176
177
Glossary
Airtime
Actual time spent talking on the wireless
phone. You are billed according to this
reference.
ALS (Alternate Line Service)
ALS provides the capability of associating
two alternate lines with one SIM card. You
can make and receive calls on either line as
desired with this service.
Call Barring
Ability to restrict outgoing and incoming
calls.
Call Divert
Ability to reroute calls to another mobile
or fixed line.
Call Holding
Ability to put one call on standby while
answering or making another call; you can
then switch between the two calls, as
required.
Call Waiting
Ability to inform users that they have an
incoming call when engaged on another
call.
CLI (Caller Line Identification) Service
Service allowing subscribers to view or
block the telephone numbers of callers.
Conference Calling
Ability to establish a conference call
involving up to five additional parties.
DTMF (Dual-tone Multi Frequency)
You send DTMF signals when you enter
numbers by pressing the digit keys.
Hands-Free
A feature that permits a driver to use a
wireless phone without lifting or holding
the handset an important safety feature
for automobiles, tractors and most other
motorized vehicles.
GSM (Global System for Mobile
Communication)
International standard for cellular
communication, guaranteeing compatibility
between the various network operators.
GSM covers most European countries and
many other parts of the world.
LCD (Liquid Crystal Display)
Commonly used to refer to the screen
display on the wireless phone.
LED (Light Emitting Diode)
Commonly used to refer to a small light on
the wireless phone or on the Desktop
Charger. The lights on the charger indicate
that battery charging is taking place.
PIN (Personal Identification Number)
Security code that protects the phone
against unauthorized use.
The PIN is supplied by the service provider
with the SIM card. It may be a four to
eight-digit number and can be changed, as
required.
OTHER FUNCTIONS