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PCS

Personal Communications Services, often used to describe GSM 1900 networks.

PDA

Personal Digital Assistant. A handheld computer having functions such as address book, calendar, and so on.

PDF

Portable Document Format. A format created by Adobe for storing and distributing documents.

Phone book

A memory in the SIM card where phone numbers can be stored and accessed by name or position.

PIM

Personal Information Management. Generic term for applications such as Contacts, Calendar, Tasks, and so on.

PIN

A PIN is a personal identification number.

PNG

Portable Network Graphics. Format for storing images on file with data compression but without lowering of quality (loss of information).

POP3

Post Office Protocol 3 is a standard client/server protocol for receiving email. The email is received and held for you by your POP server. Periodically, the P910i Messages application can check your mail-box on the server and download any mail.

Protocol

In information technology, a protocol is the special set of rules that end points in a telecommunication connection use when they communicate. Protocols exist at several levels in a telecommunication connection.

QQVGA

Quarter Quarter VGA, 160 x 120 pixels.

QVGA

Quarter VGA size, typically refers to a portrait oriented screen 240 pixels wide x 320 pixels high.

RS232

A standard for serial transmission between computers and peripheral devices

SC

Service Centre (for SMS).

Service Provider

A company that provides services and subscriptions to mobile phone users.

Terms and definitions

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