Cisco DP-9851 Corded IP Phone Desktop Black

The Cisco Desk Phone 9851 in Carbon Black is a high-performance VoIP phone designed for professional use. Featuring a 3.7-inch color LCD display with backlight and a resolution of 240 x 480 pixels, it offers clear visuals and easy navigation. The phone supports up to 46 lines and includes programmable buttons for efficient call management.

Equipped with a Trusted Platform Module (TPM) 2.0, it ensures enhanced security for communications. The device supports multiple VoIP protocols including SIP, SDP, RTCP, RTP, and SRTP, and offers a wide range of voice codecs such as Opus, G.722, iSAC, and G.711 variants for superior audio quality.

Connectivity options include dual Ethernet ports (10Base-T/100Base-TX/1000Base-T), USB Type-A and Type-C ports, and a headset jack. It supports Power over Ethernet (PoE) and features integrated Ethernet switching. The phone is compatible with Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicated Instance, and Asterisk platforms.

Additional features include speakerphone capability, caller ID with call waiting, call forwarding, call park/pickup, conference call support, and programmable buttons. The device is ENERGY STAR qualified and constructed from ABS polycarbonate with 74% post-consumer recycled plastic, reflecting an environmentally conscious design.

With its robust security protocols such as IEEE 802.1X, EAP-FAST, EAP-TLS, FIPS 140-2, TLS 1.3, and SRTP, the Cisco Desk Phone 9851 ensures secure and reliable communication for business environments.