8821 - Phone CISCO - Free user manual and instructions
Find the device manual for free 8821 CISCO in PDF.
Pick your language and provide your email: we'll send you a specifically translated version.
| Product Type | Cisco Wireless IP Phone 8821 |
| Dimensions (H x W x D) | 6.1 x 2.3 x 0.9 in (155 x 58 x 22 mm) |
| Weight | 6.1 oz (173 g) including battery |
| Power Supply | Rechargeable lithium-ion battery, 3.7V, 1500 mAh |
| Battery Life | Up to 12 hours talk time, up to 100 hours standby |
| Display | 2.4-inch color QVGA (320x240) LCD with backlight |
| Wireless Connectivity | Dual-band Wi-Fi (802.11a/b/g/n/ac), Bluetooth 4.0 |
| Key Features | Push-to-talk, programmable keys, noise reduction, IP54 rating (dust/water resistant) |
| Audio | Wideband audio, integrated speakerphone, headset support |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
| Cleaning Instructions | Wipe with a soft dry cloth; do not use liquid cleaners or abrasives |
| Safety Certifications | FCC, CE, IC, UL, RoHS, WEEE |
| Spare Parts Available | Battery pack, charging cradle, belt clip, headset |
| Repairability | Battery and SIM card are user-replaceable; other repairs require authorized service |
| Warranty | Limited 1-year hardware warranty |
| Product Color | Graphite gray with yellow accents |
| Network Compatibility | Cisco Unified Communications Manager 8.x/9.x/10.x |
| Package Contents | Phone, battery, charging cradle, power adapter, belt clip, quick start guide |
Frequently Asked Questions - 8821 CISCO
How do I turn on/off the Cisco 8821 phone?
Press and hold the End Call button for 2 seconds to power on or off.
How do I connect to a Wi-Fi network?
Go to Settings > Wi-Fi, select your network, enter the password using the on-screen keyboard.
How long does the battery take to charge?
Fully charging the battery takes approximately 2.5 hours using the included charging cradle.
Can I use the phone in wet conditions?
Yes, the Cisco 8821 has an IP54 rating, meaning it is resistant to dust and water splashes, but not submersible.
How do I pair a Bluetooth headset?
Go to Settings > Bluetooth, enable Bluetooth, select your headset from the list and confirm pairing.
How to set up push-to-talk (PTT)?
Contact your system administrator to enable PTT service. Then use the dedicated PTT button on the side of the phone.
What does the LED indicator mean?
Solid green: registered to network. Flashing green: incoming call. Solid red: low battery or error. Flashing red: missed call.
How do I reset the phone to factory settings?
Go to Settings > Device Administration > Factory Reset. Confirm the reset. The phone will reboot.
Can I use the phone without a SIM card?
Yes, the Cisco 8821 uses Wi-Fi for connectivity. The SIM card slot is for optional cellular network use (if supported by carrier).
How to replace the battery?
Power off the phone, slide the battery cover down, remove the old battery, insert the new battery, and replace the cover.
User questions about 8821 CISCO
0 question about this device. Answer the ones you know or ask your own.
Ask a new question about this device
No questions yet. Be the first to ask one.
Download the instructions for your Phone in PDF format for free! Find your manual 8821 - CISCO and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. 8821 by CISCO.
USER MANUAL 8821 CISCO
Manual assistant
Powered by Anthropic
Waiting for your message
Product information
Brand : CISCO
Model : 8821
Category : Phone