| Manufacturer | Cisco Systems |
| Part Number | DP-9851-K9 |
| Product Line | Cisco Desk Phone 9800 Series |
| Product Type | Enterprise IP Desk Phone |
| Color | Carbon Black |
| Display | 3.7-inch backlit color LCD; 480 x 240 resolution |
| Line Keys | 6 physical line keys (tri-color LED) |
| Max Lines | 46 programmable lines; 16 SIP lines (Webex Calling / Open SIP) |
| Ethernet Ports | 2x 10/100/1000BASE-T RJ-45 (network + PC passthrough) |
| Wi-Fi | None |
| Bluetooth | None |
| USB Ports | 1x USB-A (side); 1x USB-C (back) |
| Audio | Cisco HD voice; AI outgoing background noise removal (BNR); full-duplex speakerphone; bass-enhancing acoustic enclosure; AEC; AGC; CNG; VAD; PLC; adaptive jitter buffer; HAC handset |
| Calling Platforms | CUCM (12.5+); Webex Calling; BroadWorks; Webex Dedicated Instance; Open SIP / 3PCC; Microsoft SIP Gateway |
| Operating System | Cisco PhoneOS |
| KEM Expansion | 1x DP-9800-KEM (sold separately) |
| Security | TPM 2.0; TLS 1.3; Secure Boot; Image Authentication; AES encryption; SRTP; FIPS 140-2 |
| Power | PoE (IEEE 802.3af Class 3); optional AC power adapter (sold separately) |
| Features | Desk reservation; hot desking; OBTP meeting join; customizable action button; desk reservation |
| Sustainability | 74% post-consumer recycled plastic; ENERGY STAR certified |
| Weight | 2.13 lbs |
Overview
- We perform an intensive quality control process on all our products. Units (unless sealed in the original manufacturer’s packaging) are fully tested and certified by our technicians. We run and record diagnostics on serial and operating systems, ensuring they function to the industry standard.
- Unless the listing specifies otherwise, this product comes with a 1 Year Warranty for the original purchaser as enduser of the equipment, applicable to items sold in the United States only. All others sales are supported by a 90 day extended warranty.
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