Cisco CP-7821-K9=

Cisco IP Phone 7821 VoIP phone

  • Multiple VoIP protocol support, integrated Ethernet switch
  • VoIP Protocols: SIP, SRTP
  • Voice Codecs: G.722, G.729ab, G.711u, G.711a, iLBC
SKU: CP-7821-K9= Category:


Deploy reliable and highly secure voice communications with the Cisco IP Phone 7821. This full-featured phone is easy to use and easy on your budget. This endpoint supports wideband audio for superior voice communications quality and advanced IP telephony features to make your business calls more efficient and productive.


Technical details
Integrated voicemail Yes
Answering machine Yes
Handset type Wired handset
Case material Polycarbonate
Volume control Digital
Speakerphone Yes
Touchscreen No
Display resolution 396 x 162 pixels
Display diagonal 8.89 cm (3.5″”)
Phone features
Lines quantity 2 lines
Speed dialing Yes
Conference call Yes
Caller ID Yes
Call waiting Yes
Call hold Yes
Call forwarding Yes
Voice codecs G.711a,G.722,G.729A,G.729B,iLBC
Wi-Fi No
Supported network protocols IEEE 802.3, IEEE 802.3u, IEEE 802.3af
Quality of Service (QoS) support Yes
Ethernet LAN Yes
Bluetooth No
Security algorithms 802.1x RADIUS
Ports & interfaces
Ethernet LAN (RJ-45) ports 2
Power over Ethernet (PoE) Yes
Weight & dimensions
Width 207 mm
Depth 206 mm
Height 28 mm
Weight 867 g
Operational conditions
Storage temperature (T-T) -10 – 60 °C
Storage relative humidity (H-H) 10 – 95%
Operating temperature (T-T) 0 – 40 °C
Operating relative humidity (H-H) 10 – 90%
Colour of product Black, Silver
Safety UL 60950, CAN/CSA – C22.2, EN 60950, IEC 60950, AS/NZS 60950, GB4943
Wall mountable Yes

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