Cisco CP-6871-3PCC-K9 Full English Product Description

Listing Title

Cisco CP-6871-3PCC-K9 Multiplatform (3PCC) 6-Line Gigabit PoE Wi-Fi VoIP Desk Phone, Dual-Band 802.11 a/b/g/n Wireless Connectivity, 3.5-inch 480×272 Color Backlit LCD Display with XML Application Support, Dual 10/100/1000BASE-T Gigabit Switched Ethernet Ports with PC Pass-Through, IEEE 802.3af Class 3 PoE Supported, Full-Duplex HD Wideband Echo-Canceling Speakerphone, Dedicated RJ-9 Wideband Headset Port + USB Headset Support, Open-Standard SIP MPP Third-Party Call Control Firmware, SRTP/TLS 256-bit Encrypted Secure Voice, Desktop & Wall Mountable, Energy Star Certified, End-of-Sale Announced, Ideal for Office Managers, Multi-Line Administrative Staff, Hotdesking Flexible Workspaces, Remote Workers, Small-to-Mid Business SIP PBX & UCaaS Deployments Requiring Color Display, Wireless Connectivity and High Line CapacityCisco

Full Commercial Overview

The Cisco CP-6871-3PCC-K9 is the top-tier flagship multiplatform (MPP) VoIP desk phone within Cisco’s IP Phone 6800 Series product lineup. The suffix breakdown defines core specifications:

• 6871: Premium flagship model of the 6800 MPP series
• 3PCC: Third-Party Call Control, runs pure open-standard SIP MPP firmware independent of Cisco CUCM enterprise call managers, fully interoperable with Webex Calling, Broadworks, Asterisk, and all mainstream hosted SIP PBX and UCaaS platforms.

This model represents the highest-end offering in the 6800 series with unique differentiators vs all other 6800 variants:

1. Up to 6 independent SIP registration lines (more than 4-line 6821/6841/6851/6861)
2. 3.5-inch high-resolutioncolor LCD screen(all other 6800 phones use grayscale displays)
3. Dual-band 2.4GHz / 5GHz 802.11 a/b/g/n Wi-Fi wireless radio
4. Dual Gigabit Ethernet ports with PC pass-through switch (unlike single-port wireless 6861)
5. IEEE 802.3af Class 3 PoE support (wireless 6861 has no PoE)
6. Dual headset support: traditional RJ-9 analog headset + USB digital headset compatibility
7. Higher power budget (max 12.95W PoE Class 3) for full feature operationCisco Russ...

The CP-6871 balances high line capacity, wireless cable-free flexibility, color graphical interface, enterprise HD wideband audio, and robust encrypted SIP voice communications for high-productivity managers, receptionists, remote hybrid workers, and hot-desking office environments. Cisco issued an official End-of-Life announcement for the IP Phone 6871 MPP series, marking it as legacy discontinued collaboration hardware with scheduled end-of-support milestones.

All device provisioning, dial plan configuration, unattended bulk firmware upgrades and remote diagnostics are supported via TFTP, HTTP and HTTPS secure auto-provisioning. Basic local configuration adjustments can be completed directly through the color backlit graphical LCD menu navigation without requiring a PC web portal, and the display supports customizable XML enterprise applications for corporate LDAP directories, internal announcements and custom business workflow tools.

Hardware, Display & Audio Architecture

1. Six Independent Programmable SIP Line Buttons

Six physical tricolor LED illuminated line keys on the left side of the color display support up to six unique SIP registrations. Each line key enables multi-call-per-line appearance functionality to manage multiple concurrent calls, shared line monitoring and BLF extension status tracking. LED color coding indicates real-time call state: solid green for idle line, solid red for active/held calls, flashing red for incoming ringing calls, steady amber for unregistered offline linesCisco.

