PDP
Packet Data Protocol
PIM
Personal Information Management
White Paper V600
SMS
Short Messaging Service. Allows messages of up to 160 characters to be sent and received via the network operator’s message centre to a mobile phone.
PNG
Portable Network Graphic
QCIF
SS
Supplementary Services
Quarter Common Intermediate Format
QVGA
SSL
Secure Socket Layer
Quarter Video Graphics Array
RPE
TA
Timing in Advance
Regular Pulse Excited codec.
RTSP
TCP/IP
Transmission Control Protocol/Internet Protocol
Real Time Streaming Protocol session control.
SMS-C
Service Centre (for SMS).
Service provider
A company that provides services and subscriptions to mobile phone users.
SI
Service Indication
SL
Service Loading.
SIM card
Subscriber Identity Module card – a card that must be inserted in any
TLS
Transport Layer Security
Triple band
GSM 900/1800/1900
UI
User interface
UMTS
Universal Mobile Telecommunications System. The telecommunications system, incorporating mobile cellular and other functionality, that is the subject of standards produced by 3GPP™.
URL
Uniform Resource Locator.
The global address of documents and other resources on the World Wide Web.
USSD
Unstructured Supplementary Services Data
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