Cisco CP-6861-W-3PCC-K9 Full English Product Description

Listing Title

Cisco CP-6861-W-3PCC-K9 Multiplatform (3PCC) 4-Line White Wireless Gigabit VoIP Desk Phone, Built-In 802.11 b/g/n Wi-Fi Connectivity, 3.2-inch 320×120 Backlit Grayscale LCD Screen with XML Application Support, Single 10/100/1000BASE-T Gigabit Ethernet Port (No PC Pass-Through), Full-Duplex HD Wideband Echo-Canceling Speakerphone, Dedicated RJ-9 Wideband Headset Port, Open-Standard SIP MPP Third-Party Call Control Firmware, SRTP/TLS 256-bit Encrypted Secure Voice, Desktop & Wall Mountable, No Native PoE Support, Included Global AC Power Adapter, Ideal for Remote Workers, Hotdesking Flexible Offices, Bright Modern Office Interiors, Small Business Staff, UCaaS & Third-Party SIP PBX Wireless VoIP Deployments

Full Commercial Overview

The Cisco CP-6861-W-3PCC-K9 is the white chassis color variant of the Cisco IP Phone 6861 wireless multiplatform (MPP) VoIP desk phone within Cisco’s IP Phone 6800 Series product lineup. The suffix breakdown defines core specifications:

• 6861: Base wireless 4-line MPP IP phone model
• -W: White matte plastic chassis color (standard baseline CP-6861-3PCC-K9 is charcoal gray)
• 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 platformsCisco.

The core unique selling point of this model is its integrated 802.11 b/g/n 2.4GHz Wi-Fi radio, enabling cable-free VoIP deployments for hot-desking, home remote offices, co-working spaces, and workstations without available wired Ethernet wall jacks. It supports four independent SIP registrations, a high-resolution grayscale backlit LCD display, single Gigabit wired Ethernet fallback connectivity for wired backup, enterprise HD wideband audio, and robust encrypted SIP voice communications.

Key hardware differences from other 6800-series models:

1. Distinct white matte chassis appearance vs charcoal gray standard 6861
2. Single Gigabit LAN port only, no secondary PC pass-through switching port
3. Built-in Wi-Fi wireless radio, no KEM key expansion module compatibility
4. No IEEE 802.3af PoE support; powered exclusively by included universal AC power adapter.

The entire Cisco IP Phone 6861 hardware platform reached official End-of-Sale (EoS) status effective June 09, 2026, classified as legacy discontinued VoIP hardware, succeeded by updated Webex wireless IP phone product lines.

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 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. Four Independent Programmable SIP Line Buttons

Four physical tricolor LED illuminated line keys on the left side of the display support up to four 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.

2. Graphical LCD Display & Physical Control Layout

• Display Panel: 3.2-inch grayscale backlit LCD screen with 320 × 120 pixel resolution, rendering caller ID name/number, real-time call duration timestamps, local call history logs, system menu navigation, live Wi-Fi connection status, network time/date, XML corporate directory and application content, plus status icons for active headset, mute and DND silent modesCisco.
• 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).
• Chassis Color Differentiator: Entire phone body, handset and stand feature clean matte white ABS plastic finish, optimized for bright, minimalist office interior designs (the base CP-6861 model uses charcoal gray casing).

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

The CP-6861-W includes identical enterprise-grade Wi-Fi hardware as the gray CP-6861 variant: Wi-Fi Certified 802.11 b/g/n wireless radio operating on the 2.4GHz frequency band with WMM voice QoS prioritization to guarantee low-latency real-time VoIP media streamsCisco. 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 LCD menu
• Real-time Wi-Fi connection status monitoring continuously displayed on the main LCD screen

4. Complete Wideband HD Audio Subsystem

• 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.
• Dedicated RJ-9 wideband headset audio port fully compatible with Cisco 500 Series wired headsets and mainstream industry-standard office wired headsets.
• 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 white 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 (8.2 × 8.1 × 1.3 inches), identical physical footprint as the charcoal gray CP-6861 model.
• Unit Weight: 602.8g excluding foot stand, handset and packaging; 670g including foldable foot stand, excluding handset, matching weight specifications of standard 6861 variantsCisco.
• Power Save Mode Support: Configurable low-power standby to reduce idle energy consumption for wireless home office deployments.