2. Graphical Color LCD Display & Physical Control Layout

• Display Panel: 3.5-inch color backlit LCD screen with 480 × 272 pixel high resolution, the only color display in the entire 6800 series lineup. The screen renders vivid color caller ID name/number, real-time call duration timestamps, local call history logs, system menu navigation, live dual-band Wi-Fi connection status, network time/date, full-color XML corporate directory and application content, plus intuitive color-coded status icons for active headset, mute and DND silent modes. Display brightness is fully adjustable via on-device menu.
• Hard Key Layout & Navigation: Standard 12-key tactile numeric dial pad; dedicated fixed-function illuminated hard keys: Mute, Headset, Speakerphone, Volume Toggle, Central Four-Way Navigation Cluster with Select Button, Directory, Applications, Hold, Transfer, Conference and three context-sensitive LCD softkeys for dynamic call control workflows.
• LED Status Indicators: Backlight status LEDs on all line and function keys; dedicated vertical red Message Waiting Indicator (MWI) LED integrated on the handset cradle to notify users of unheard voicemail messages (solid red = new voicemail, flashing red = incoming call alert).

3. Integrated Dual-Band 802.11 a/b/g/n Wi-Fi Wireless Module

The CP-6871 features enterprise-grade dual-band Wi-Fi Certified 802.11 a/b/g/n wireless radio supporting both 2.4GHz and 5GHz frequency bands with WMM voice QoS prioritization to guarantee low-latency real-time VoIP media streams. Key wireless functional features:

• Supports up to 4 configurable independent Wi-Fi network profiles for multi-location roaming between home and office wireless access points
• WPS Wi-Fi Protected Setup one-touch wireless network pairing for simplified deployment
• Comprehensive enterprise wireless security modes: WEP, WPA-PSK (TKIP), WPA2-PSK (AES), 802.1X enterprise authentication including PEAP-MSCHAPv2, EAP-FAST, EAP-TLS, PEAP-GTC
• On-device wireless network SSID scanning capability accessible directly via the color LCD menu
• Real-time Wi-Fi connection status monitoring continuously displayed on the main color LCD screenCisco Russ...

4. Complete Wideband HD Audio Subsystem + Dual Headset Support

• Ergonomic wired analog handset with noise isolation and native G.722 HD wideband audio support, connected via a standard RJ-9 modular port.
• Built-in full-duplex hands-free speakerphone with advanced acoustic echo cancellation, enabling simultaneous talk-and-listen conference-style calling without audio cut-off; automatic DTMF tone privacy masking activates during speakerphone operation.
• Dual headset connectivity options (unique to 6871 in 6800 series):
  1. Dedicated RJ-9 wideband analog headset audio port fully compatible with Cisco 500 Series wired headsets and mainstream industry-standard office wired headsets
  2. Built-in USB port supporting digital USB headset operation
• Supported Voice Codecs: G.711 A-law / µ-law, G.726, G.729A/B/AB, G.722 HD wideband voice, G.722.2, iSAC, ILBC, OPUS wideband audio codecs.
• Audio Optimization Technologies: Adaptive dynamic jitter buffer, Voice Activity Detection (VAD) silence suppression, Comfort Noise Generation (CNG); DTMF signaling transmitted via in-band audio or RFC 2833 out-of-band SIP INFO signaling.

5. Chassis & Mounting Specifications

Compact matte charcoal gray ABS plastic desktop chassis with a removable single-position foldable rear foot stand for stable desk or countertop placement. The foot stand can be fully detached to enable wall mounting, with pre-drilled standardized mounting holes located on the rear panel of the phone.

• Physical Dimensions (W × D × H): 207 × 206 × 33 mm, uniform chassis footprint matching all other 6800 series models
• Unit Weight: 604.4g including foldable foot stand, excluding handsetCisco Russ...
• Power Save Mode Support: Configurable low-power standby to reduce idle energy consumption for wireless home office deployments; Energy Star certified for eco-friendly low power operation.

