Security:TLS, SRTP, HTTPS, 802.1X, AES, SHA-256
Operating System:Cisco Unified Communications Operating System
Voice Features:Call Transfer, Call Hold, Call Forward, Call Waiting, Call Park, Call Pickup, Three-Way Calling, Do Not Disturb, Speed Dial, Redial, Mute, Volume Control, Voice Activity Detection, Comfort Noise Generation, Acoustic Echo Cancellation
Interoperability:SIP, SCCP, MGCP, H.323
Connectivity:Ethernet 10/100/1000
Power:802.3af PoE, USB, Local Power Supply
Operating System:Cisco Unified Communications Operating System
Power:802.3af PoE, USB, Local Power Supply
Interoperability:SIP, SCCP, MGCP, H.323
Expandability:Bluetooth, USB, Wi-Fi, Headset Jack
Video Support:H.264, H.263, H.261
Display:Color LCD
Connectivity:Ethernet 10/100/1000
Voice Codecs:G.711, G.729a, G.722, G.722.1, G.722.1C, G.729ab, ILBC, ISAC, OPUS
Voice Features:Call Transfer, Call Hold, Call Forward, Call Waiting, Call Park, Call Pickup, Three-Way Calling, Do Not Disturb, Speed Dial, Redial, Mute, Volume Control, Voice Activity Detection, Comfort Noise Generation, Acoustic Echo Cancellation
Model:CP-8851-K9
Display:5'' high-resolution (800×480) WVGA color display
Ethernet Switch:10/100/1000
Model:CP-8841-K9
Display:5’’ high-resolution (800×480) WVGA color display
Ethernet Switch:10/100/1000
Model:CP-8811-K9
Ethernet Switch:10/100/1000
Programmable Line Keys:4
Model:CP 7841 K9
Name:CP 7841 K9Cisco UC Phone 7821
Key words:Cisco IP Phone 7821
Warranty:1 YearCP-8845-K9
Voice Codecs:G.711, G.729a, G.722, G.722.1, G.722.1C, G.729ab, ILBC, ISAC, OPUS
Voice Features:Call Transfer, Call Hold, Call Forward, Call Waiting, Call Park, Call Pickup, Three-Way Calling, Do Not Disturb, Speed Dial, Redial, Mute, Volume Control, Voice Activity Detection, Comfort Noise Generation, Acoustic Echo Cancellation
Resolution:480 X 272CP-7821-K9
Power:802.3af PoE, USB, Local Power Supply
Warranty:1 Year
Security:TLS, SRTP, HTTPS, 802.1X, AES, SHA-256
Interoperability:SIP, SCCP, MGCP, H.323
Voice Features:Call Transfer, Call Hold, Call Forward, Call Waiting, Call Park, Call Pickup, Three-Way Calling, Do Not Disturb, Speed Dial, Redial, Mute, Volume Control, Voice Activity Detection, Comfort Noise Generation, Acoustic Echo Cancellation