Cisco Phone Voice Systems Glossary

Abbreviated Dialing (AD)

Dialing (AD) allows you to store selected phone numbers for quick and easy dialing. Each telephone number can be dialed by using an abbreviated number or code.

Analog Lines or Phones

For voice communication, Analog Lines are provided for student use, and other low-volume users on campus. Additionally, Analog lines are used for fax machines, modems and credit card readers.

Auto Call Back

Auto Call Back allows you to have a previously busy or unanswered extension automatically called back once it becomes available. (6408 and 6424 Sets Only)

Auto Dial Button

This feature allows you to program a button on your telephone to automatically dial a number or extension when pressed.

Call Appearance

Digital, multi-appearance telephones come with three call appearances of your telephone number. You can have three separate simultaneous conversations using all three call appearance buttons. The first two call appearance buttons can make and receive calls. The third call appearance is reserved for outgoing calls. The call appearance button's green indicator lamp will light up when in use and when idle the red indicator lamp will be lit on the first call appearance.

Call Coverage

Call Coverage is a predetermined pathway for your incoming calls to follow if they are not answered. You may have up to three points in your Coverage Path and Voice Mail may be one point. However, voice mail must always be the last point in your coverage path.

Call Forwarding

Call Forwarding allows you to temporarily redirect all of your incoming calls to another telephone number. This feature will always override your call coverage path. If the call is not answered at the forwarding number, it will return to your programmed call coverage path.

Call Pick Up

Call Pick Up allows anyone in a specified group to answer an incoming call regardless of whether the ringing line is on their telephone.


Conference allows up to three callers to participate in a call simultaneously. Larger Conferences may be arranged by contacting the NCT Service Center at extension x5-4400.

Dial Pad

The Dial Pad consists of the numbered buttons (0 through 9), * and #.

Digital Lines or Phones

Digital Phones have three or more call appearances of its extension and lighted buttons to access features.


The Display window is located at the top of your telephone and you may view the date and time, information about a caller, or feature activation instructions there. While on a call you can view information about the current caller. When a second call comes in, the display automatically changes and you can view information about the second caller for about 30 seconds. The display will then revert to the original call information.


The Drop button allows you to release the last call initiated in a conference, get dial tone after dialing a busy number or terminate a call without having to replace the handset.


A feature is a specifically defined function or service such as Call Forwarding, Abbreviated Dialing, Call Pick Up, etc. Each telephone is programmed with a specific feature package.

Fixed Feature Buttons

Fixed Feature Buttons are non-programmable buttons that provide specific functions. The Fixed Feature Buttons are Speaker, Mute, Hold, Redial, Transfer (Trnsfr), Conference (Conf) and Volume Control. (6408 and 6424 Sets Only)

Flash Hook see Switchhook (Spkr)


A handset is part of the telephone that you lift to your ear and mouth to communicate.


This feature displays call-related information about an incoming call.


Off-hook occurs when the handset is not resting on the station’s switch hook/flash hook or the Speaker button is activated.


On-hook occurs when the handset is resting on and depressing the station’s switch hook/flash hook.

Priority Ring

A three-burst ring that signals you when your send call button has been overridden. When using your auto call back feature, this will also alert you when your call has been answered.

Program Button

Allows you to program your auto-dial and abbreviated dial buttons.

Send All Calls

Send All Calls is a feature used when you don’t want your telephone to ring, but want to send your calls directly to your Call Coverage Path. This feature is often used to provide call screening.


Softkeys are located immediately below your display window and provide access to 12 additional features. (6408 and 6424 Sets only)


The lever, located under the handset, that disconnects your current connection when pressed.


Terminal, set, station or voice terminal all refer to the communication equipment commonly referred to as your telephone.

Terminal Busy Indicator (TBI)

A Terminal Busy Indicator is a button programmed to light up indicating when a specified telephone is in use. These buttons are also programmed to perform an additional function of automatically dialing the number programmed for the TBI.

Voice Mail Message Indicator

The Voice Mail Message Indicator lamp lights when you have new voice mail messages.