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11-10 APPENDIX
GTE
XXXYYYZZZZ0101
— or —
01YYYZZZZ000
— or —
XXXYYYZZZZ00
— or —
SPID1 XXXYYYZZZZ01
SPID2 XXXYYYZZZZ02
Northern Pittsburgh Tele-
phone
XXXYYYZZZZ000
Nynex
See BellAtlantic
Pacific Bell
XXXYYYZZZZ0101
— or —
SPID1 XXXYYYZZZZ01
SPID2 XXXYYYZZZZ02
— or —
01YYYZZZZ000
— or —
SPID1 XXXYYYZZZZ1
SPID2 XXXYYYZZZZ2
— or —
XXXYYYZZZZ00
— or —
XXXYYYZZZZ
SNET (Southern New
England Telephone)
01YYYZZZZ00
Southwestern Bell
XXXYYYZZZZ0101
— or —
01YYYZZZZ000
— or —
01YYYZZZZ00
— or —
XXXYYYZZZZ01
Sprint/Centel
XXXYYYZZZZ100
— or —
XXXYYYZZZZ1
— or —
SPID1 XXXYYYZZZZ000
SPID2 XXXYYYZZZZ100
US West
XXXYYYZZZZ1111
— or —
01YYYZZZZ00
— or —
01YYYZZZZ000
ISDN BRI, ZEPHYR, AND YOU
This section applies to users in North America and is intended to help you when you or-
der your ISDN line. We assume you have read the description of ISDN in section 8, and
are familiar with ISDN’s basic concepts. If you haven’t read that section, do it now. It’ll
help you understand the following information better.
ISDN (Integrated Services Digital Network) is the information superhighway at your
front door. Because ISDN has only been recently introduced in some parts of the coun-
try, there is a great deal of confusion about what it is and how to get it. If you know who
to call and provide them with complete information, the ISDN ordering process can be
simple and straightforward. This guide takes you through the process step-by-step.
Telos Customer Support is available by phone or fax to answer any further questions you
may have.