Overview
Overview of Cisco 9871 IP Desk Phone - Carbon Black (DP-9871-K9) | Like New
The Cisco 9871 IP Desk Phone - Carbon Black (DP-9871-K9) is a premium next-generation business phone designed for contemporary hybrid workspaces that require robust mobility, safe calling and an easy-to-use interface. This Cisco 9800 Series desk phone supports flexible deployments in office, remote and shared work environments with its 5-inch HD color touchscreen, enterprise-grade voice quality, Wi-Fi, Bluetooth and twin Gigabit Ethernet connection. With its compatibility with Webex Calling, BroadWorks, Cisco Unified Communications Manager and third-party SIP systems, it provides IT teams with a flexible phone that adapts to changing communications tactics. The Cisco 9871 offers the performance and polish that time-pressed professionals want from a premium IP desk phone, complete with built-in security, a sleek carbon black finish and capability for up to 128 lines.
Key Features of Cisco 9871 IP Desk Phone
• 5-inch HD color touchscreen with 1280 x 720 resolution for clear navigation and call control.
• Supports up to 128 lines, making it ideal for high-demand users and executive environments.
• Dual Gigabit Ethernet ports for stable wired network connectivity.
• Built-in dual-band Wi-Fi for flexible wireless deployment.
• Bluetooth 5.2 support for headset and accessory pairing.
• Cisco PhoneOS platform compatibility with CUCM, Webex Calling, BroadWorks and SIP environments.
• Trusted Platform Module 2.0 for stronger device security.
• AI-powered background noise removal for clearer conversations.
• Dual USB ports for accessories and productivity devices.
• Carbon black design with LED status indicators for a modern professional look.
Benefits of Cisco 9871 IP Desk Phone
🗹 Deliver a polished, easy-to-use communication experience with a modern touchscreen interface.
🗹 Support flexible workplace setups with both wired and wireless connectivity options.
🗹 Improve collaboration and call clarity with advanced audio and noise reduction features.
🗹 Simplify deployment across mixed communication platforms with one versatile phone.
🗹 Strengthen security for business communications with TPM 2.0 protection.
🗹 Handle busy call environments efficiently with support for multiple lines and fast access controls.
🗹 Reduce desk clutter and expand accessory options with built-in USB and Bluetooth support.
🗹 Provide a future-ready IP desk phone that fits enterprise, hybrid and cloud calling environments.
Specifications
Specifications for Cisco 9871 IP Desk Phone - Carbon Black (DP-9871-K9) | Like New
| Manufacturer | Cisco |
| Manufacturer Part Number | DP-9871-K9 |
| Product Name | Cisco 9871 IP Desk Phone |
| Product Type | IP Phone |
Compatible Platforms | Cisco BroadWorks, Cisco Webex Calling, Cisco Webex Dedicate Instance (DI), Asterisk |
Integrated Components | Trusted Platform Module (TPM) 2.0 |
Weight | 2.33 lbs |
Body Color | Carbon black |
Body Material | ABS polycarbonate, 74% post-consumer recycled plastic |
Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) / Bluetooth 5.2 LE |
Wireless Interface Provided | Wi-Fi / Bluetooth |
Bluetooth Profiles | Advanced Audio Distribution Profile (A2DP), Hands-Free Profile (HFP), Human Interface Device Profile (HID), Phonebook Access Profile (PBAP) |
Call Services | Voice Mail, Caller ID, Call Waiting, Call Hold, Call Transfer, Call Forwarding, Call park/pickup |
Caller ID Type | Caller ID/call waiting |
Dialer Location | Base |
Conference Call Capability | Yes |
Speakerphone | Yes |
Volume Control | Yes |
Indicators | Speakerphone indicator, headset, mute indicator, home, line status indicator, status, busy lamp field (BLF) |
Additional Functions | One button to join (OBTJ), QR code access, conference mode, mute, Music on hold, Do not disturb, call recording, sleep mode, Kensington security slot |
Main Features | Integrated Ethernet switch |
VoIP | Yes |
VoIP Protocols | SIP, SDP, RTCP, RTP, SRTP |
Voice Codecs | Opus, G.722, G.722.2, iSAC, G.711a-law, G.711μ-law, G.729a, G.729b, iLBC |
Lines Supported | 128 lines |
Quality of Service | IEEE 802.1Q (VLAN) |
