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
Chapter 9 Troubleshooting the Cisco Unified Wireless IP Phone 7921G
General Troubleshooting Information
9-22
Cisco Unified Wireless IP Phone 7921G Administration Guide for Cisco Unified CallManager Release 4.1, 4.2, 5.0
OL-10802-02
Troubleshooting Tips for the Cisco Unified Wireless
IP
Phone 7921G
Table 9-3 provides general troubleshooting information for the wireless IP phone.
Ta b l e 9-3 unified IP phone Troubleshooting Tips
Summary Explanation
Phone is resetting The phone resets when it loses contact with the
Cisco
Unified CallManager software. This lost connection can
be due to any network connectivity disruption, including access
point problems, switch outages, and switch reboots.
See the “Symptom: unified IP phone Resets Unexpectedly”
section on page 9-11.
Time on phone is incorrect Sometimes the time or date on the phone is incorrect. The
Cisco
Unified Wireless IP Phone 7921G gets its time and date
when it registers with Cisco
Unified CallManager. Power cycle
the phone to reset the time or date.
The time shows in either 12 hour or 24 hour format.
Ring volume is too low To see if the ring volume is set correctly on the phone, choose
Settings >Phone Settings > Sound Settings > Volumes. Scroll
up for the highest volume
You can also press the volume button on the side of the phone
and the volume setting appears on the phone screen.
Phone does not ring To see if the phone is set to ring, choose Settings > Phone
Settings > Sound Settings > Alert Pattern, and check that it a
ring setting is selected.
To see if a ring tone has been set for the phone, choose Settings
> Phone Settings > Ring Tone. If none is set, add a ring tone
for the phone.
To see if the speaker is functioning properly, adjust the ring
volume settings to the highest level. Enable keypad tones or call
the phone to check the speaker.