Sony Ericsson D750i White Paper page 63

QVGA
Quarter Video Graphics Array
RPE
Regular Pulse Excited codec.
RTSP
Real Time Streaming Protocol session control.
SMS-C
Service Centre (for SMS).
Service provider
A company that provides services and subscrip-
tions to mobile phone users.
SI
Service Indication
SL
Service Loading.
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
phone uses the small plug-in card.
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.
SP-MIDI
SP-MIDI stands for Scalable Polyphony MIDI.
SS
Supplementary Services
SSL
Secure Socket Layer
TA
Timing in Advance
TCP/IP
Transmission Control Protocol/Internet Protocol
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
vCard
vCard automates the exchange of personal infor-
mation typically found on a traditional business
card, for use in applications such as Internet mail,
voice mail, Web browsers, telephony applications,
call centres, conferences, PIMs /PDAs, pagers, fax,
office equipment, and smart cards. vCard is speci-
fied by IETF.
VGA
Video Graphics Array
63
White Paper D750i
March 2005