IP Address Assignment | DHCP, static |
Security | WPA3, AES, EAP-FAST, EAP-TLS, PEAP-GTC, PEAP-MSCHAPv2, TKIP, GCMP, MIC, IEEE 802.1X, TLS 1.3, FIPS 140-2, SRTP |
Power Over Ethernet (PoE) Support | Yes |
Network Protocols | IPv4, IPv6, DHCP, GARP, DNS, TFTP, HTTPS, VLAN, RTP, RTCP, Cisco Discovery Protocol (CDP), Link Layer Discovery Protocol (LLDP), Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED) |
Network Ports Qty | 2 x Ethernet 10Base-T/100Base-TX/1000Base-T |
Compatible Software | Cisco WebEx, Cisco Unified Communications Manager |
Voice Features | Acoustic echo cancellation (AEC), forward error correction (FEC), automatic gain control (AGC), comfort noise generation (CNG), voice activity detection (VAD), packet loss concealment (PLC), silence suppression, acoustic shock protection, adaptive jitter buffer (AJB), dual tone multi-frequency (DTMF), HD audio, ultrasonic support |
Network Features | Class 3 PoE |
Type | Touchscreen LCD display - color |
Display Location | Base |
Diagonal Size | 5" |
Display Resolution | 1280 x 720 pixels |
Backlit | Yes |
Display Languages | Brazilian Portuguese, Catalan, Czech, Danish, Dutch, Finnish, French, French Canadian, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese, Russian, Spanish, Swedish, Turkish, Ukrainian, Chinese (simplified), Chinese (traditional), Chinese (Traditional, Hong Kong), Spanish (Columbia), UK English, US English |
Connections | Headset jack / RJ-9 ¦ 2 x network / RJ-45 ¦ USB / 4 pin USB Type A ¦ USB Type-C / 24 pin USB-C |
Hearing Aid Compatible | Yes |
Placing / Mounting | Desktop |
ENERGY STAR Certified | Yes |
Width | 8.4 in |
Depth | 8.9 in |
Height | 1.9 in |
Weight | 2.33 lbs |
Service & Support | Limited warranty - replacement - 1 year |
User Guides
Frequently Asked Questions
Cisco 9871 IP Desk Phone
Frequently Asked Questions (FAQ's)
What is the Cisco 9871 IP Desk Phone used for?
It is a premium enterprise IP phone designed for business communication, VoIP calling and unified collaboration.
Does it support VoIP communication?
Yes, it is designed for SIP-based VoIP and unified communication platforms.
Does it include a color display?
Yes, it features a large high-resolution color display for easy navigation and call management.
Does it support Wi-Fi connectivity?
Yes, integrated Wi-Fi provides flexible wireless networking options.
Is Bluetooth supported?
Yes, Bluetooth allows pairing with compatible headsets and mobile devices.
How is the audio quality?
It delivers premium HD voice audio for clear and professional communication.
Does it support multiple lines?
Yes, it supports multiple SIP lines for handling business communications efficiently.
Can it be used in hybrid work environments?
Yes, it is ideal for office, remote and hybrid workplace deployments.
Does it include a speakerphone?
Yes, it features a full-duplex speakerphone for hands-free conversations.
Can headsets be connected?
Yes, it supports compatible wired and wireless business headsets.
Does it support conferencing features?
Yes, it supports conferencing and collaboration capabilities.
Is it suitable for executives and professionals?
Yes, it is designed for demanding enterprise and executive communication environments.
Does it support USB accessories?
Yes, USB connectivity allows integration with supported accessories and peripherals.
Is it easy to deploy?
Yes, centralized provisioning and enterprise management tools simplify deployment.
Can firmware be updated?
Yes, firmware updates are supported for enhanced performance and security.
Does it include enterprise security features?
Yes, advanced security helps protect communications and sensitive business data.
Is it compatible with unified communications platforms?
Yes, it supports modern UC and collaboration environments.
Can IT teams manage it remotely?
Yes, enterprise management tools support centralized administration.
Is it energy efficient?
Yes, it is designed for efficient operation in professional environments.
Is it future-proof?
Yes, with advanced connectivity, VoIP compatibility and enterprise collaboration features, it supports long-term business communication needs.