B channel (Bearer channel)

B channel (Bearer channel). An ISDN standard transmission channel used for voice or data transmission.
Base station: A hardware component that is mounted on walls and ceilings to provide a radio link to an office or other area where portable telephones are used. Each base station houses two radios that allow portables to send and receive calls through the ICS.
Background Music: A feature that allows you to hear music from the speaker of your Norstar telephone. It is available only if a music source has been attached to the ICS and the feature has been enabled under Feature settings in Sys prgrmmng.
Basic password: A one- to six-digit password that prevents unauthorized access to the most commonly-used telephone settings. The Basic password can be assigned and changed in Passwords programming.
Basic Rate Interface (BRI): An ISDN interface which uses two
B channels and a D channel (2B+D).
Bearer channel: See B channel.
Business series terminals These terminals were developed to replace the Norstar M-series terminals. Therefore, their functionality closely parallels the M-series terminals.
button caps: Interchangeable plastic caps that fit over the buttons of legacy Norstar M-series telephones. They are used to indicate the features programmed onto each programmable memory button. Button caps are either pre-printed or have clear windows that allow you to insert labels.
Button Inquiry: ≤•‚ With this feature you can check the function of each programmable button on your system telephone.
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Call Duration timer: ≤‡‡ A feature that allows you to see how long you spent on your last call, or how long you have been on your present call.
Call Forward: ≤›
A feature that forwards all the calls arriving at your telephone to another telephone in your Norstar system. To have calls forwarded outside the system, use Line Redirection.
Call Forward No Answer: A feature that forwards all calls arriving at your telephone to another designated telephone in your Norstar system after a specific number of rings. Call Forward No Answer is assigned under Capabilities in Terminals&Sets programming.
Call Forward On Busy: A feature that forwards all calls at your telephone to another designated telephone if your telephone is busy. This feature is assigned under Capabilities in Terminals&Sets programming.
Call Forward Override: An automatic system feature that allows you to call someone and ask them to stop forwarding their calls to you.
Call Information: ≤°⁄⁄ Call Information allows you to display information about incoming calls. For external calls, you can display the caller name, telephone number and the line name. For an internal call, you can display the name of the caller and the internal number. You can obtain information about ringing, answered, or