Cisco 7921

USER GUIDE
Cisco Unified IP Phone 7921 (SCCP) for Cisco Unified
Communications Manager Express 4.3
1 Overview
2 Operating Your Phone
3 Phone Features and Functions

Cisco 7921 Specifications

General

Battery Life (Talk Time)	Up to 8 hours
Headset Jack	2.5 mm
Network Protocols	SIP, SCCP
Frequency Band	2.4 GHz, 5 GHz
Audio Codec Support	G.711, G.729, G.722
Wireless Standards	802.11a, 802.11b, 802.11g
Security	WEP, WPA, WPA2
Battery	Lithium-ion
Headset Port	2.5 mm
Power Supply	Power over Ethernet (PoE)
Operating Temperature	32 to 104°F (0 to 40°C)
Storage Temperature	-4 to 140°F (-20 to 60°C)
Relative Humidity	10% to 95% (non-condensing)

Summary

Overview

Phone Physical Layout

Detailed explanation of the phone's physical components and their functions.

Phone Screen Layout and Indicators

Connecting and Charging the Phone

Guide on setting up the phone, including battery installation and charging.

Operating Your Phone

Entering and Editing Text on the Phone

How to input characters, numbers, and symbols using the phone keypad.

Navigating Feature Buttons and Menus

Navigating phone menus and using feature buttons for accessing options.

Understanding Phone Buttons and Shortcuts

Choosing and Configuring Network Profiles

Accessing and Managing Voice Messages

Steps to check for and listen to voice messages on the phone.

Using Directory Dialing Features

Managing Your Personal Directory

Using Handset, Headset, and Speakerphone Modes

Using the phone with its handset, an external headset, or the speakerphone.

Setting Up and Using Speed Dialing

Answering Calls with Call Pickup

Storing and Retrieving Parked Calls

Transferring Calls

Redirecting active calls to another number.

Using Cisco Extension Mobility (EM)

Using the Push to Talk Service