Cisco 9971 E-1 User Manual
Cisco Phones

E F T D r a f t - C I S C O C O N F I D E N T I A L
iii
Cisco Unified IP Phone 8961, 9951, and 9971 Administration Guide for Cisco Unified Communications Manager 8.5 (SIP)
OL-20861-01
C O N T E N T S
Preface
xi
Overview
xi
Audience
xi
Organization
xi
Related Documentation
xiii
Obtaining Documentation, Obtaining Support, and Security Guidelines
xiii
Document Conventions
xiv
C H A P T E R
1
An Overview of the Cisco Unified IP Phone
1-1
Understanding the Cisco Unified IP Phone 8961, 9951, and 9971
1-2
What Networking Protocols are Used?
1-10
What Features are Supported on the Cisco Unified IP Phone 8961, 9951, and 9971?
1-13
Feature Overview
1-13
Configuring Telephony Features
1-14
Configuring Network Parameters Using the Cisco Unified IP Phone
1-14
Providing Users with Feature Information
1-15
Understanding Security Features for Cisco Unified IP Phones
1-15
Overview of Supported Security Features
1-16
Understanding Security Profiles
1-19
Identifying Secure (Encrypted) Phone Calls
1-19
Establishing and Identifying Secure Conference Calls
1-19
Establishing and Identifying Secure Calls
1-20
Call Security Interactions and Restrictions
1-20
Supporting 802.1X Authentication on Cisco Unified IP Phones
1-22
Overview
1-22
Required Network Components
1-22
Best Practices—Requirements and Recommendations
1-22
Security Restrictions
1-23
Overview of Configuring and Installing Cisco Unified IP Phones
1-23
Configuring Cisco Unified IP Phones in Cisco Unified Communications Manager
1-24
Checklist for Configuring the Cisco Unified IP Phone 8961, 9951, and 9971 in Cisco Unified
Communications Manager
1-25
Installing Cisco Unified IP Phones
1-28
Checklist for Installing the Cisco Unified IP Phone 8961, 9951, and 9971
1-28