3Com NBX 100, Manual

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The pre-assigned features are as follows:
Feature Code Button — Press to access features which are not
assigned to an Access button on your telephone using feature
codes. For more information, see
“Using Feature Codes” on page
23 .
Direct Mail Transfer Button — Press to send a caller directly to
another user’s voice mail. For more information, see “Direct Mail
Transfer” on page 27 .
Call Park Button — Press to place a call in a “holding pattern” so it
can be retrieved from any other telephone on the system. For more
information, see
“Call Park” on page 25 .
Flash Button — Use to activate certain features that may be
available from your local telephone company, such as Call Waiting.
Release Button — When using a headset with microphone instead
of the handset, use the Release button to end calls. For more
information, see
“Release (Using a Headset)” on page 29 .
Mute Button — While on a speakerphone call, press the Mute button to
turn the speakerphone’s microphone off. The Mute button does not
mute the handset. For more information, see
“Mute” on page 22 .
Volume Control Buttons — Press to adjust the volume of the handset,
the speaker, or the ringer. For more information, see “Setting the
Volume” on page 22 .
Speaker Button — Press to activate the speakerphone. The indicator
above the button lights up when this feature is enabled. For more
information, see
“Using the Speakerphone” on page 22 .
Redial Button — Press this to redial the last telephone number or
extension you called.
Conference Button — Use to establish a single call with up to three
additional internal and/or external parties. For more information, see
“Conferencing Other Parties on a Call” on page 21 .
Transfer Button — Use to send a call to another telephone. For more
information, see “Transferring a Call” on page 20 .
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