[comp.dcom.telecom] Special Ring Detection

weyrich@csun1.cs.uga.edu (Orville Weyrich) (08/03/89)

Some phone exchanges now have an option in which a phone line may generate
two different ring signals depending on who the caller is (or is it done
with a special secondary phone number?)

Does anyone know of the specifications for the ring signals which I could use
to automatically detect which type of ring signal is present and switch it to
the appropriate place?  [yes, I am looking for a way to avoid installing and
paying for a second phone line].

E-mail responses please, and I will post a summary if response merits.


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Orville R. Weyrich, Jr.          | UUCP    : ...gatech!csun1!weyrich
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University of Georgia            |
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tanner@ki4pv.uucp (Dr. T. Andrews) (08/05/89)

The service of providing special ring(s) is offered here, under the
name "ringmaster".  You get several numbers, all of which ring the
same line.  The ring cycle is varied, depending on which number is
called.  Remember party lines, with long/short rings?

They can list or not list the added number(s), depending on whether
you want one for the kids, or if you want one for friends to alert
you that it isn't a salesman.  Same charge applies either way.  Of
course, a sales caller cycling through the numbers won't know not to
call your priority number.

If we have all of these spare numbers, why must we have 3 exchange
prefixes in this town?  Is the sale of these spare numbers going to
hasten the split of "904"?  Will the pan-handle gets stuck changing
their numbers instead of us when it happens?
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