Product Type | VoIP Desk Phone |
Model | Cisco Desk Phone 9851 |
Manufacturer Part Number | DP-9851NR-K9++= |
Color | Carbon Black |
Finish | Matte |
Form Factor | Desktop |
Display Type | Color LCD |
Display Size | 5-inch (approximate) |
Touchscreen | No |
Mounting Options | Desktop/Wall-mountable |
Handset Type | Wired, hearing-aid-compatible |
Power Options | Power over Ethernet (PoE), Optional external power adapter |
PoE Class | Class 2 |
Power Adapter Compatibility | Cisco PA100 or equivalent (sold separately) |
Warranty | 1-Year Replacement |
Cisco Desk Phone 9851, No-NFC, TAA, Carbon Black

Key Benefits

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- Ideal for federal and public sector deployment due to full TAA compliance.
- Reduced hardware risk and downtime with an included 1-year replacement warranty.
- Integrates reliably within Cisco communication ecosystems for enterprise efficiency.
Product Overview
The Cisco Desk Phone 9851 is a business-class communication device tailored for professional environments, featuring a carbon black finish and user-friendly LCD display. It is TAA-compliant, making it ideal for government or public sector deployments, and is manufactured in Mexico to ensure regulatory adherence. Excluding NFC functionality, it focuses on core telephony features that appeal to security-conscious organizations. The device includes a 1-year replacement warranty, reinforcing its reliability in enterprise use cases. Though additional hardware specifics are not available, the phone aligns with Cisco’s commitment to dependable VOIP solutions.
Specifications
Product Overview
Wireless Features
Wi-Fi Support | No |
Bluetooth Version | Bluetooth 5.0 |
Compliance & Origin
TAA Compliance | Yes |
Country of Origin | Mexico |
Certifications | CE, FCC Part 15 Class B, UL/CSA, RoHS |
Safety Standards | IEC 60950-1 / IEC 62368-1 |
Advanced Security Features
Secure Boot | Yes |
Media Encryption | SRTP (Secure RTP) |
Signaling Encryption | TLS 1.2 |
Device Authentication | 802.1X Authentication |
Configuration File Encryption | Yes |
Interfaces
Ethernet Ports | 2 x 10/100/1000 Mbps RJ-45 |
PC Port | Yes |
USB Ports | 1 x USB Type-A (rear), 1 x USB Type-C (side) |
Headset Port | RJ-9, USB Type-A, USB Type-C |
Bluetooth Support | Yes |
NFC Support | No |
Audio Codec Support | G.711a/u, G.729a, G.722, iLBC, Opus |
Physical & Environmental
Dimensions (W x D x H) | 9.4 x 1.6 x 8.3 inches (approximate) |
Weight | Approximately 2.6 lbs (1.2 kg) |
Operating Temperature | 32° to 104°F (0° to 40°C) |
Storage Temperature | -22° to 140°F (-30° to 60°C) |
Operating Humidity | 10% to 90% non-condensing |
Storage Humidity | 10% to 95% non-condensing |
Cloud Management & Licensing
Cloud Management Platform | Cisco Unified Communications Manager (CUCM), Webex Calling |
Licensing Model | Requires Cisco UCL or Webex Calling license |
Provisioning Options | Cloud or On-Premise with CUCM |