Cisco 521SG - Unified IP Phone VoIP, Руководство пользователя

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3
Connecting Your Phone
This section shows and describes the connectors on your Cisco Unified IP phone.
8 Volume button Increases or decreases handset, headset, ringer, or speakerphone volume.
9
Mute button Toggles mute on and off.
10 Speaker button Toggles speaker on and off.
11 Headset button Toggles headset on and off.
12
Keypad Functions as a traditional phone keypad.
13
Handset Functions as a traditional handset.
1
Optional DC adapter port (DC5V) for phones
not provided with inline power
2 Headset port
3 AC-to-DC power supply
4 AC power cord
Name (continued) Description (continued)