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MMS (Multimedia Message Service)
A message service for the mobile environment,
standardized by the WAP Forum and the 3rd
Generation Partnership Program (3GPP). For phone
users, MMS is similar to Short Message Service
(SMS)-it provides automatic, immediate delivery of
user-created content from phone to phone. The
message addressing used is primarily phone
numbers, thus the traffic goes from phone to
phone. MMS also provides support for e-mail
addressing, so that messages can be sent by e-
mail. In addition to the text content of SMS, MMS
messages can contain still images, voice or audio
clips, and also video clips and presentation
information.
Multi-party calling
Ability to establish a conference call involving up to
five additional parties.
Phone password
Security code used to unlock the phone when you
have selected the option to lock it automatically
each time it switches on.
PIN (Personal Identification Number)
Security code that protects the phone against
unauthorised use. The PIN is supplied by the
service provider with the SIM card. It may be a four
to eight-digit number and can be changed, as
required.
PUK (PIN Unblocking Key)
Security code used to unlock the phone when an
incorrect PIN has been entered three times in
succession. The eight-digit number is supplied by
the service provider with the SIM card.
P710.book Page 174 Tuesday, January 4, 2005 4:59 PM