Tech specs
Brand
Cisco
Product Line
Cisco Unified Wireless IP Phone
Model
8821-EX
Manufacturer
Cisco Systems
Network Protocols
SRTP, TFTP
Phone Connections
Headphones / mini-phone 3.5 mm, USB
Color Support
Color
Display Diagonal Size
2.4 inch
Display Diagonal Size (metric)
6.1 centimetre
Display Resolution
240 x 320 pixels
Display Type
LCD display
Battery Capacity
2060 mAH
Battery Chemistry
Lithium ion
Battery Rechargeable
Rechargeable
Standby Time
Up to 240 h
Talk Time
Up to 780 min
Indicators & Controls
Voice message waiting indicator
Multiple Conferencing
Yes
Speakerphone
Yes
Voice Codec
G.711a, G.711u, G.722, G.729a, G.729ab, iLBC
Wireless Handsets
1
Additional Functions
Intercom
Call Services
Call Forwarding, Call Hold, Call Waiting, Caller ID
Cordless Phone Standard
IEEE 802.11a/b/g/n/ac (Wi-Fi)
Dialer Location
Handset
Integrated Components
Bluetooth interface
Lines Supported
6 lines
Packaged Quantity
1
Product Type
Cordless extension handset
Security
TLS
VoIP
Yes
VoIP Protocols
SIP
Volume Control
Yes
Wireless Interface Provided
Bluetooth
Phone Accessories Included
Power adapter
Handset Depth
1.7 centimetre
Handset Height
13.2 centimetre
Handset Weight
163 gram
Handset Width
5.6 centimetre
Color Category
Black, Yellow
ENERGY STAR Certified
No
EPEAT Compliant
No
TCO Certified
No
Accessories
- CDW Recommends (2) total accessories
- Phones & Video Conferencing (2) total accessories