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• Cisco DP-9841 is a compact, secure, and eco-conscious VoIP desk phone with a 3.5-inch grayscale LCD, 4 programmable line keys, HD audio, and integrated Gigabit Ethernet, perfect for modern hybrid workspaces

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Cisco DP-9841-K9 Desk Phone 9841 – Carbon Black

The Cisco DP-9841-K9 Desk Phone is purpose-built for business-grade communication in modern work environments. Featuring a 3.5-inch grayscale LCD display and 4 programmable line keys, it provides crystal-clear call handling with integrated HD audio and advanced noise suppression. Designed to support Cisco Unified Communications Manager, Webex Calling, Broadworks, Asterisk, and other leading platforms, the DP-9841 is a flexible solution for hybrid work and shared desk setups.

Constructed with 74% post-consumer recycled plastic and ENERGY STAR certified, it offers a sustainable footprint without compromising performance. Secure by design, it includes FIPS 140-2 compliance, Trusted Platform Module (TPM) 2.0, and TLS 1.3 encryption for trusted communication.

• Display: 3.5-inch backlit grayscale LCD with 384 x 160 resolution for clear call visibility.
• Line Keys: 4 programmable physical line keys for quick access to essential features.
• HD Audio: Built-in full-duplex speakerphone and wideband handset with advanced echo cancellation and adaptive jitter buffer.
• Secure Communications: FIPS 140-2, TLS 1.3, Secure Boot, and TPM 2.0 built in for enterprise-grade data protection.
• PoE Powered: IEEE 802.3af (Class 2) Power over Ethernet support for streamlined cable management.
• Environmental Leadership: Made from 74% recycled plastics and supports deep sleep modes for energy savings.
• Global Language Support: Preloaded with over 30 interface languages for international deployments.
• Modern Connectivity: Dual Gigabit Ethernet ports, RJ-9 headset jack, USB-A port, and console port for flexibility.

• Model: DP-9841-K9
• Display: 3.5" grayscale LCD (384 × 160), backlit
• Audio Codecs: OPUS, G.722, G.711 (A/μ-law), G.729a/b, iLBC, iSAC
• Ports: 2 × Gigabit Ethernet (RJ-45), 1 × USB-A, 1 × RJ-9 headset jack, 1 × Console port
• VoIP Protocols: SIP, RTP, SRTP, SDP, RTCP
• Security: TPM 2.0, FIPS 140-2, TLS 1.3, 802.1X, secure boot, image authentication
• Platform Compatibility: Cisco CUCM, Webex Calling, Broadworks, Webex DI, Asterisk
• Construction: ABS polycarbonate, 74% post-consumer recycled plastic
• Certifications: ENERGY STAR, CE, UL, FCC, RoHS
• Dimensions (H × W × D): 8.43 × 8.43 × 1.94 in (214.06 × 214.24 × 49.4 mm)
• Weight: 954 g (33.65 oz)