Samsung SGH-A308 - Manual (Page 71)

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G Gl lo os ss sa ar ry y G Gl lo os ss sa ar ry y
PIN (Personal Identification Number)
Security code that protects the phone against
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).
SDN (Service Dialling Numbers)
Telephone numbers supplied by your network provider
and giving access to special services, such as voice
mail, directory inquiries, customer support and
emergency services.
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)
Network service sending and receiving messages to and
from another subscriber without having to speak to the
correspondent. The message created or received (up to
160 characters long) can be displayed, received, edited or
sent.
Soft Keys
Two keys ( ) on the phone, the purpose of which:
• Varies according to the function that you are currently
using
• Is indicated on the bottom line of the display just
above the corresponding key
Voice Mail
Computerised answering service that automatically
answers your calls when you are not available, plays a
greeting (optionally in your own voice) and records a
message.