Network, Power & Hardware Interfaces

1. Dual Gigabit Wired Ethernet Ports with PC Pass-Through Switch

Two auto-sensing 10/100/1000BASE-T Gigabit RJ45 LAN ports with integrated mini network switch, a critical advantage over the single-port wireless CP-6861 model:

• Primary WAN Port: Connects the IP phone directly to corporate LAN switches, VoIP gateways or SIP PBX appliances for SIP control signaling and RTP voice media traffic. Supports IEEE 802.3af PoE Class 3 power input.
• Secondary PC Pass-Through Port: Enables direct connection of downstream Ethernet devices (desktop PCs, laptops, retail POS terminals) to the corporate network through the phone, eliminating the requirement for extra wall-mounted network jacks and cutting office cabling infrastructure costs.

Supported networking standards: Full IPv4 + IPv6 dual-stack RFC compliance suite, DHCP client for automatic IP addressing, DNS A/SRV resource record lookup, ARP, ICMP, TCP/UDP, RTP/RTCP voice media quality reporting, Layer 2 802.1p QoS traffic marking, voice VLAN 802.1Q tagging, STUN NAT traversal for remote/home office NAT network environments, SNTP network time synchronization, CDP and LLDP network device discovery protocols.

2. Dual Power Supply Options (PoE Class 3 Supported)

1. Native IEEE 802.3af Class 3 PoE Support (Primary Deployment Method): The CP-6871 supports Class 3 PoE with maximum power consumption of 12.95W, drawing electrical power directly from PoE-enabled network switches via Ethernet cabling, eliminating separate AC power adapters for standard office workstation deploymentsCisco Russ....
2. Auxiliary AC Power Supply Backup: Optional country-specific universal AC-to-DC power adapter (Cisco 6800 series 5V power cube, sold separately), rated for 100–240 VAC 50/60Hz input, output 5V DC / 2.0A for phone operation in non-PoE network environments.

3. Additional Physical Interfaces

• RJ-9 modular wired handset connector
• Dedicated RJ-9 wideband analog headset audio jack
• USB port for digital USB headset compatibility
• Recessed pinhole password-protected factory reset button for restoring default device configurations.

Core Business Telephony Feature Set

All calling functions can be configured via auto-provisioning templates, on-device color LCD menu or triggered through standard SIP star feature access codes:

1. Six-Line Multi-Call Handling: Multi-call-per-line appearance support, per-line call waiting, call hold, music-on-hold, attended & blind call transfer, local three-way ad-hoc audio conferencing, call swap between active lines, automatic last number redial, on-hook dialing, global Do Not Disturb (DND) mode to suppress incoming ring alerts, call park and unpark functionality, shared line appearance monitoring and BLF extension busy lamp field status tracking.
2. Caller ID & Personalization: Color caller ID name/number display on LCD, outbound caller ID blocking, anonymous call rejection, customizable distinctive ringtones configurable per line, programmable speed dial entries and local stored personal phone directory; LDAP corporate directory lookup via XML application framework.
3. Utility & Group Calling Features: One-touch intercom calling with auto-answer speakerphone mode, selective and group call pickup, call back on busy, system broadcast paging support.
4. Local Call Log Storage: Onboard storage for dialed, received and missed call records with timestamps and call duration data, fully viewable on the phone’s color LCD screen or embedded web management portal.
5. Voicemail Integration: Native MWI voicemail notification via SIP SUBSCRIBE/NOTIFY messaging, dedicated one-touch Messages hard key for instant voicemail retrieval.

