Description
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
