Chapter 1
An Overview of the Cisco Wireless IP Phone 7920
Security
Networking Protocols Used with Cisco Wireless
IP Phones
Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later
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Wireless network devices use a service set identifier (SSID).The SSID provides a
way to group a set of user devices that can associate with a set of access points.
Each wireless device that can use the access point is configured with the same
SSID as the AP.
All wireless LAN traffic is seen by all other WLAN devices that are within range,
so securing voice communications is important. To ensure that voice traffic is not
manipulated or intercepted by intruders, the Cisco Wireless IP Phone 7920 and
Aironet APs are supported in the overall Cisco SAFE security architecture.
The Cisco Wireless IP Telephony solution provides the following additional
security areas:
Network access security to prevent unauthorized logins by using encryption
•
and authentication with wireless encryption protocol (WEP) and Cisco Light
Extensible Authentication Protocol (LEAP) and the elimination of rogue
APs.
Password protection for directories and databases including a Cisco Wireless
•
IP Phone 7920 phone lock password.
Related Topics
Networking Protocols Used with Cisco Wireless IP Phones, page 1-7
•
•
Understanding the Cisco Wireless IP Phone 7920, page 1-2
Features Supported on the Cisco Wireless IP Phone 7920, page 1-10
•
Cisco IP Phones support several industry-standard and Cisco networking
protocols for voice communication.
networking protocols that the Cisco Wireless IP Phone 7920 supports.
Networking Protocols Used with Cisco Wireless IP Phones
Table 1-1
provides an overview of the
1-7