21. G
LOSSARY OF TERMS
Outgoing call
A call sent from your mobile phone
Incoming call
A call received by your mobile phone
IMEI
Your mobile phone's unique ID code
Voicemail
An answering service on which voice messages are
received which you can call up from your mobile phone
MMS
Multimedia Messaging Service: the sending and
receiving of messages containing images, music,
animations and similar
Network operator
A company that provides you with access to the mobile
telecommunications network
PIN
Your personal code for your SIM card
PUK
Personal Unblocking Key: a number used for unblocking
a blocked SIM card
SIM card
A chip card which gives you access to the services of your
network provider. The separable part is called the "micro
SIM".
Default number
Number used as default for calling a contact selected
from the phonebook
SMS
Short Message Service: the sending and receiving of text
messages
USB
Universal Serial Bus: a standard interface for connecting
a computer to an external device for exchanging data
108