Ericsson T18Z User Manual page 80

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Some menus/features are operator dependent.
is activated with a personal code. To use this service, it
must be supported by your network.
Roaming
You are outside of your home network.
Semi-Duplex
In handsfree equipment, full duplex means that the con-
nection is open for both parties to talk simultaneously.
Semi-duplex gives close to, but not complete, duplex
functionality.
Service Provider
A company that provides services and subscriptions to
mobile phone users.
Short Message Service (SMS)
Allows messages of up to 160 characters to be sent and
received via the network operator's message center to
your mobile phone. Messages are stored if the phone is
off or out of reach ensuring that they reach you. To use
this service, it must be supported by your network.
Scroll
Pressing
or
Select
Scrolling to a menu then pressing the
phone.
78
to move between the menus.
key on the
Y E S
SIM Card
Subscriber Identity Module card – a card that must be
inserted in any GSM-based mobile phone. It contains
subscriber details, security information and memory for
a personal directory of numbers. The card can be a small
plug-in type or credit card sized but both types have the
same functionality.
Standby
The mode where your phone has been cleared of all
menu items and features. If there is no action within a
minute, the phone will automatically revert to standby.
Subscription
Is the contract that you have with the service/network
provider. To use your phone, you need to have a sub-
scription to a network. You get a SIM (Subscriber Iden-
tity Module) card with your subscription. The services
included in your subscription depend on your choice of
operator and/or subscription. So some of the services
and functions described in this manual may not be
accessible to you. If you want a complete list of the ser-
vices included in your subscription, please contact your
network operator.
Voicemail
A computerized answering service that automatically
answers your call, plays a greeting in your own voice and
records a message.
Terminology

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