Sony Ericsson T28 World User Guide - Page 111

Restrict Calls, Roaming, Scroll, Select, Semi-Duplex, Service Provider, Short Message Service

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EricssonNoMtofboilreCCoommmmerucniiaclatUisoens AB Restrict Calls enables you to restrict or block certain or all types of calls to and from your mobile phone, i.e. outgoing calls, outgoing international calls, incoming calls. Blocking 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 u or d. 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 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. 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 WORLD uses the small plug-in card. Glossary 111

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Not for Commercial Use
Er
i
cs
s
on M
obile Communi
ca
tions AB
Glossary
111
Restrict Calls
enables you to restrict or block certain or all types of calls to and from your
mobile phone, i.e. outgoing calls, outgoing international calls, incoming calls.
Blocking 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
u
or
d
.
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 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.
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 WORLD uses the small plug-in card.