Voip Networks; Network Requirements - Cisco 8821 Administration Manual
Wireless ip phone
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Also See for 8821:
- Manual (202 pages) ,
- User manual (116 pages) ,
- Accessory manual (30 pages)
Table of Contents
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VoIP Networks
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Network Requirements
For the phone to successfully operate as an endpoint in your network, your network must meet the following
requirements:
• VoIP Network
• IP network that supports DHCP or manual assignment of IP address, gateway, and subnet mask
• Wireless LAN
Network Requirements, page 15
Wireless LAN, page 19
Wi-Fi Network Components, page 20
Security for Communications in WLANs, page 25
WLANs and Roaming, page 28
Voice Messaging System Interaction, page 29
◦ VoIP is configured on your Cisco routers and gateways.
◦ Cisco Unified Communications Manager is installed in your network and is configured to handle
call processing.
◦ Access Points (APs) are configured to support voice over WLAN.
◦ Controllers and switches are configured to support voice.
◦ Security is implemented for authenticating wireless voice devices and users.
Cisco Wireless IP Phone 8821 and 8821-EX Administration Guide for Cisco Unified Communications Manager
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C H A P T E R
15
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Troubleshooting
