| Product Type | VoIP Desk Phone |
| Model | Cisco 9871 |
| Color | Carbon Black |
| Form Factor | Desktop |
| Weight (Base) | 1055 g |
| Power Requirements | IEEE 802.3af/802.3at PoE or external power adapter (sold separately) |
| Service & Support Type | 1-Year Limited Hardware Warranty |
Cisco Desk Phone 9871 No-Radio TAA, Carbon Black

Key Benefits
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- Enterprise-ready phone system with SIP support and broad codec compatibility ensures seamless VoIP integration.
- Enhanced audio with noise removal and full-duplex speakerphone provides clear communication in professional settings.
- TAA compliance and U.S.-based assembly meet government and regulated industry procurement standards.
Product Overview
The Cisco Desk Phone 9871 No-Radio edition in Carbon Black offers enterprise-grade VoIP capabilities and advanced audio enhancements such as noise removal. It supports SIP protocols and codecs including OPUS and G.722, enabling high-fidelity voice communication. Ideal for configurable office spaces, the device includes hot desking and desk reservation functionality, along with a full-duplex speakerphone and integrated call handling features. TAA compliance and a 1-year hardware warranty further boost its appeal for secure and compliant deployments.
Specifications
Product Overview
Wireless Features
| Wi-Fi Support | No (No-Radio model) |
Compliance & Origin
| Country of Origin | Mexico |
| TAA Compliance | Yes |
| Certifications | CE, UL/cUL, RoHS, WEEE, FCC Part 15 Class B |
Advanced Security Features
| Secure Audio | SRTP (Secure Real-Time Transport Protocol) |
| Signaling Security | TLS (Transport Layer Security) |
| Admin Access Control | Yes |
| Software Updates | Signed firmware images |
Interfaces
| Network Ports Qty | 1 |
| Ethernet Ports | 2 x 10/100/1000 Ethernet |
| USB Ports | 2 x USB 2.0 ports (1 side, 1 back) |
| Network Protocols | IEEE 802.3i/802.3u/802.3ab |
| Bluetooth Support | No (No-Radio model) |
| Headset Port | Yes, RJ-9 and USB |
Physical & Environmental
| Width (Base) | 8.4 Inch |
| Height (Base) | 8.9 Inch |
| Depth (Base) | 1.9 Inch |
| Display | 5-inch high-resolution (800x480) color display |
| Operating Temperature | 32 to 104°F (0 to 40°C) |
| Storage Temperature | -13 to 140°F (-25 to 60°C) |
| Operating Humidity | 10% to 90%, non-condensing |
Cloud Management & Licensing
| Phone Operating System | PhoneOS |
| Hot Desking | Yes |
| Desk Reservation Support | Yes |
| Provisioning | Cisco Unified Communications Manager, Cisco Unified Communications Manager Cloud |
| License Requirement | User/Device licensing required via Cisco UCM or Webex |
Telephony Features
| Telephone Type | PHONE |
| Conference Call Capability | Yes |
| Voice Mail Capability | Yes |
| Speakerphone | Full-duplex speakerphone |
| Caller ID | Yes |
| Call Forwarding | Yes |
| Call Hold | Yes |
| Call Transfer | Yes |
| Message Waiting Capability | Yes |
| Status Indicators | Yes |
| Volume Control | Yes |
| Hearing Aid Compatible | Yes |
| VoIP Protocols | SIP |
| Voice Codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/μ-law), G.729a/b, iLBC |
| Noise Removal | Yes, built-in noise reduction algorithm |