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1 Overview
This guide provides phone, soft key, and features descriptions for the Cisco Unified IP Phone models 7921.
Physical Layout
The Cisco Unified IP phone 7921 is a single-line phones.
1
Indicator light
(LED)
Provides these indications:
• Solid red—Phone is connected to AC power source, and battery is charging.
• Solid green—Phone is connected to AC power source, and battery is fully
charged.
• Fast blinking red—Incoming call. (Phone can be charging or fully charged.)
• Slow blinking red—Voice message. (When phone is connected to AC power
source, red light displays longer than when using only the battery.)
• Slow blinking green—Phone is using only battery power. Phone is
registered with the wireless network and is within service coverage area.
2
Headset port Port for plugging in a headset or ear bud.
3
Speaker button Toggles the speaker mode on or off for the phone.
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7921