Item | Official Specification |
|---|---|
Model Part Number | DP-9851-K9 |
Product Name | Cisco Desk Phone 9851 IP Phone, Carbon Black |
Product Series | Cisco Desk Phone 9800 Series Enterprise VoIP Desk Phone |
Target Application | Enterprise Office Knowledge Workers, Hot Desking, Shared Workstations, Hybrid Workplace, Corporate Call Center Auxiliary Stations |
Operating System | Cisco PhoneOS Unified Single Platform System |
Supported Call Platforms | Cisco CUCM 12.5+, Webex Calling, BroadWorks, 3rd Party Cloud Calling / Open SIP |
Display Screen | 3.7-inch Backlit Color LCD, 480 × 240 Resolution |
Line & Programmable Keys | 6 Physical Line Keys, Max 46 Total Programmable Feature Keys |
Supported KEM Module | Compatible with Cisco 9800 Key Expansion Module (1 unit max) |
Audio System | Cisco Smart HD Audio with AI Noise Cancellation; Full-Duplex Speakerphone; Hearing Aid Compatible (HAC) Handset |
Supported Audio Codecs | OPUS, G.722, G.722.2, iSAC, G.711a/μ, G.729a/b, iLBC |
Physical Network Ports | 2 × 10/100/1000BASE-T Gigabit RJ45 Ethernet Switch (LAN + PC Passthrough) |
USB Interfaces | 1 × USB-A Port, 1 × USB-C Port (USB Headset / Mobile Charging / Dongle Support) |
Handset Port | RJ9 Dedicated Handset Jack |
Headset Support | Wired USB Headsets, Bluetooth Headsets via USB Dongle |
Power Supply Standard | IEEE 802.3af Class 3 PoE Powered (Default); Optional Separate AC Power Adapter (Sold Separately) |
Core Functional Buttons | Customizable Action Button, Calendar, Favorites, Hold, Transfer, Conference, Directory, Application Keys |
Collaboration Features | OBTP One-Click Meeting Join, Desk Reservation, Hot Desking Sign-In |
Security Architecture | TPM 2.0 Chip, Secure Boot, Image Authentication, TLS 1.3 Encryption, Government-Grade End-to-End Call Encryption |
Mounting Options | Standard Desktop Stand Included; Optional Wall Mount Kit (Purchased Separately) |
Color Finish | Carbon Black |
Physical Dimensions (W × D × H) | 245 mm × 205 mm × 170 mm (9.65 × 8.07 × 6.69 in) |
Net Weight | 1.08 kg (2.38 lbs) |
Operating Environment | Temperature: 0°C ~ 40°C; Humidity: 10%–90% Non-Condensing |
Storage Environment | Temperature: -20°C ~ 65°C; Humidity: 10%–90% Non-Condensing |
Package Contents | 9851 IP Phone, Handset, Handset Cord, Adjustable Desktop Stand, Ethernet Cable, User Guide |
Factory Warranty | Cisco 1 Year Limited Hardware Warranty |
Regulatory Certifications | CE, FCC, UL, RoHS Compliant |
Shenzhen Importgm Technology Co., Ltd.
Shenzhen Importgm Technology Co., Ltd. has been operating in the I T services market since 2010, focusing on the R&D, design and sales of core equipment and general accessories in the field of network communications, we are distributors and resellers of worldwide brands of communication equipment, general accessories and system solutions for global customers.We offer a wide range of products, including networking routers, switches, firewalls, servers, I P phones, video conferencing equipment, wireless A P, P D U and modules. We are located in Shenzhen with convenient transportation access. Over the years we have developed a team of highly skilled staff that delivers quality and effective solutions and services. Based on our rich experience, we can supply products with stable packages, reliable delivery, competitive prices and on-time support. Our products are exported to customers in such regions as the Middle East, Africa, America,Europe and Asia. We also welcome O E M and O D M orders.Whether selecting current products from our inventory or seeking engineering assistance for your project bid, you can consult our business staff at any time. Our service does not end when the invoice is printed but begins as soon as you have received your order. Any customers' business visit and negotiation is warmly welcomed. Let's work together and win-win.
A: The DP-9851-K9 features a high-resolution color display, HD voice quality, and advanced communication capabilities, making it suitable for modern business environments.
A: Connect the DP-9851-K9 to your network and power source, then follow the on-screen setup instructions or your administrator’s configuration guide for deployment.
A: Yes. Regular firmware updates are recommended for the DP-9851-K9 to improve performance, enhance security, and ensure compatibility with the latest features.
A: Alternatives to the DP-9851-K9 include other Cisco Desk Phone models, offering different display sizes, feature sets, and deployment options for various business needs.
A: Check the network connection, verify power and cable connections, restart the device, and ensure the firmware is up to date to resolve common issues.