Toshiba DK40I 用户手册

Auto Attendant (built-in or external). This feature acts as an automatic operator that directs 
incoming callers to stations by offering a menu of dialing prompts.

Automatic Call Distribution. Allows incoming calls to be distributed to a group of ACD agents. 
The ACD supervisor’s LCD telephone displays ACD Agent and Group information which 
allows the supervisor to monitor calls and assist agents.

Automatic Call Distribution (ACD) with Management Information System (MIS).

Add-on Module—See DADM

A 25-pair connector typically used on a multi-button telephone set for interfacing cables to 
many electronic key and PBX systems.

Automatic Number Identification—Telephone number of the calling party is sent to the Strata 
DK system over incoming DID or tie lines. This feature is provided by some long distance 
telephone service companies.

Represents all of the DK424i processors. The DK424i processors are: B1CU, B2CAU/
B2CBU, B3CAU/B3CBU, B5CAU/B5CBU.

Abbreviation for the B2CAU/B2CBU.

Abbreviation for the B3CAU/B3CBU.

Abbreviation for the B5CAU/B2CBU.

Used in ISDN. Data or voice information is transmitted on the B-channels of an ISDN line at 
64kpbs. The B-channel refers to the frequency range of transmissions on a copper pair; it is 
a logical, rather than a physical channel. Also see BRI and PRI.

Bipolar 8 Zero Substitution.

Background Music—Allows customer-supplied music to be sent to telephone speakers and 
external speakers.

Bits Per Second—Unit of measure that refers to the transmission speed (baud rate) of 
electronic signals. It is used when describing data interface unit and modem operation.

Basic Rate Interface—ISDN line with 2B + 1D channel. BRI lines can have a 
U-interface with RJ-11 jacks and single twisted pair wiring, or RJ-45 four pair S/T interface 
wiring.

Centralized Automatic Message Accounting. A special trunk provided by the phone company 
or the E911 Public Safety Answering Point Agency.