Security & Remote Management Capabilities

1. Voice & Signaling Encryption: SRTP (Secure Real-time Transport Protocol) up to 256-bit AES encryption for VoIP audio media streams, TLS encrypted SIP control signaling to prevent network call eavesdropping and malicious signaling interception.
2. Multi-Tier Device Access Security: Separate administrator and end-user permission levels protected by unique passwords; password-locked factory reset function to block unauthorized full configuration erasure.
3. Wireless Network Security: Full suite of enterprise wireless authentication and encryption standards (WEP, WPA2-PSK, 802.1X EAP enterprise modes) to protect wireless voice traffic from unauthorized interception.
4. Automated Provisioning & System Monitoring: Secure unattended remote firmware upgrades without interrupting active voice calls, centralized syslog event logging, built-in network diagnostic tools for IT administrators and small business telecom service providers; customizable XML enterprise application support for corporate directories and internal business services; RTCP-XR voice quality statistics reporting for network telephony performance auditing.

Environmental & Regulatory Specifications

• Regulatory Compliance Certifications: FCC Part 15 Class B electromagnetic interference compliance, UL / C-UL electrical safety certification, CE marking for European Union market compliance, A-Tick Australian telecommunications certification, HAC hearing aid compatibility certification, Wi-Fi Alliance Certified 802.11 a/b/g/n dual-band wireless radio certification, Energy Star certified.
• Operating Environment: Indoor use only Operating Temperature: 0°C ~ +40°C (32°F ~ 104°F) Storage Temperature: -10°C ~ +60°C (14°F ~ 140°F) Operating Humidity: 10% – 90%, non-condensing Storage Humidity: 10% – 95%, non-condensing
• Memory Architecture: Onboard flash memory for persistent firmware and configuration storage, dedicated SDRAM runtime memory for real-time multi-line call processing, dual-band wireless radio management, color LCD menu rendering and embedded web server operation.
• Lifecycle Status: Discontinued End-of-Sale wireless MPP VoIP hardware, official EOL announcement published by Cisco, limited critical bug maintenance support only.
• Warranty: Standard one-year limited Cisco hardware warranty for commercial business end-user deployments.

Key Specification Bullet Points

• Model Number: Cisco CP-6871-3PCC-K9
• Device Type: Flagship Dual-Band Wi-Fi Multiplatform 6-Line Open SIP VoIP Desk IP Phone (3PCC Third-Party Call Control MPP Firmware), IEEE 802.3af Class 3 PoE, Dual Gigabit Ethernet with PC Pass-Through, Color LCD, USB Headset Support
• Supported Telephony Protocols: Industry Standard SIP v2 (RFC 3261 Suite), MPP Multiplatform Firmware for third-party PBX / UCaaS compatibility
• Supported Voice Codecs: G.711 A/µ, G.726, G.729A/B/AB, G.722 HD Wideband Voice, G.722.2, iSAC, ILBC, OPUS
• Display: 3.5-inch backlit color LCD screen, 480 × 272 pixel resolution, full-color XML corporate directory/application support, adjustable brightness
• Wi-Fi Connectivity: Built-in Wi-Fi Certified dual-band 802.11 a/b/g/n (2.4GHz + 5GHz bands), WPS pairing, up to 4 configurable wireless profiles, WMM voice QoS, WEP/WPA/WPA2/802.1X enterprise wireless security
• Physical Buttons & Indicators: 6 programmable tricolor LED line keys, 12-key numeric dial pad, dedicated illuminated hard keys for Mute, Headset, Speakerphone, Volume, Navigation Cluster, Directory, Applications, Hold, Transfer, Conference; standalone red handset cradle MWI voicemail waiting LED
• Expansion Compatibility: No support for Cisco 6800 Key Expansion Module (KEM)
• Physical Audio Interfaces: RJ-9 analog handset port, dedicated RJ-9 wideband analog headset jack, USB port for digital USB headsets, built-in full-duplex echo-canceling HD speakerphone, HAC hearing-aid compatible handset
• Ethernet Interfaces: Dual auto-sensing 10/100/1000BASE-T Gigabit switched LAN ports (WAN uplink + PC pass-through secondary switch port)
• Power: Native IEEE 802.3af Class 3 PoE support (max 12.95W); Optional separate 5V DC universal AC power adapter sold individually
• Mounting Method: Removable foldable desktop foot stand as standard; wall-mount capable via rear chassis mounting holes
• Supported QoS & Networking: 802.1p Layer 2 QoS marking, voice VLAN 802.1Q tagging, DHCP client, STUN NAT traversal, SNTP time sync, CDP/LLDP network device discovery, WMM wireless voice prioritization, IPv4 + IPv6 dual stack
• Security Features: TLS encrypted SIP signaling, SRTP AES encrypted voice media, enterprise-grade dual-band Wi-Fi authentication & encryption, dual-level admin/user password lock, HTTPS embedded web management, password-protected factory reset
• Core Call Features: 6-line multi-call-per-line concurrent call support, call waiting, hold, attended/blind transfer, three-way conference, BLF extension busy lamp field monitoring, color caller ID display, caller ID blocking, anonymous call rejection, intercom, group call pickup, speed dial, color LCD-accessible local call logs, DND silent mode, voicemail MWI notification, call park/unpark, shared line appearance, LDAP directory lookup via XML
• Management Tools: Embedded web admin interface, local color LCD menu configuration, TFTP/HTTP/HTTPS auto remote provisioning, syslog event logging, unattended remote in-service firmware upgrades, customizable XML enterprise application support, RTCP-XR voice quality reporting
• Deployment Scenarios: Office manager workstations, high-volume administrative reception desks, multi-line supervisory staff desks, office hot-desking flexible workspaces, co-working spaces, remote hybrid home office telephony setups, third-party SIP PBX / Webex Calling / Broadworks UCaaS environments requiring dual-band wireless, color graphical interface, six SIP registrations, PoE power and PC pass-through Gigabit Ethernet
• Lifecycle Status: Discontinued End-of-Sale flagship MPP IP phone, official Cisco EOL announcement
• Warranty: One-year limited Cisco hardware warranty

