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From: telpc!tel@cdsdb1.att.com
Newsgroups: comp.dcom.telecom
Subject: Re: What are 700 and 555 Numbers?
Message-ID: <15208@accuvax.nwu.edu>
Date: 5 Dec 90 01:12:00 GMT
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X-Telecom-Digest: Volume 10, Issue 864, Message 11 of 14


AT&T uses 700 numbers for their ISDN service.  Apparently, if you get
a PRI ISDN line from AT&T for switched data (64 or 384 Kbit), you can
get one or more 700 numbers assigned.  I doubt you can call these 700
numbers from a regular phone, but I have never tried it.  Next time I
get a look at the patch panel in one of the labs, I will try calling
and see what I get.

When we were trying some data calls, we had to "dial" the 700 number
to place the call.  When I say dial, I mean the dial string that goes
over then D channel has the 700 number as the destination.

That's all I really know right now.  I will soon be learning more
about this stuff!  I'll pass on anything that I learn.


Tom Lowe       AT&T      tel@hound.ATT.COM