Cisco 7921G Administration Guide - Page 3
Contents, Overview of Configuring and Installing the Cisco Unified Wireless IP Phone 7921G
UPC - 882658123108
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1 C H A P T E R 2 C H A P T E R OL-15985-01 CONTENTS Preface xi Overview xi Audience xi Organization xi Related Documentaton xii Obtaining Documentation and Submitting a Service Request xiii Cisco Product Security Overview xiii Document Conventions xiv Overview of the Cisco Unified Wireless IP Phone 7921G 1-1 Understanding the Cisco Unified Wireless IP Phone 7921G 1-1 Features Supported on the Cisco Unified Wireless IP Phone 7921G 1-4 Feature Overview 1-5 Configuring Telephony Features 1-5 Configuring Network Access for the Phone 1-5 Providing Users with Feature Information 1-6 Understanding Security Features for Cisco Unified IP Phones 1-7 Overview of Supported Security Features 1-8 Understanding Security Profiles 1-10 Identifying Encrypted and Authenticated Phone Calls 1-11 Security Restrictions 1-11 Overview of Configuring and Installing the Cisco Unified Wireless IP Phone 7921G 1-11 Configuring the Cisco Unified Wireless IP Phone 7921G in Cisco Unified Communications Manager 1-12 Installing the Cisco Unified Wireless IP Phone 7921G 1-12 Overview of the VoIP Wireless Network 2-1 Understanding the Wireless LAN 2-1 Understanding WLAN Standards and Technologies 2-3 802.11 Standards for WLAN Communications 2-3 Radio Frequency Ranges 2-3 Wireless Modulation Technologies 2-4 AP, Channel, and Domain Relationships 2-4 WLANs and Roaming 2-6 Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified Communications Manager Release 7.0 iii