On Tue, 28 Mar 2006 23:59:09 -0500, " email@example.com"
We had these in that 7th grade class I mentioned, but I don't think
they lend them out (and may not have them 46 years later :) and I
live in another city) But I'll look in surplus sources. OTOH, this
will slow down some my prospective 15 seconds per code, that I need to
finish in about 2 hours. Thanks.
Thanks a lot to you and beachcomber. It is just what I need, and the
price now ranges from 145 to 114, for the very same thing, online,
plus shipping. It's small to -- oh, yeah, you said that -- and
although that is a lot of money to fix these two things, it may have
uses in the future. OTOH, I have the specs now to do this myself, so
Since you need to find the 3 digit code for message retrieval it is
not simply a matter of generating the correct ring signal. The ring
signal needs to be received and tripped so that a normal line
connection is established with correct DC potentials etc. Only then
can you send the DTMF signals to the fax to determine the 3 digit
code. For this you will need an analog phone line simulator similar to
Unfortunately these aren't cheap (US495 for the TLS3).
AN Australian device which will do the trick is shown here
http://www.mgram.com.au/pdf/pds22001.pdf and sells for around USD271
In the UK you can buy a kit to build one
which will be a lot cheaper than the Teltone.
Sounds reasonable. I had my old machine apart twice, and my friend's
wife's machine apart once, to change the tape mechanism drive belts,
and I don't think I saw the number for either, but I'll look harder
this time. I think I might have seen both sides of the mechanism, but
maybe not since I didn't want to un"plug" the microphone from the top
half of the case, and there were speaker wires too and maybe button
It made it a lot easier to ask about my friend's machine, since I had
fixed it once, and she used it for a few years after that. I don't
think she bought her replacement. IIRC it was included with a new job
About the cheapest way to generate a ring-voltage problem...
I've seen several "call directors", a box that picks up a ringing line,
listens, determines if it's an incoming fax or modem, then sends the
signal to the corresponding RJ-11 jack where the actual device is
Wouldn't one of these have to generate a ring voltage to get the fax or
modem to go off-hook?
Anyone have a schematic for one of these? It might be a rather simple
thing to modify one of these for the OP's purpose.
Digitally there is distinct ring service from Telco. Corresponding
device responds when phone rings. Even single line can have different
multitple numbers, etc. Talk to Telco rep. and express your service needs.
Of all the advice I;ve see so far, the one that makes the most sense
was the person questioning why you need to know the old remote access
code to change it. The ones that I've had were set on the base unit
and you could do it without knowing the old code.
No way in hell I'd spend hours rigging crap to try to salvage a 20 year
old answering machine when you can buy a new one for $20
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