Cisco Desk Phone 9841 VoIP IP Phone DP-9841-K9 4-Line Gigabit SIP PoE

Get the Cisco Desk Phone 9841 (DP-9841-K9) — a modern VoIP desk phone built for hybrid work, hot desking, and enterprise-grade communication. Compatible with Cisco Unified Communications Manager (CUCM), Webex Calling, Broadworks, Asterisk, and other third-party cloud calling platforms, the 9841 delivers flexibility across your entire phone fleet. Backed by Reef Telecom's industry-leading 10-year warranty — 10x the standard manufacturer coverage.

Cisco 9841 Key Features & Specifications

• Display: 3.5" Backlit Grayscale LCD, 384 x 160 resolution
• Line Keys: 4 programmable line keys with tri-color LED indicators; supports up to 16 SIP lines
• Audio: Cisco Smart Audio with AI noise removal, full-duplex speakerphone with bass-enhancing acoustic enclosure
• Codecs: Opus, G.722, G.722.2, G.711, G.729a/b, iSAC, iLBC
• Network: 2-port Gigabit Ethernet switch (10/100/1000BASE-T), PoE powered
• Ports: 1x USB-A, 1x AUX, 1x RJ-9 headset jack
• Platform: PhoneOS — one OS for CUCM, Webex Calling, Broadworks, and Open SIP
• Security: TPM 2.0, TLS 1.3, Secure Boot, SRTP encryption, Image Authentication
• Productivity: Hot desking, desk reservation, one-button-to-join (OBTJ) for Webex meetings, configurable Action Button
• Accessibility: Hearing Aid Compatible (HAC) handset
• Sustainability: 74% post-consumer recycled plastic, ENERGY STAR certified

Why Buy from Reef Telecom?

• 10-Year Warranty — the longest in the industry
• Carbon-neutral shipping on every order
• Expert support from telecom specialists

Compatibility & Use Cases

The Cisco 9841 is ideal for enterprise offices, shared workspaces, call centers, government agencies, and remote workers. It integrates seamlessly with Cisco CUCM (v12.5+), Webex Calling, Broadworks, Asterisk, and other SIP-based platforms. Wall-mountable and desktop-ready, it fits any modern workspace deployment.

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All products include our industry-leading 10 Year Warranty backed by Reef Telecom.