Cisco Unified IP Phone 7921 - Manual (Page 2)

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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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