Philips X400 - Manual (Page 93)

90
Apn Access Point Name. Directs the user to the gateway or the required service.
CHAP Challenge Handshake Authentication Protocol. A security feature in the GPRS network.
Copy Copies selected text from a short text message without removing it from the original message.
CSD Circuit Switched Data. A communication method used to transmit data over telephone
connections.
Cut Permanently removes selected text from a short text message.
DTMF Tones Dual Tone Multi-Frequency tones allow you to communicate with computerised phone
systems, voice mailboxes, etc.
GPRS General Packet Radio Service. A GSM transmission technique that transmits and receives
data in packets rather than setting up a continuous channel. It makes very efficient use of
available radio spectrum and users pay only for volume of data sent and received.
GSM Global System for Mobile communications. The name given to the advanced digital technology
that your phone uses.
MMS Multimedia Messaging Service. An advanced mail system used for cellular phones. This
service allows sending/receiving text messages and attaching pictures, animation and sound
to the same.
Network
Operator The organisation responsible for operating a GSM network.
PAP Password Authentication Protocol. A security feature in the GPRS network.
Password Used for the control of GPRS/CSD settings in Data connections and the control of Call barring.
Supplied by Vodafone.
PIN Personal Identification Number used for SIM security. Supplied by Vodafone. If the PIN is
entered incorrectly 3 times, the PIN will be blocked.
PIN2 Personal Identification Number used for the control of Fixed dial store and Call charge
metering. Supplied by Vodafone. If the PIN2 is entered incorrectly 3 times, the PIN2 will be
blocked.
PUK/PUK2 PIN/PIN2 Unblocking Key. Used to unblock the PIN/PIN2 code. Supplied by Vodafone. If the
PUK/PUK2 is entered incorrectly 10 times, the PUK/PUK2 will be blocked.
Registration The act of logging on to a GSM network. This is usually performed automatically by your phone.
Roaming The ability to use your phone on networks other than your home network.
Service
Provider The organisation responsible for providing access to the GSM network.
SIM Subscriber Identity Module. A small smart-card which stores unique subscriber and user-
entered information such as Contacts entries and short messages. Supplied by Vodafone.
SMS Short Message Service. A basic mail system used for cellular phones. This service allows
sending/receiving of short text messages.
URL Uniform Resource Locator. The URL is an alphanumeric address that points to homepages
and other Internet locations.
WAP Wireless Application Protocol. The communication standard which enables you to download
resources from the Internet to your phone.
Glossary of Terms