Chapter 1. About This Manual
If you are using this manual for a single System, make note of its software version in the following
table. This information may be referenced by technicians or owners of the System.
Software version information for systems shipped with this document
This manual contains detailed descriptions of features. The feature descriptions are organized
according to the following categories:
Key Telephone Features
Digital Single-Line Tele-
phone (DSLT) Features
Single Line Telephone
* See Appendix B
System Features are either available on a system-
wide basis or aid in the overall administration of the
User Maintenance Features are used by the end user
to maintain the System. These items include setting
time and date, Personal Speed Dial (PSD) numbers
and names, System Speed Dial (SSD) numbers and
names, extension names, Verified ID codes, Call
Forward ID codes for Voice Mail, Message Key ID
codes, Mode schedule, Special Day mode, Excep-
tion Day mode, and Day of Week mode.
Key Telephone Features are available to System Key
phones. System Key phones are proprietary digital
sets that provide feature access through a combina-
tion of feature keys and access codes.
DSLT Features are available to DSLTs. DSLTs pro-
vide digital audio quality and limited feature key
access in a single-line set.
SLT Features are available on a standard analog
push button telephone set. Since SLTs are not
equipped with feature keys, most features are
accessed by using the dialpad and/or the switchhook.
Beginning with Version 1.0, the ICX system can be
used with SBS/A-Series (UK only) telephones. See
Appendix A for a list of differences between S-ICX
key telephone features and those available on the
SBS/VB-9, A-Series telephones.
S-ICX (International) issued April 2002