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PA2AGA > TCPDIG 14.02.98 03:12l 128 Lines 5097 Bytes #-9590 (0) @ EU
BID : TCP_98_18C
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Subj: TCP-Group Digest 98/18C
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From: pa2aga
To: tcp_broadcast@pa2aga
Subject: TCP-Group Digest 98/18C
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very latency sensitive. One of the blessings and curses of the internet is
that you are both isolated from how someone implements their link in your loop
and at the same time, you are unable to effect any change.
For coverage and QOS, what I'd really like would be to get a TAPI compliant
cellphone so I could initiate/receive a voice call and use the cellular
network so I could use something like Compaq's Phone Center. To the best of my
knowledge, only Sierra Wireless has anything at all (part of their AirCard
line) and it's not left the lab. Their product literature and even website
(maybe this changed) talk about it but it hasn't yet been released because of
perceived lack of demand as well as technical difficulties with PCMCIA which I
could never get a straight story on. If there were enough interest, Sierra
Wireless might push what they have in the lab out. They are aware that the MIT
wearable community is using their products for CDPD so there's some pull
there. FYI - Compaq's announcements in this regard are talking about the same
product as they were working together with Sierra.
Sierra does have an OEM product (SB220 I think) which can be PC controlled but
in this case, it's as if one is using the PC to punch the buttons on a phone -
the audio datapath never enters/leaves the PC audio card. One couldn't write
an answering machine application...well, one could do a lot of analog wiring
to mix the mic and audio card line-out into the cellphone input and the same
with cellphone output to line-in and headphones etc, etc. In any event, it's
an OEM product and not retail - the developer kit is about $3k though
additional units are pretty reasonable.
One of the more interesting ideas, someone else suggested something similar,
would be to set up my own IP to PSTN gateway at home. As far as I know, most
of these products (Vocaltec's for example) are targeted at ITSP's. They have
lots of pieces to deal with billing and configuration depending on numbers of
lines supported, etc, etc. What I'd like to see is something much much
simpler. I just want something that runs on my home machine/server which if
someone opens a special port on it over IP, it will respond, verify who I am,
get the phone number, dial out on PSTN with a local or even long distance
call, and exchange audio packets between the two networks. It'd also auto
answer the phone and find me out in IP land and connect me up if someone
dialed me at home. Basically something pretty darn simple - a personal IP to
PSTN gateway. If anyone is aware of anything like this, I'd appreciate hearing
about it as Vocaltec will sell me a full-blown ITSP setup for a few grand and
that's overkill.
Dan
------------------------------
Date: Thu, 12 Feb 1998 23:38:56 -0800 (PST)
From: Ren Roderick <renr@eskimo.com>
Subject: wearable telephone gateway
On Wed, 11 Feb 1998, Alan Cox wrote:
>
> Has anyone attempted to connect a TNC to the 3com palmpilot yet ?
>
> Alan
>
Yep. And used the internal ppp drivers to talk to a Metricom/Ricochet
modem and surf the web...
More fun than the proverbial barrel o' monkeys!
73,
Ren WA7QFR
/=================================================================\
| Ren Roderick | aka: renr@eskimo.com |
| IS Engineer | ren.roderickr@intp.com |
| Interpoint Corporation | renr@renandstimpy.dynip.com |
\=============================|===================================/
------------------------------
Date: Fri, 13 Feb 1998 00:16:42 -0800 (PST)
From: Ren Roderick <renr@eskimo.com>
Subject: wearable telephone gateway
On Thu, 12 Feb 1998, Domenico Dato wrote:
>
> You, Alan Cox <alan@cymru.net>, wrote:
>
> > It doesnt seem to unreasonable, and Linux/Palmpilot is in progress
>
> Can you be more clear on this ? What is in progress ?
Check out the following URL for more on the Pilot/Linux Port
http://ryeham.ee.ryerson.ca/uClinux
>
> Ciao,
> Domenico
> --
> Domenico Dato | Internet: dato@di.unipi.it
> Computer Science, University of Pisa | dato@cli.di.unipi.it
> Voice/Modem/Fax (39) 50 23380 | iw8qbw@iw8qbw-5.ampr.org
> Arianna development team | Please, try: http://www.arianna.it
>
/=================================================================\
| Ren Roderick | aka: renr@eskimo.com |
| IS Engineer | ren.roderickr@intp.com |
| Interpoint Corporation | renr@renandstimpy.dynip.com |
\=============================|===================================/
------------------------------
End of TCP-Group Digest V98 #18
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