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The Cisco CP-7841-K9 is a desktop IP phone supporting four programmable line keys with a 3.5" backlit greyscale display at 396x162 pixels. It features two Gigabit Ethernet RJ-45 ports and supports IEEE 802.3af PoE Class 1 or an optional AC power adapter.
The 7841 supports SIP call control and is compatible with Cisco Unified Communications Manager 12.5 and above. Audio codecs include G.711, G.722, G.729ab, iLBC, and OPUS with full-duplex speakerphone and wideband audio. Media encryption via SRTP with AES-128 and signaling encryption via TLS. Requires Enhanced User Connect License (UCL) for Cisco UCM deployments.
Cisco CP-7841-K9: Cisco IP Phone 7841.
- Phone Type : IP Phone, Desktop
- Voice lines : 4
- Navigation Buttons : Two-way navigation and select keys
- Other Key Buttons : Hold/Resume, Transfer, Conference, Messaging, Service, Directory, Volume Control Toggle, Speakerphone, Headset, Mute, Standard Keypad
- Graphical Display : 3.5 in greyscale backlit display, 396x162 pixels
- Protocols : SIP, IEEE 802.3af PoE, 802.1Q VLAN, SRTP, TLS, 802.1X
- Network Ports : 2x 10/100/1000 Gigabit Ethernet RJ-45 (LAN and downstream PC port)
- Wireless Option : None
- Bluetooth Option : None
- Headset Port : 1x RJ-9 Analog Headset Port (wideband capable)
- Power Options : Powered via IEEE 802.3af PoE (Class 1, 0.42A, 48V DC) or Cisco Power Adapter 3 (sold separately)
- Power Included : No - power adapter sold separately
- Model Number : CP-7841-K9
- Part Number : CP-7841-K9, CP-7841-K9=, CP-7841-K9-WS
- Condition : New
- One (1) NEW Cisco CP-7841-K9 IP Phone 7841 4-Line Gigabit VoIP Desktop Phone Charcoal as described above