a pulse-to-tone convertor.
> > >
> > > Never heard about something like this.
> > >
> >
> > I looked up http://www.mmdimensions.com/telstore/pulse.html which hassome
> > technology background on these devices. Apparently even in the U.S.,
> > 35% of the households still have rotary dialling. And i thought we in India
> > were behind .... :-)
> >
> > Anyone else who can enlighten me about such devices and their price/availability?
> >
> > Thanks a lot
> >
> > Prasad Khandkar
> > Winsoft Technologies India
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