| 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 |
| Network Ports Qty | 1 |
| Network Protocols | IEEE 802.3i/802.3u/802.3ab |
| Voice Codecs | OPUS, G.722, G.722.2, iSAC, G.711(a-law/-law), G.729a/b, and iLBC |
| VoIP Protocols | SIP |
| Model | Cisco 9851 |
| Additional Features | One platform with PhoneOS; Desk reservation and hot desking; Enhanced audio features including noise removal; Security; Sustainability |
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
Primary Information
Service&Support
| Service & Support Type | 1-Year Limited Hardware Warranty |
UNSPSC Code
| UNSPSC Code | 43191511 |
Dimensions&Miscellaneous
| Color | Carbon Black |
| Width(Base) | 8.4 Inch |
| Height(Base) | 8.9 Inch |
| Depth(Base) | 1.9 Inch |
| Weight(Base) | 1055 g |
Special Feature
| COO | MEXICO |
| TAA compliance | Yes |