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Glossary
GL-24 Issue 2.0 December 1995
SCSI
See
small computer system interface
.
secondary extension
A second, fax-dedicated extension that directs incoming faxes directly into a subscriber’s
mailbox without ringing the telephone. The secondary extension shares the same mailbox as the
voice extension, but acts like a fax machine. Also called
personal fax extension
.
serial transmission
The transmission of one bit at a time over a single wire.
server
A computer that processes and stores data that is used by other smaller computers. For AT&T
Intuity Message Manager, Intuity AUDIX is the server. See also
client
.
shielded cables
Cables that are protected from interference with metallic braid or foil.
SID
See
switch integration device
.
SIMMs
See
single in-line memory modules
.
simplified message service interface (SMSI)
Type of data link connection to an integrated 1A ESS switch or 5ESS switch in the AT&T Intuity
system.
single in-line memory modules (SIMMs)
A method of containing random access memory (RAM) chips on narrow circuit card strips that
attach directly to sockets on the CPU circuit card. Multiple SIMMs are sometimes installed on a
single CPU circuit card.
small computer systems interface (SCSI)
An interface standard defining the physical, logical, and electrical connections to computer
system peripherals such as tape and disk drives.
SMSI
See
simplified message service interface
.
split
Group (or queue) of analog ports on the switch. See also
call-distribution group
.
subscriber
An AT&T Intuity user who has been assigned the ability to access the Intuity AUDIX Voice
Messaging system.
subscriber interface
The devices that subscribers use to access their mailboxes, manage mailing lists, administer
personal greeting, and use other messaging capabilities. Subscriber interfaces include a touch-
tone telephone keypad and a PC using AT&T Intuity Message Manager.
surge
A sudden voltage rise and fall in an electrical circuit.
surge protector
A device that plugs into the phone system and the commercial AC power outlet. It is designed to
protect the phone system from high voltage surges that could be damaging to the phone system.