Manufacturer Cisco Systems
Brand Cisco
Product Line Cisco IP Phone
Model 7821
Packaged Quantity 1
Telephone Type VoIP phone
Compatible Platforms
Cisco Business Edition 6000
Dialer Location
Base
Conference Call Capability
Yes
Features
Speakerphone
Yes
Call Services
Call Forwarding, Call Hold, Call Transfer, Call Waiting, Caller ID, Message Waiting Capability, Voice Mail
Programmable Buttons Qty
2
Indicators
Headset, Speakerphone indicator, Voice message waiting indicator
Additional Functions
Call timer
Display
Type
LCD display
Display Resolution
396 x 162 pixels
Diagonal Size
3.5 inch
Diagonal Size (metric)
8.9 centimetre
Color Support
Monochrome
Backlit
Yes
Display Languages
Arabic, Brazilian Portuguese, Bulgarian, Catalan, Chinese, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hebrew, Hungarian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Serbian, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish
Display Location
Base
IP Telephony
Main Features
Integrated Ethernet switch, Multiple VoIP protocol support
VoIP
Yes
VoIP Protocols
SIP, SRTP
Voice Codecs
G.711a, G.711u, G.722, G.729ab, iLBC
Lines Supported
2 lines
Quality of Service
IEEE 802.1p, IEEE 802.1Q (VLAN)
IP Address Assignment
DHCP, Static
Security
IEEE 802.1X
Network Protocols
Cisco Discovery Protocol (CDP), SRTP
Network Ports Qty
2 x Ethernet 10Base-T/100Base-TX
Power Over Ethernet (PoE) Support
Yes
Compatible Software
Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager 8.5.1 or later
Network Features
Lightweight Directory Access Protocol (LDAP)
Phone Connections
Connections
Headset jack
Miscellaneous
Color Category
Black, Black
Body Material
PC/ABS
Placing / Mounting
Table-top, Wall-mountable
Dimensions & Weight (Base)
Width
8.1 inch
Depth
1.1 inch
Height
8.1 inch
Weight
30.6 ounce
Service & Support
Type
1-year warranty
Service & Support Details
Service & Support
Limited warranty – replacement – 1 year
