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Glossary 365
Installation and Maintenance Guide
Handsfree (HF) Answerback
This feature automatically turns on the microphone at a telephone that receives a Voice
Call so that the person receiving the call can respond without lifting the receiver. Activate
Handsfree Answerback under Capabilities in System DNs programming.
Held (Line) Reminder
A telephone rings and displays the message On hold: LINENAM when you place an
external call on hold for programmed period of time.
host name
The name that identifies a computer, on a network that provides services to other
computers in the domain, such as databases or other Business Communications Manager
systems.
Hotline
This feature automatically calls a pre-assigned number when the user lifts the telephone
receiver or presses the Handsfree/Mute button. Assign Hotline under Capabilities in
System DNs programming.
Hypertext Transfer Protocol (HTTP)
The set of rules used for exchanging text, graphic images, sound, video, and other
multimedia files on the world wide web.
Hz (hertz)
A unit of measure for indicating frequency in cycles per second.
Integrated Services Digital Network (ISDN)
A digital telephone service that allows for a combination voice and data transfer over a
single, high-speed connection over the same copper twisted-pair telephone line as analog
telephone service.
intercom button
A button that provides access to internal lines used for calls within a Business
Communications Manager system. These buttons also provide access to external lines
through a line pool or external code. Assign intercom buttons under Line access in
System DNs programming.
internal line
A line on your telephone dedicated to making calls to destinations inside your system. An
internal line can connect you with an external caller if you use it to access a line pool.
Also, you can answer an external caller using the call handling features such as Call Park
or Call Pickup Directed.