Installation guide

496 Planning and Installation Guide ShoreTel 14.2

Glossary

FSK Frequency Shift Key, a modulation technique used with low-speed

modems; also used with CallerID and message-waiting lamp

indicators.

FXO Foreign Exchange Office. An FXO interface connects to the public

switched telephone network (PSTN) central office and is the

interface offered on a standard telephone. An FXO interface is used

for trunks, tie lines, or connections to a PSTN CO or PBX that does

not support E&M signaling (when local telecommunications

authority permits).

FXS Foreign Exchange Station. An FXS interface supplies ring, voltage

and dial tone for basic telephone equipment, keysets, and PBXs.

The FXO interface is useful for off-premises station applications.

Greeting The voice recording sent to the caller when a call is answered by

voice mail or by the auto-attendant; usually a single file, and not the

concatenation of smaller phrases.

GUI In ShoreTel documentation, the graphical user interface presented

to the user as part of the software application that runs on the user’s

workstation.

Handled Call A call answered by an employee or a device, such as an auto-

attendant or voice mail, as opposed to being blocked or abandoned.

Hang Up The act of putting the telephone receiver back on the hook to

indicate to the telephone system that the user is done with the call.

Hold As in “on hold”; the situation in which a caller is placed in the user’s

call management stack for later handling.

Internal Call A telephone call dialed between internal extensions.