3Com 3103 - NBX Manager VoIP Phone, User Manual

Page: 63 / 148

Setting the Volume 63
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Entering a feature code followed by an on-hook event
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Invoking Directory followed by an on-hook event
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Going off-hook then on-hook
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Using F 111 to terminate a session
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You cannot initiate an Automatic Callback to:
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An external number
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An ACD extension
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A Hunt Group extension
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A TAPI RoutePoint extension
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A Call Park extension
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An extension receiving a transferred call
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A Phantom extension
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You cannot initiate Automatic Callback to a device connected to an
Auto Attendant or Voicemail.
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If Call Forward All or Do Not Disturb is enabled on the Automatic
Callback destination extension, the message “Not Allowed” is
displayed at the telephone attempting to initiate the Automatic
Callback.
For additional tips and considerations on using Automatic Callback, see
your NBX system administrator.
Setting the Volume
On any 3Com Telephone, use the Volume Control buttons to raise or
lower one of these volumes:
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Ring Volume — To raise or lower the volume of the ring, press the up
or down Volume Control button repeatedly while your telephone is
ringing, until the volume is at the level that you prefer. To read how
ringer volume is different from ringer tone, see “Ringer Tones” in
Chapter 5 .
■
Handset Volume — To raise or lower the volume of the dial tone or
the sound that you hear when you are using the handset, pick up the
handset and then press the up or down
Volume Control button
repeatedly until the volume is at the level that you prefer. You can
change the handset volume during a conversation or by listening to
the dial tone.