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Glossary – Sony CM-B1200 User Manual

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A

Automatic answer

Feature that automatically answers
calls.

Automatic NAM

Feature that automatically selects an
available NAM that matches the current
serving system (carrier).

Automatic retry

Feature that automatically redials a call
when a “System Busy” indication is
received.

B

Banner

Message at the top of the standby
display.

C

Calls List

See “Phone Book.”

Carrier

A company that provides cellular and
PCS telephone service.

CDMA

Code Division Multiple Access. A
spread-spectrum approach to digital
transmission. With CDMA, each
conversation is digitized, and then
tagged with a code. The mobile phone
receives only the signal with the
appropriate code.

Coverage area

The geographic area covered by one
carrier. If you travel outside a carrier’s
area, you cannot receive service from
that carrier. Also see “Roam.”

D

Dropped call

A call terminated because of a deep,
long fade or because the user left the
coverage area.

DTMF

Dual Tone Multiple Frequency, also
known as “touch-tone.” Tone generated
when you press a telephone button
(number,

*

, or #). Can be used to access

answering machines, pagers, telephone
banking services, data services, and
other electronic services.

E

ESN

Electronic Serial Number. The unique
identification number of your
telephone. The telephone transmits this
number to the base station every time a
call is placed.

Emergency number

In addition to the general emergency
number (911 for the U.S.A. and
Canada), three phone numbers can be
stored as emergency numbers in your
telephone. You can dial these numbers
and 911 even when the phone is locked.

H

Home area

The area of the home system to which
you subscribe.

I

Incoming call

A call received by your telephone.

Glossary

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