Cisco CP-8841-K9++= | IP PHONE 8841 FOR TAA

Here are 12 technical specifications for the Cisco IP Phone 8841:

1. Display: 5-inch widescreen VGA (800x480 pixel) color display
2. Ethernet switch: 10/100/1000
3. Programmable line keys: 5
4. Speakerphone: Full-duplex
5. Headset port: RJ-9
6. Power over Ethernet (PoE) support: Yes
7. Protocol support: SIP, SCCP
8. Codec support: G.711a, G.711u, G.722, G.729a, iLBC
9. Security: 802.1X authentication, TLS, SRTP, HTTPS
10. QoS: 802.1Q/p tagging (VLAN), Layer 3 QoS (ToS, DiffServ)
11. Dimensions: 10.5 x 10.4 x 6.2 inches
12. Weight: 3.5 pounds

Helpful notes:
1. The Cisco IP Phone 8841 has a built-in Bluetooth radio for wireless headset support.
2. The phone supports up to two optional Key Expansion Modules (KEMs) for additional line keys.
3. The phone's firmware is upgradable, allowing for future feature enhancements and bug fixes.