Re: drivers/telephony and winmodems

From: Steve Underwood (steveu@coppice.org)
Date: Wed Jan 19 2000 - 08:45:20 EST


Hi,

Pavel Machek wrote:

> Hi!
>
> > On other Unixen (and the Non-functional Telephony platform) every CTI vendor
> > has their own interfaces (someone say "TAPI". I need a good
> > laugh). With
>
> TAPI :-)
>
> > nothing to apply suitable pressure they are going to do the same on Linux,
> > when they finally wake up and get serious about it. Some vendors (e.g. Pika
> > and NMS) have had beta drivers for months, with little progress. It is unclear
> > what their real intentions are. Dialogic looks like it is about to enter the
> > frey, with more beta drivers. Again its intentions are unclear, but I'm damned
> > certain a core intention is to keep everything as proprietary as possible.
> > A strong framework being pushed from within Linux development itself might
> > mitigate this somewhat. Anyone have any thoughts on this?
>
> Are not current "winmodems" serious competition to so-called telephony
> devices? They tend to be cheap...
> Pavel

Hey, Pavel, the socket on these Winmodems doesn't seem to fit the plug from my E1
line. Do you have an adaptor?

Seriously, most telephony hardware is multi-line (up to 4xE1 and 120 channels of
voice processing per card currently), approved in lots of countries, and generally
in a different class to a Winmodem. However, the DSP on the
DSP-but-no-microcontroller Winmodems is adequate for many reasonable low bit rate
vocoders (generally low bit rate == lots of DSP horse power needed for
compression). Their low price makes reprogramming them as single line vocoders
quite appealing.

Steve

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