T9™ Text
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Input Application that allows you to type messages with just one key press per
letter on wireless phones. Much easier text input than traditional multi-tapping.
Also called iTAP.
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Talk Time
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The total time a battery can power a phone for cellular calls. As the phone drains
the battery during a call, the talk time left in the battery diminishes until
the phone is turned off or the battery is recharged.
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TDMA
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(Time Division Multiple Access) TDMA is a digital format that divides a sequence
of conversations into packets of data according to time.
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Theft Alarm
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Phone can be activated to make a call to a pre-programmed number if the unit
is not unlocked within a specified time.
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Time and Date Stamp
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Automatically displays the time and date of an incoming message.
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Tone Dialing from Keypad
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Allows calling of numbers requiring tone dialing, just like a conventional phone.
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Tone Dialing from Memory
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Allows storage and recalling of frequently used tone numbers.
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Transceiver
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A radio transmitter and receiver combined into a single unit.
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Transportable/
Carry Phone
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General term given to cellular phones that are capable of three-watt output
but can be used either as a portable unit or temporarily installed in a vehicle.
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Tri-Band
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Wireless phone that operates on any of the three digital GSM frequencies -
typically, 900 MHz, 1800 MHz and 1900 MHz. (1800 MHz is a GSM digital
network used in Europe. This frequency allows for global roaming, where
roaming agreements are in place.)
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Tri-Mode
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Wireless phone that offers both dual-mode and dual-band capability to increase
opportunities for obtaining cellular service. Dual-mode allows the phone to
access digital and AMPS (analog) channels. Likewise, dual-band enables a
phone to operate on two digital frequencies. For example, a dual-band phone
could operate on both 800MHz CDMA and 1900MHz CDMA digital networks. This
is a network and subscription dependent feature-not available in all areas.
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TrueSync™ Software
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Allows your wireless phone or pager to exchange information with a compatible
computer, PDA or other wireless device. Using a data cable, you can transfer
contact information to and from your phone to your desktop, laptop, or hand-
held computer.
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Turbo Dial™ Keys
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Allows very rapid automatic dialing from memory.
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Two Phone Number
Capable
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Allows registering for operation on two different systems with two separate
numbers for travel convenience.
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Two System Registration
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Allows registering for operation on two different systems with two separate
numbers for travel convenience.
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UMTS/WCDMA
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(Universal Mobile Telecommunications Systems) is the leading 3G technology
choice of operators today, providing potential worldwide coverage and enabling
economies of scale, global roaming, and priority technology for software and
applications developers.
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Unanswered Call Indicator
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When the phone is on it will alert and then keep track of calls not answered.
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Vehicular Speaker Phone
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(VSP) Hands-free operation that allows conversation to take place without
using the handset. Enhances safety and convenience.
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VFD
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(Vacuum Fluorescent Display) This display retains visibility in direct sunlight and
is highly visible in darkness. It can be seen without distortion over a wide range
of viewing angles and remains fully operational over a broad temperature range.
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VibraCall™ Alert
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For situations where ringing may not be appropriate or in noisy places where
ringing may not be heard, the phone can be set for discreet vibration.
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Voice Mail
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A feature that allows you to capture voice messages.
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Voice Mail Indicator
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Your phone will indicate when you have received messages in your voice mail
box.
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Voice Over Internet
Protocol
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(VoIP) The technology for transmitting voice conversations over a data network
using the Internet Protocol.
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Voice Privacy
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An added level of privacy available during digital conversations.
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Volume Control
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Adjusts volume levels (depending on model) for the earpiece, ringer, and
speaker to personal preference.
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Volume Meter
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Easy review of the volume levels for the earpiece and ringer are displayed when
either is adjusted.
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VOX Operation
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A battery-saving feature that allows the radio transmitter to operate only when
talking is taking place.
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W3C
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(World Wide Web Consortium) The World Wide Web Consortium is the body
responsible for the technical evolution of the web. The W3C is developing
technology to allow web access from non-PC devices (e.g. thin wireless
devices and TVs).
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WAP
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(Wireless Application Protocol) By working on top of standard data link protocols,
WAP provides a complete set of specifications to support Internet protocols.
Simply put, it's a special way of formatting content so that it can appear on
small screens, like those on wireless phones or PDAs. WAP is becoming a global
standard for developing and delivering Internet content to wireless devices.
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Web Provisioning
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The ability for customers to create and manage their Contacts and Talk Groups.
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Wireless Application
Protocol
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See WAP
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Wireless Markup Language
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See WML
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WML
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(Wireless Markup Language) Open language that allows the text from Web
pages to be displayed on wireless phones and handheld devices. WML is part
of the Wireless Application Protocol (WAP). With a device that has a WML-
compliant mini-browser , you can browse Internet and intranet sites written
in HDML.
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