User's Manual
Table Of Contents
- Cisco Wireless IP Phone 8821 and 8821EX User Guide
- Contents
- Your Phone
- Phone Setup
- Calls
- Access the Phone App
- Make Calls
- Make a Call
- Make an Emergency Call
- Make a Call with a Headset
- Make a Call with the Speakerphone
- Make a Call with a Phone or Video Address
- Redial a Number
- Return a Recent Call
- Make a Call from the Phone App with a Favorite
- Speed Dial
- Dial an International Number
- Get Notified When a Contact is Available
- Calls That Require a Billing Code or Authorization Code
- Secure Calls
- Answer Calls
- End a Call
- Mute Your Audio
- Hold Calls
- Forward Calls From Your Phone
- Transfer a Call to Another Person
- Conference Calls and Meetings
- Intercom Calls
- Supervise and Record Calls
- Prioritized Calls
- Multiple Lines
- Contacts
- Access the Contacts App
- Corporate Directory
- Personal Directory
- Sign In and Out of a Personal Directory
- Search for a Contact in Your Personal Directory
- Add a New Contact to Your Personal Directory
- Find Contact Information for a Personal Directory Contact from Your Phone
- Edit a Contact in Your Personal Directory
- Call a Contact from Your Personal Directory
- Remove a Contact from Your Personal Directory
- Local Contacts
- Search for a Contact in Your Local Contacts List
- Add a New Contact to Your Local Contacts List
- Find Contact Information for a Local Contact from Your Phone
- Edit a Contact in Your Local Contacts List
- Call a Contact from Your Local Contacts List
- Remove a Contact from Your Local Contacts List
- Remove all Local Contacts
- Favorites
- Recent Calls
- Applications
- Settings
- Access the Settings App
- Access Phone Settings
- Make the Phone Vibrate for an Incoming Call
- Select Where You Hear the Ringtone
- Change the Ringtone
- Adjust the Headset Feedback
- Turn Off the Keypad Sounds
- Adjust the Screen Brightness
- Change the Font Size
- Control the LED Indicator Light
- Change the Screen Display Timeout
- Change the Wallpaper
- Automatically Lock the Keypad
- Date and Time Settings
- Access Wi-Fi Settings
- Access Bluetooth Settings
- Access Admin Settings
- Access Phone Settings
- Adjust the Volume in a Call
- Adjust the Ringtone Volume
- Access the Settings App
- Accessories
- Troubleshooting
- Product Safety and Security
- Safety and Performance Information
- Compliance Statements
- Cisco Product Security Overview
- Important Online Information
Procedure
Step 1
Access the Settings app.
Step 2
Select Admin settings > Diagnostics > Keypad.
Step 3
Press any key to check if it works correctly.
Perform WLAN Diagnostics
You can check the Wi-Fi connection for your phone.
Procedure
Step 1
Access the Settings app.
Step 2
Select Admin settings > Diagnostics > WLAN.
Step 3
Select an access point.
The phone lists the access points in order, from the strongest signal to the weakest or offline access point.
WLAN Diagnostics Fields
The following table describes the fields in the WLAN Diagnostics screen.
DescriptionField
Name of the access point (AP) to which the phone is
associated
AP name
BSSID
The Service Set Identifier (SSID) that the phone is
using.
SSID
The frequency that the phone is using.Frequency
The channel that the phone is using.Current channel
Last Received Signal Strength Indicator (RSSI) that
the phone received.
Last RSSI
Number of time units between beasona. A time unit
is 1.024 milliseconds.
Beacon interval
Capability
Cisco Wireless IP Phone 8821 and 8821EX User Guide
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Troubleshooting
Perform WLAN Diagnostics