Ericsson T28s - Manual (Page 112)

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Glossary 111
which system is best at the time. This is taken care of by the networks.
However, you should note that the functions offered and the network coverage
differ depending on your choice of operator and/or subscription.
Enter
is used for keying in letters or numbers from the keypad.
Fixed Numbers
enables you to allow only numbers beginning with certain pre-defined figures
to be dialled from your mobile phone. The service is protected by your PIN2.
To use this service, it must be supported by your network.
Full Duplex
in handsfree equipment, means that both parties on the phone can talk at the
same time. The opposite is simplex mode when one party talks and the other
must wait for his/her turn.
Fax Class
Standards for fax transmission are set as classes. Class I and II allow data
transfer speeds of between 2400 up to 9600 bps.
GSM 900
GSM is the world’s most widely-used digital network, now operating in over
100 countries around the world, particularly in Europe and Asia-Pacific.
The Global System for Mobile Communications is the most-widely used
digital mobile phone system. The GSM systems family also includes GSM
1800 and GSM 1900. There are different phases of roll-out for the GSM
system and GSM phones are either phase 1 or phase 2 compliant.
GSM 1800
also known as DCS 1800 or PCN, is a digital network working on a frequency
of 1800 MHz. It is used in Europe and Asia-Pacific.
International (+) sign
mobile phone (+) sign that automatically adds the correct international code in
front of a telephone number when dialling out of a country. You then have to
enter the code of the country you are calling.
International Roaming
a mobile phone feature that allows you to switch between networks offering
coverage abroad. Your mobile phone automatically selects a network or
system (your home network), but if it is not in range or unavailable, it selects