F. Glossary
Cell Broadcast
This network service allows you to receive the broadcasted text messages on various topics such as
weather, traffic, local district code, local hospitals, taxis or pharmacy in the area where you are.
CUG (Closed User Group)
This network service allows the restriction of calls to and from a selected user group.
DTMF (Dial Tone Multi Frequency)
Codes sent as tone signals. Used for telephone banking, for accessing an answering machine, etc.
Network Service Operator
To be able to use your phone, you need a subscription to a network. You get this subscription from a
network operator, together with a SIM card that you need to use with your phone.
PIN1 (Personal Identification Number)
The code is to establish authorization for access to certain functions or information in your SIM card. The
PIN code comes with your subscription. It may be a four to eight digit number and can be changed as
required.
PIN2 (Personal Identification Number 2)
The code is an authorization code to access certain special field in your SIM card. The PIN2 code does
not come with your subscription in some country.
Roaming
Use of your phone when you are outside your subscription network area.
SIM (Subscriber Identity Module)
It contains subscriber details, security information and memory for a personal directory of numbers.
SMS (Short Message Service)
Messages to be sent and received via the network service operator’s message centre to your mobile
phone. To use this service, it must be supported from your network.
WAP (Wireless Application Protocol)
Summary of Contents for BG-A318
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