Cisco 7921G - Manual (Page 2)

Chapter 3 Setting Up the Cisco Unified Wireless IP Phone 7921G
Before You Begin
3-2
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Voice-over-Wireless Network (VoWLAN)
• Cisco Aironet Access Points configured to support Voice over WLAN
(VoWLAN)
• Controllers and switches configured to support VoWLAN
• Security implemented for authenticating wireless voice devices and users
Note You must verify that your wireless network is configured properly for voice
service. For more information, see the
“Performing a Site Survey Verification”
section on page 2-31
Voice-over-IP (VoIP) Network
• Cisco routers and gateways configured for Voice over IP (VoIP)
• One of these call control products installed and configured:
– Cisco Unified CallManager Release 4.1, 4.2 or 5.0 and later
– Cisco Unified CallManager Express 4.1 or later
• IP network configured to support DHCP or manual assignment of IP address,
gateway, and subnet mask
Related Topics
• Features Supported on the Cisco Unified Wireless IP Phone 7921G, page 1-5
• Understanding the Wireless LAN, page 2-1
• Methods for Adding Phones to Cisco Unified CallManager, page 3-3
• Installing the Cisco Unified Wireless IP Phone 7921G, page 3-10
• Powering On the Cisco Unified Wireless IP Phone 7921G, page 3-23