Data Sheet

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Features
Benefits
Power Features
IEEE PoE class 1
●
The phone supports IEEE 802.3af PoE (Class 1); power consumption does not exceed 3.84 watts.
AC Power Adapter
●
Cisco power cube 3 (CP-PWR-CUBE-3=) and Cisco power adapter 3 (CP-PWR-ADPT-3) are used as standard
Cisco IP Phone Power Supplies for non-PoE deployments.
Cisco power injector
●
The IP Phone 7811, 7821 and 7861 are compatible with Cisco Unified IP Phone Power Injector (CP-PWR-INJ),
and 7841 is compatible with Cisco Aironet Power Injector (AIR-PWRINJ5=).
Call-Control Support
Cisco Unified
Communications
Manager
●
8.5.1
●
8.6.2
●
9.1.2
●
10.x and later
Cisco Business Edition
6000
●
8.6.2
●
9.1.2
●
10.x and later
Cisco Hosted
Collaboration Solution
●
8.6.2 and later (using supported UCM versions above)
Cisco Unified Survivable
Remote Site Telephony
●
8.x and later
Licensing
The Cisco IP Phone 7811 and 7821 require a Basic User Connect License (UCL) in order to connect to
Cisco Unified Communications Manager. The Cisco IP Phone 7841 and 7861 require an Enhanced User Connect
License (UCL) in order to connect to Cisco Unified Communications Manager.
Product Specifications
Table 2 lists the features and specifications of The Cisco
®
IP Phone 7800 Series.
Table 2. Features and Specifications
Features
Specifications
Signaling protocol support
●
Session Initiation Protocol (SIP)
Codec support
●
G.711a/μ, G.722, G.729a, iLBC
Key call features support
●
+ Dialing (E.164)
●
Abbreviated dial
●
Adjustable ringing and volume levels
●
Adjustable display contrast
●
Agent greeting
●
Auto-answer
●
Auto-detection of headset (Not available on the IP Phone 7811)
●
Busy Lamp Field (BLF) (Not available on the IP Phone 7811)
●
Call back
●
Call forward
●
Call history
●
Call park
●
Call Pickup
●
Call timer
●
Call waiting
●
Caller ID
●
cBarge
●
Corporate directory
●
Conference
●
Cross Cluster Extension Mobility (EMCC)