Remove the Phone from the Non-Lockable Wall Mount 113
Adjust the Handset Rest 115
Cisco IP Phone Administration 117
PART IV
Cisco IP Phone Security 119
CHAPTER 8
Security Features 119
Domain and Internet Setting 119
Configure Restricted Access Domains 119
Configure the Internet Connection Type 119
DHCP Option Support 120
Configure the Challenge for the SIP INVITE Messages 121
Transport Layer Security 122
Configure SIP Over TLS Signaling Encryption 122
Configure LDAP over TLS 122
Phones Supported in this Document 123
Cisco Product Security Overview 123
Cisco IP Phone Customization 125
CHAPTER 9
Phone Information and Display Settings 125
Configure the Phone Name 125
Change Wallpaper from the Phone Page 126
Add a Logo as the Boot Display 126
Adjust Backlight Timer from Configuration Utility 127
Configure the Number of Call Appearances Per Line 127
Reverse Name Lookup for Incoming and Outgoing Calls 127
Enable and Disable Reverse Name Lookup 128
Call Features Configuration 129
Enable Call Transfer 129
Call Forward 129
Enable Call Forwarding on Voice Tab 129
Enable Call Forwarding on User Tab 130
Enable Conferencing 130
Enable Remote Call Recording with SIP REC 130
Cisco IP Phone 7800 Series Multiplatform Phones Administration Guide
viii
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