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DescriptionItem
Functions as traditional phone handset.Handset1
Indicates new voice message (steady red) or an incoming call (blinking).Message waiting
indicator
2
Displays phone menus and call activity including caller ID (phone number), call
duration, and call state.
Phone screen3
Allows you to scroll through menu items and highlight items. When the phone
is on-hook, displays the call logs (Missed Calls, Received Calls, Placed Calls)
and your Speed Dials.
Navigation Pad and
Select (center)
button
4
Provides access to phone settings such as call history, user preferences, phone
configuration (including administration settings, device configuration, network
configuration, and other common configurations), and phone model information.
Application button5
Toggles back to the previous setting.Previous button6
Places an active call on hold.Hold button7
Transfers active calls to another extension.Transfer button8
Dials the last dialed number.Redial button9
Allows you to dial phone numbers and enter numbers or letters.Keypad10
Selects the speakerphone. When the speakerphone is on, the button is lit.Speakerphone
button
11
Controls the handset and speakerphone volume (off-hook) and the ringer volume
(on-hook).
Volume button12
Mutes the speakerphone and handset. If the button is lit, the speaker and handset
are muted.
Mute button13
Cisco Unified IP Phone 3905 User Guide for Cisco Unified Communications Manager Express Version 8.8 (SIP)
2 OL-24411-01
Overview
Physical Description of Cisco Unified IP Phone 3905