The Cisco 7821 is a 2-line IP phone that features advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience.
Cisco 7821 Features
High-resolution backlit display (3.5", 396 x 162 pixels)
2 programmable line/feature keys
4-soft keys
2-way navigation and select keys
Supports wideband audio
Headset port
Electronic hookswitch can be controlled through auxiliary port
Fixed features include service, messaging, directory, hold/resume, transfer, and conference
Dual position footstand, wall mountable
Powered by 802.3af Power over Ethernet or optional Cisco power cube (sold separately; see drop down option above)
10/100BASE-T Ethernet connection with PC pass-through port
Session Initiation Protocol (SIP)
Compatibility
The Cisco 7821 is compatible with Cisco Unified Communications Manater 8.5.1, 8.6.2, 9.1.2, and 10.x and later
Also compatible with Cisco Business Edition 6000 8.6.2 and later amd Cisco Hosted Collaboration Solution 8.6.2 and later