The Cisco IP Phone 8811 CP-8811-K9= is a professional wired VoIP desk phone delivering 5 SIP lines, a high-resolution colour display, and Cisco HD Voice audio quality. Designed for enterprise deployments without the need for wireless connectivity, it supports SIP, SRTP, and a wide range of Cisco Unified Communications platforms.
- Lines: 5 programmable SIP lines
- Display: 5-inch colour VGA (640 x 480)
- Wireless: None (wired Ethernet only)
- Protocol: SIP, RTCP, RTP, SRTP, SDP
- Audio: Cisco HD Voice (G.711, G.722, G.729, iLBC)
- PoE: 802.3af (or external PSU)
- Use Cases: Enterprise offices, call centres, Cisco Unified Communications