Specifications
Table Of Contents
- Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0 and Later
- Contents
- Preface
- An Overview of the Cisco Unified Wireless IP Phone 7921G
- An Overview of the Voice Over IP Wireless Network
- Understanding the Wireless LAN
- Components of the VoIP Wireless Network
- Voice Over IP Wireless Network Configuration
- Site Survey Verification
- Setting Up the Cisco Unified Wireless IP Phone 7921G
- Before You Begin
- Installing the Cisco Unified Wireless IP Phone 7921G
- Powering On the Cisco Unified Wireless IP Phone 7921G
- Understanding the Phone Startup Process
- Using the Cisco Unified Wireless IP Phone 7921G Web Pages
- Using the USB Connection for Initial Phone Configuration
- Updating Phones Remotely
- Configuring Network Profiles
- Configuring USB Settings
- Configuring Trace Settings
- Using System Settings
- Configuring Settings on the Cisco Unified Wireless IP Phone 7921G
- Accessing Network and Phone Settings
- Configuring Network Profile Settings
- Changing Phone Settings
- Configuring the Security Certificate on the Phone
- Changing the USB Configuration
- Configuring Features, Templates, Services, and Users
- Configuring Cisco Unified Wireless IP Phones in Cisco Unified CallManager
- Telephony Features Available for the Phone
- Specific Configuration Options for the Cisco Unified Wireless IP Phone 7921G
- Configuring Softkey Templates
- Modifying Phone Button Templates
- Setting Up Services
- Configuring Corporate and Personal Directories
- Adding Users to Cisco Unified CallManager
- Managing the User Options Web Pages
- Creating Custom Phone Rings
- Viewing Security, Device, Model, and Status Information on the Phone
- Monitoring the Cisco Unified Wireless IP Phone Remotely
- Troubleshooting the Cisco Unified Wireless IP Phone 7921G
- Resolving Startup and Connectivity Problems
- Resolving Voice Quality and Roaming Problems
- General Troubleshooting Information
- Erasing the Local Configuration
- Providing Information to Users By Using a Website
- Supporting International Users
- Physical and Operating Environment Specifications
- Checklist for Deploying the Cisco Unified Wireless IP Phone 7921G
- Index
Appendix D Checklist for Deploying the Cisco Unified Wireless IP Phone 7921G
Configuring QoS Policies
D-4
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Procedure
Step 1 Use SSH or Telnet to access the Airespace controller or controllers.
Step 2 Enter config advanced eap request-timeout 20
Step 3 Enter save config
Step 4 Enter y to confirm.
Configuring QoS Policies
To ensure that voice traffic receives the highest priority in the WLAN and to place
signaling traffic in a higher priority than data traffic, you need to make these
changes to QoS policies and device settings.
Access Point Configuration Settings
For detailed information about configuring the Cisco Aironet Access Points, refer
to this URL:
http://www.cisco.com/univercd/cc/td/doc/product/wireless/airo1200/accsspts/b1
238ja/1238jasc/index.htm
On the IOS access points, add the following Classifications to your IOS Access
Point QoS policy:
• DSCP Expedited Forwarding—COS Voice <10ms Latency (6)
Apply this policy to your voice VLAN for both incoming and outgoing traffic.
• DSCP Best Effort—COS Best Effort (0)
Apply this policy to your data or native VLAN for both incoming and
outgoing traffic.
Under the Advanced tab, set the following:
• QoS Element for Wireless Phones—Enable.
• Dot11e—Enable.
• IGMP Snooping—Enable.