Sony Ericsson R250 PRO User Guide - Page 114

Roaming, Scroll, Select, Semi-Duplex, Service Provider, Short Message Service (SMS), SIM card

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EricssonNoMtofboilreCCoommmmerucniiaclatUisoens AB Barring is switched on with a personal code. To use this service, it must be supported by your network. Roaming Within your home network, this means that your mobile phone automatically sets up communication procedures with different radio base stations when on the move. % # Scroll move between the menus and functions by pressing or . Select choose a menu or function by pressing the Y ES key. Semi-Duplex In handsfree equipment, full duplex means that the connection is open for both parties to talk simultaneously. The opposite, simplex, is when it is open to one at a time. 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 centre 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. SIM card Subscriber Identity Module card - a card that must be inserted in any GSMbased 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 functions. The T28 uses the small plug-in card. Subscription is the contract that you have with the service/network provider. To use your phone, you need to have a subscription to a network. You get a SIM (Subscriber Identity 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 services included in your subscription, please contact your network operator. Glossary 113

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Not for
Commercial
Use
Er
i
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on M
obile Communi
ca
tions
AB
Glossary
113
Barring is switched on with a personal code. To use this service, it must be
supported by your network.
Roaming
Within your home network, this means that your mobile phone automatically
sets up communication procedures with different radio base stations when on
the move.
Scroll
move between the menus and functions by pressing
or
.
Select
choose a menu or function by pressing the
YES
key.
Semi-Duplex
In handsfree equipment, full duplex means that the connection is open for
both parties to talk simultaneously. The opposite, simplex, is when it is open
to one at a time. 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 centre 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.
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 functions. The T28 uses
the small plug-in card.
Subscription
is the contract that you have with the service/network provider. To use your
phone, you need to have a subscription to a network. You get a SIM
(Subscriber Identity 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 services
included in your subscription, please contact your network operator.