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Chapter 3 Setting Up the Cisco Wireless IP Phone 7920
Before You Begin
3-2
Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later
OL-3930-02
Network Requirements
For the Cisco Wireless IP Phone 7920 to successfully operate as a Cisco IP Phone
endpoint in your network, your network must meet the following requirements:
• Working VoIP Network
–
Voice over IP (VoIP) configured on your Cisco routers and gateways
–
Cisco CallManager Release 3.3(3) SR1 or higher installed in your
network and configured to handle call processing
Note You can use the Cisco Wireless IP Phone 7920 with
Cisco CallManager 3.2, but you must configure the phone as a
Cisco IP Phone 7960 device type. See the “Support for the Cisco
7920 Phone Type” section on page 2-14.
• IP network that supports DHCP or manual assignment of IP address, gateway,
and subnet mask
• Working Wireless Network
–
Voice over WLAN configured on your Cisco Aironet Access Points
–
Security implemented for authenticating wireless voice users
Related Topics
• Cisco CallManager Configuration, page 3-2
• Wireless Network and Access Point Configuration, page 3-3
• Safety and Performance Information, page 3-5
Cisco CallManager Configuration
The Cisco IP Phone requires Cisco CallManager to handle call processing. Refer
to Cisco CallManager Administration Guide or context-sensitive help in the
Cisco CallManager Administration application to ensure that Cisco CallManager
is set up properly to manage the phone and to properly route and process calls.