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glossary :: 233
Phone/Send : The application on your smartphone that
provides quick access to the most commonly used
applications on your smartphone.
PIM (personal information manager): A genre of software
that includes applications such as Palm Desktop software,
Microsoft Outlook, Lotus Notes, and ACT!. PIMs generally
store contacts, schedules, tasks, and memos.
PIN (personal identification number): The four-digit
password assigned to your SIM card by Cingular Wireless.
Turning on the PIN lock secures your wireless account.
See also PUK.
PUK (PIN unlock key): A special extended password
assigned to your SIM card. If you enter the wrong PIN
more than three times, your SIM will be blocked, and you
must call Cingular Wireless for the PUK.
SIM (Subscriber Identity Module): The smartcard, inserted
in your smartphone, that contains your Global System for
Mobile Communications (GSM) mobile account
information. SIM cards are portable between GSM phones
– your mobile subscriber information moves to whatever
phone houses the SIM.
SMS (Short Messaging Service): The service that
exchanges short text messages almost instantly between
mobile phones. These messages can usually include up to
160 characters. Treo™ 650 smartphones can send and
receive text messages while you are on a voice call.
Username: The name associated with your Treo
smartphone that distinguishes it from other Palm
Powered
™ devices. When you first synchronize your Treo
smartphone, you are asked to give it a username.