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78 VX3400
Glossary
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Melody composer
Feature that allows you to create melodies using
the phone's keypad.
EZ Tip Calc
Feature for easy bill calculation using the total
cost, tip, and number of people as variables.
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DTMF Dual-Tone Multi Frequency (or “touch-
tone”) is a method used to communicate
keys pressed on the phone. Pressing a
key generates two simultaneous tones,
one for the row and one for the column
to determine which key was pressed.
EMS Enhanced Messaging Service is an
extension to SMS for cellular phones
available on specific networks. An EMS
enabled phone can send and receive
messages with special text formatting
(such as bold or italic), animations,
pictures, icons, sound effects, and
special ring tones. EMS messages sent
to non-EMS devices will be displayed as
SMS transmissions.
ERI Enhanced Roaming Indicator is a feature
to indicate whether a mobile phone is on
its home system, a partner network, or a
roaming network. Many phones indicate
home vs. roaming as an icon, but ERI
capable phones can clearly indicate
third “partner network” status.
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