CISCO - Cisco Desk Phone 9851, Carbon Black REMANUFACTURED

The Cisco Desk Phone 9851 features a backlit 3.7" color LCD with 480 x 240 resolution, designed as an everyday VoIP phone for office, home office, and hybrid work scenarios. It supports up to 16 SIP lines on both Webex Calling and Open SIP platforms, with AI noise removal and a bass-enhancing acoustic enclosure for natural-sounding voices.</description> <parameter name="specification">Display: 3.7-inch Color LCD, 480 x 240 resolution, backlit Line Keys: 6 physical programmable line keys, supports up to 46 programmable keys Audio: HD voice, AI noise removal, speaker enhancement Connectivity: 2x Gigabit Ethernet ports (network + PC pass-through), USB-A, USB-C, PoE support Protocols: SIP, Supports up to 16 SIP lines Platforms: Cisco Unified Communications Manager (CUCM), Webex Calling, Broadworks, Open SIP Security: TPM 2.0, TLS 1.3, Secure Boot, Image Authentication Colour: Carbon Black Weight: Approximately 2.2 pounds (1 kg) Features: Caller ID/call waiting, conference calling, wall-mountable, Hearing Aid Compatible (HAC) Software: PhoneOS Power: PoE or optional AC adapter Sustainability: ENERGY STAR accredited, 74% post-consumer recycled plastic