Pantech PG-3810 User Manual page 71

Call Forwarding
Ability to re-route calls to another number.
Call Holding
Ability to put one call on standby while answering or making another call; you can
then swap between the two calls, as required.
Call Waiting
A Network service to inform users that the user has another call
during a call.
CLI (Caller Line Identification) Services
Services allowing subscribers to view or block the telephone numbers of
callers.
GPRS (General Packet Radio Service)
New non-voice value-added service that allows information to be sent and received
across a mobile telephone network. GPRS guarantees continuous connection to
the Internet for mobile phone and computer users. It is based on the Global System
for Mobile Communication (GSM) circuit-switched mobile phone connections and
the Short Message Service (SMS).
GSM (Global System for Mobile Communication)
International standard for mobile phone communication, guaranteeing compatibility
between the various network operators. GSM covers most European countries and
many other parts of the world.
Multiparty Calling
Ability to establish a conference call involving up to five additional parties.
PIN (Personal Identification Number)
Security code that protects the phone/SIM from unauthorised 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.
PUK (PIN Unblocking Key)
Security code used to unlock the phone when an incorrect PIN has been entered
three times in succession. The eight-digit number is supplied by the service
provider with the SIM card.
Roaming
Use of your phone when you are outside your home area (when travelling for
example).
SIM (Subscriber Identification Module)
Card containing a chip with all the information required to operate the phone
(network and memory information, as well as the subscriber's personal data).
The SIM card fits into a small slot on the back of the phone and is protected by the
battery.
SMS (Short Message Service)
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