Expandability:Bluetooth, USB, Wi-Fi, Headset Jack
Interoperability:SIP, SCCP, MGCP, H.323
Connectivity:Ethernet 10/100/1000
Model:CP-7841-K9
Name:CP 7841 K9Cisco UC Phone 7821
Key words:Cisco IP Phone 7821
Brand:CISCO
PART NUMBER:CP-7841-K9
Telephone Type:VoIP phone
Caller ID:Yes
Compatibility:SIP, SCCP, MGCP
Number of Lines:2
Audio Support:MP3, WAV, AAC
Power:802.3af PoE, USB, Local Power Supply
Video Support:H.264, H.263, H.261
Power:802.3af PoE, USB, Local Power Supply
Interoperability:SIP, SCCP, MGCP, H.323
Security:TLS, SRTP, HTTPS, 802.1X, AES, SHA-256
Brand:CISCOCP-7811-K9
PART NUMBER:CP-7811-K9
Ethernet Switch:10/100
Brand:CISCO
PART NUMBER:CP-7821-K9
Codec support:G.711a/μ, G.722, G.729a, iLBC
Expandability:Bluetooth, USB, Wi-Fi, Headset Jack
Video Support:H.264, H.263, H.261
Display:Color LCD
Brand:CISCO
PART NUMBER:CP-6901-C-K9
Phone-casing composition:Polycarbonate acrylonitrile butadiene styerene (ABS) plastic
Brand:CISCO
PART NUMBER:CP- 7945G
Interface Types:Ethernet RJ45
Brand:CISCO CP-6921-CL-K9
Part Number:CP-6921-CL-K9
Software upgrades:Software upgrades are supported with a Trivial File Transfer Protocol (TFTP) server.