Cisco DP-9811-K9 | Desk Phone 9811 2-Line IP Phone, PoE, Wideband Audio

Q: Does the Cisco Desk Phone 9811 support NFC or Wi-Fi connectivity?
A: No, the DP-9811-K9 does not support NFC onboarding or Wi-Fi connectivity. This model is designed for wired Ethernet deployment using the two RJ-45 ports. Higher-end models in the 9800 series, such as the 9861 and 9871, offer NFC and Wi-Fi capabilities.

Q: What call control platforms are compatible with the Desk Phone 9811?
A: The 9811 supports Cisco Unified Communications Manager (UCM version 14 or above), Cisco Webex Calling, Broadsoft Broadworks, and third-party cloud calling platforms using Open SIP. The phone runs PhoneOS software, allowing one device to work across multiple platforms with proper configuration.

Q: How many lines and calls can the 9811 handle simultaneously?
A: The Desk Phone 9811 supports 2 lines and includes features such as caller ID, call waiting, call transfer, and conference calling. It is ideal for general office users, contact centers, and hot-desking environments requiring basic telephony functions.

Q: What audio quality features does the 9811 include?
A: The 9811 features wideband audio for crystal-clear voice quality, AI-powered noise removal for clearer calls, and a full-duplex speakerphone with a bass-enhancing acoustic enclosure. The handset is Hearing Aid Compatible (HAC), making it accessible for all users.

Q: Can the Cisco 9811 be powered without PoE?
A: Yes, while the DP-9811-K9 is designed to be powered via 802.3af PoE through the network port, it can alternatively be powered using an optional Cisco power supply if PoE is not available on your network switch.