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Cisco Wireless IP Phone 7920 Administration Guide for Cisco CallManager Release 3.3 or Later
OL-3930-02
Chapter 6 Configuring the Wireless Network Settings on the Cisco Wireless IP Phone 7920
Performing a Site Survey Verification
Performing a Site Survey Verification
After the initial deployment of wireless phones in the WLAN, it is a good practice
to perform site surveys at regular intervals to verify that the APs are providing
adequate coverage and that wireless phones can roam from one AP to another with
no audio problems.
You should use the wireless phones and the Aironet Client Utility (ACU) to verify
that the signal range and transmission power meet the recommendations for an
optimal wireless voice environment. See the “Requirements for an Optimal
Wireless Voice Environment” section on page 6-18.
Use the following topics for information about performing the site survey.
• Site Survey Verification Steps, page 6-15
• Using the Cisco Wireless IP Phone 7920 Site Survey Utility, page 6-16
• Requirements for an Optimal Wireless Voice Environment, page 6-18
Site Survey Verification Steps
For more detailed information about performing a site survey verification, refer
to the “ Wireless IP Telephony Verification section in the Cisco Wireless IP Phone
7920 Design and Deployment Guide.
When you perform a site survey verification and encounter problems, see the
Chapter 9, “Troubleshooting the Cisco Wireless IP Phone 7920” for assistance
with finding the cause of the problem.
Use the following steps to perform a site survey verification:
Site Survey Verification
Step 1
Check that Cisco Wireless IP Phones associate with all APs in the WLAN.
Step 2
Check that Cisco Wireless IP Phones authenticate with all APs in the WLAN.
Step 3
Check that Cisco Wireless IP Phones register with Cisco CallManager.
Step 4
Check that Cisco Wireless IP Phones can make stationary phone calls with good
quality audio.
Step 5
Check that Cisco Wireless IP Phones can make roaming phone calls with good
quality audio and no disconnections.