ATT Communications System User Manuals
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AT&T
AT&T SYSTEM 25
CALL MANAGEMENT SYSTEM
SYSTEM MANUAL
AT&T
CIB 3181
(107682924)
System 25 Communications System
R3V3 Upgrade
Because of the North American Numbering Plan changes effective in 1995, many
customers have requested that their System 25 Communications Systems be upgraded
to R3V3. R3V3 contains the necessary changes so that customers who use Automatic
Route Selection (ARS), Pool Facilities, or Personal Lines can be compatible with the
network.
When you upgrade a System 25 Communications System to R3V3 for the Improved
North American Dial Plan...
AT&T
AT&T System 25
Installation and
Maintenance Manual
555-540-103 B
November 1995
AT&T555-520-105
Issue 2, October 1987
AT&T SYSTEM 25
MAINTENANCE MANUAL
AT&T 555-540-200
Issue 1, September 1989
AT&T System 25
Release 3, V 3
Reference Manual
AT&T 555-540-200
Issue 1, September 1989
AT&T System 25
Release 3, V 3
Reference Manual
AT&T
AT&T SYSTEM 25
REFERENCE MANUAL
555-500-200
Issue 1, May 1986
555-520-200
Issue 1, June 1987
AT&T System 25
Reference Manual
AT&T
SPlRIT
®
Communications System
SPIRIT Attendant ConnecT/R
Owner’s Manual
AT&T System 25
Direct Trunk
Attendant Console.
User Guide
AT&T
AT&T FAX Attendant System™
Release 2.1.1
for System 25 Communications System
Implementation and Switch Notes