Cisco 7821 IP Phone

 

Cisco 7821 IP Phone

The Cisco 7821 is a two line IP phone from the Cisco 7800 series for small business. The 7821 is easy to set up with PoE capability, EHS headset support, and a 3.5″ white backlit display with 4 context-sensitive soft keys.

Description

Cisco IP Phone 7821

The Cisco 7821 IP phone includes a 2-way navigation button and dedicated fixed keys for commonly used office call needs like conference, messaging, and directory. Full wideband audio (G.722) supplies superior voice quality performance through the handset, speakerphone, and third party headsets. The 8721 has added electronic hookswitch control for flexibility in managing calls and extending mobility around the office.The 7821 can be PoE or powered by an AC power adapter, and desk mount or wall mount functionality allows this IP phone to be used for many different business environments.

The 7821 can be PoE or powered by an AC power adapter, and desk mount or wall mount functionality allows this IP phone to be used for many different business environments.

SPECIFICATIONS
Technical Details
Integrated Voice MailYes
Adjusting the volumeDigital
Type of headphonesWired
Case MaterialPolycarbonate
Integrated Answering MachineYes
SpeakerYes
Display
Diagonal screen size (inch)3.5 “
Resolution396 x 162 pixels
Touch sensitive screenNot
Connection parameters
Number of lines2
The ability to forward callsYes
Speed DialYes
Name and Caller IDYes
Conference call capabilityYes
Call WaitingYes
Call on holdYes
Audio
Voice CodecsG.711a, G.722, G.729A, G.729B, iLBC
Networking
BluetoothNot
Wi-FiNot
Supported network protocolsIEEE 802.3, IEEE 802.3u, IEEE 802.3af
Wired Ethernet LANYes
Service quality of service (QoS)Yes
Protection
Encryption / Security802.1x RADIUS
Communication
Ethernet LAN (RJ-45)2
Power Management
PoE supportYes
Weight & dimensions
Width207 mm
Depth206 mm
Height28 mm
Weight867 g
External conditions
Relative humidity range10 – 90%
Relative humidity10 – 95%
Temperature range (operation)0 – 40 ° C
Temperature range (storage)-10 – 60 ° C
Color
ColorBlack
Ergonomics
Wall mount / ceiling projection onYes
Certificates
SafetyUL 60950, CAN / CSA – C22.2, EN 60950, IEC 60950, AS / NZS 60950, GB4943