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MIME
Multipurpose Internet Mail Extensions
MMI
Man-Machine Interface. See UI.
MP3
Short for "MPEG-1 layer 3"; an effective audio cod-
ing scheme.
MS
Mobile Station
MT
Mobile Termination
Musictones
Ringtones or mastertones, a name for shortened
and DRM-protected MP3 ringtones.
ODI
Object Distribution Indicator
OMA
Open Mobile Alliance
OTA
Over-the Air Configuration. To provide settings for
the phone by way of sending an SMS message
over the network to the phone. This reduces the
need for the user to configure the phone manually.
PDA
Personal Digital Assistant
PDP
Packet Data Protocol
Phonebook
A memory in the mobile phone or SIM card where
phone numbers can be stored and accessed by
name or position.
PIM
Personal Information Management
QCIF
Quarter Common Intermediate Format
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
product 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
50
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J300
July 2005
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