Model Quick Reference

• CP-6871-3PCC-K9 is the top-tier flagship dual-band wireless 6-line multi-platform open SIP phone of Cisco 6800 MPP Series; the "3PCC" suffix denotes third-party open SIP firmware, fully separate from CUCM-locked SCCP enterprise variants.
• Core positioning: Premium flagship business VoIP endpoint built exclusively for open SIP PBX and hosted UCaaS platforms, the unique top model of the 6800 series with exclusive key features no other 6800 phone offers: six SIP lines, color LCD screen, dual-band 2.4G/5G Wi-Fi, dual Gigabit Ethernet PC pass-through, IEEE 802.3af Class 3 PoE, USB digital headset support.
• Key differentiators vs other 4-line 6800-series models:
  1. CP-6841: Charcoal gray chassis, wired dual Gigabit ports (PC pass-through), single-band grayscale display, no Wi-Fi, 4 lines, no PoE
  2. CP-6851: Charcoal gray chassis, wired Gigabit ports, single-band grayscale display, no Wi-Fi, 4 lines, PoE Class 2, KEM expansion support
  3. CP-6861: Charcoal gray chassis, single Gigabit port (no PC pass-through), single-band grayscale display, single-band 2.4G Wi-Fi, 4 lines, no PoE
  4. CP-6871-3PCC-K9: Charcoal gray chassis, dual Gigabit PC pass-through ports, high-resolution color LCD, dual-band 2.4G/5G Wi-Fi, 6 SIP registration lines, IEEE 802.3af Class 3 PoE, USB headset support, Energy Star certified
• Primary deployment advantage: The only 6800 series phone combining dual-band wireless cable-free VoIP flexibility, PoE power delivery, dual Gigabit Ethernet for workstation PC sharing, color graphical display for enhanced user experience, six independent SIP lines for high-volume multi-call workloads, and dual analog/USB headset compatibility, ideal for executive managers, busy receptionists and hybrid remote office deployments.
• Compatible with all standard SIP hosted PBX platforms and Webex Calling via open MPP 3PCC SIP firmware.