Cisco 7821 Administration Guide

• Line buttons—Used to answer a call or resume a held call. When not used for an active call, used
to initiate phone functions, such as the missed calls display.
Feature and line buttons illuminate to indicate status:
• Green, steady LED—Active call or two-way intercom call
• Green, flashing LED—Held call
• Amber, steady LED—Privacy in use, one-way intercom call, or logged into a Hunt Group
• Amber, flashing LED—Incoming call or reverting call
• Red, steady LED—Remote line in use (shared line or Line Status) or Do Not Disturb (DND) active
• Red, flashing LED—Remote line on hold
Your administrator can set up some functions as softkeys or as feature buttons. You can also access some
functions with softkeys or the associated hard button.
Terminology Differences
The following table highlights some of the terminology differences in the Cisco IP Phone 7800 Series
Multiplatform Phones User Guide and the Cisco IP Phone 7800 Series Multiplatform Phones Administration
Guide
Table 7: Terminology Differences
Administration GuideUser Guide
Message Waiting Indicator (MWI) or Message
Waiting Lamp
Message Indicators
Voice Messaging SystemVoicemail System
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
29
About the Cisco IP Phone
Terminology Differences

Cisco 7821 Specifications

General

Brand	Cisco
Model	7821
Category	IP Phone
Language	English