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
DescriptionField
Data rates required by the AP at which the station
must be capable of operating.
Basic rates
Data rates supported by the AP that are optional for
the station to operate at.
Optional rates
Supported HT MCS
Supported VHT (rx) rates
Supported VHT (tx) rates
DTIM period
A two-digit country code. Country information might
not be displayed if the country information element
(IE) is not present in the beacon.
Country code
List of supported channels (from the country IE).Channels
Power constraint
Power limit
Percentage of time, normalized to 255, in which the
AP sensed the medium was busy, as indicated by the
physical or virtual carrier sense (CS) mechanism.
Channel utilization
Total number of spanning tree algorithms (STAs)
currently associated with this BSS.
Station count
An unsigned integer that specifies the remaining
amount of medium time available through explicit
admission control, in units of 32 microseconds per
second.
Admission capacity
Support for Wi-Fi Multimedia Extensions.WMM supported
Unscheduled Automatic Power Save Delivery
(UAPSD) is supported by the AP. May only be
available if WMM is supported. This feature is critical
to talk time and achieving maximum call density on
the wireless IP phone.
UAPSD supported
CCX-compliant AP supports responding to IP ARP
requests on behalf of the associated station. This
feature is critical to standby time on the wireless IP
phone.
Proxy ARP
Cisco Wireless IP Phone 8821 and 8821EX User Guide
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Troubleshooting
Perform WLAN Diagnostics