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Cisco Wireless Phone
Cisco Wireless Phone 9821
Series
Cisco Wireless Phone
Overview
Product Overview
Product Type
IP Phones
Status
Available
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Release Date
03-FEB-2026
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US/Canada 800-553-2447
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Key Information
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Key Information
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Document Categories
Data Sheets and Product Information
Design
Maintain and Operate
Troubleshooting
See also:
Translated End-User Guides
Data Sheets and Product Information
Data Sheets
Cisco Wireless Phone 800 Series Data Sheet
09-Jul-2025
End-of-Life and End-of-Sale Notices
End-of-Sale and End-of-Life Announcement for the Cisco Wireless Phone 840
14-Oct-2025
Design
Design Guides
Cisco Wireless 860 and 860S Battery Guidelines
20-Nov-2025
(PDF - 174 KB)
Cisco Wireless Phone 840 and 860 Deployment Guide
18-Oct-2023
(PDF - 38 MB)
Cisco Wireless Phone 800 Series Developer's Guide
07-Jun-2023
Maintain and Operate
End-User Guides
Cisco Wireless Phone 840 and 860 User Guide
16-Oct-2023
Maintain and Operate Guides
Cisco Wireless Phone 840 and 860 Administration Guide for Cisco Unified Communications Manager
26-Mar-2026
updated
Troubleshooting
Troubleshooting TechNotes
Collect PCAP Trace from MPP IP Phones
02-Feb-2024
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