Network, Power & Hardware Interfaces

1. Single Gigabit Wired Ethernet Port (No PC Pass-Through)

One auto-sensing 10/100/1000BASE-T Gigabit RJ45 LAN port for fallback wired network connectivity; no secondary switched PC pass-through port (key hardware difference from wired CP-6841/6851 models). 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. Power Supply Specifications (No Native PoE Support)

The CP-6861-W does not support IEEE 802.3af PoE power delivery; power is exclusively supplied via a factory-included universal AC-to-DC power adapter (5V DC output, 100–240VAC 50/60Hz global input). No official PoE injector accessory is supported for this wireless phone model.

3. Additional Physical Interfaces

• RJ-9 modular wired handset connector
• Dedicated RJ-9 wideband headset audio jack
• 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 LCD menu or triggered through standard SIP star feature access codes:

1. Four-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.
2. Caller ID & Personalization: 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 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 b/g/n wireless radio certification.
• 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, wireless radio management, LCD menu rendering and embedded web server operation.
• Lifecycle Status: Discontinued End-of-Sale wireless MPP VoIP hardware, EoS effective June 09, 2026, no further official firmware feature development, 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-6861-W-3PCC-K9
• Device Type: White Chassis Wireless Multiplatform 4-Line Open SIP VoIP Desk IP Phone (3PCC Third-Party Call Control MPP Firmware), Integrated 802.11 b/g/n Wi-Fi Radio, No KEM Expansion Support, No PoE
• Chassis Unique Feature: Matte white ABS plastic housing (standard CP-6861 = charcoal gray)
• 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: 3.2-inch backlit grayscale LCD screen, 320 × 120 pixel resolution, XML corporate directory/application support
• Wi-Fi Connectivity: Built-in Wi-Fi Certified 802.11 b/g/n (2.4GHz band), WPS pairing, up to 4 configurable wireless profiles, WMM voice QoS, WEP/WPA/WPA2/802.1X enterprise wireless security
• Physical Buttons & Indicators: 4 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 handset port, dedicated RJ-9 wideband headset jack, built-in full-duplex echo-canceling HD speakerphone, HAC hearing-aid compatible handset
• Ethernet Interfaces: Single auto-sensing 10/100/1000BASE-T Gigabit LAN port (WAN fallback only, no PC pass-through secondary switch port)
• Power: No native IEEE 802.3af PoE support; powered exclusively via factory-included 5V DC universal AC power adapter
• 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
• Security Features: TLS encrypted SIP signaling, SRTP AES encrypted voice media, enterprise-grade Wi-Fi authentication & encryption, dual-level admin/user password lock, HTTPS embedded web management, password-protected factory reset
• Core Call Features: 4-line multi-call-per-line concurrent call support, call waiting, hold, attended/blind transfer, three-way conference, BLF extension busy lamp field monitoring, caller ID blocking, anonymous call rejection, intercom, group call pickup, speed dial, 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 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: Bright minimalist modern office workstations, remote home office telephony setups, office hot-desking flexible workspaces, co-working spaces, small business staff desks without wired Ethernet wall jacks, third-party SIP PBX / Webex Calling / Broadworks UCaaS environments requiring cable-free wireless VoIP connectivity and white aesthetic chassis
• Lifecycle Status: Discontinued End-of-Sale wireless MPP IP phone, official EoS date June 09, 2026
• Warranty: One-year limited Cisco hardware warranty

Model Quick Reference

• CP-6861-W-3PCC-K9 is the white color chassis variant of the CP-6861-3PCC-K9 wireless 4-line multi-platform open SIP phone within Cisco 6800 MPP Series; the "-W" suffix exclusively denotes white matte plastic housing, all internal hardware, wireless radio, firmware and functional specifications are identical to the charcoal gray base model.
• Core positioning: Cable-free wireless business VoIP endpoint built exclusively for open SIP PBX and hosted UCaaS platforms, offering four SIP registrations, integrated 802.11 b/g/n Wi-Fi, single Gigabit fallback wired port, high-resolution grayscale LCD screen, with white chassis optimized for bright, clean office interior design requirements.
• Key differentiators vs other 4-line 6800-series models:
  1. CP-6841: Charcoal gray chassis, wired dual Gigabit ports (PC pass-through), no Wi-Fi, no KEM expansion
  2. CP-6851: Charcoal gray chassis, wired Gigabit ports, no Wi-Fi, supports KEM expansion for BLF keys
  3. CP-6861-3PCC-K9: Charcoal gray chassis, built-in Wi-Fi wireless radio, single Gigabit port (no PC pass-through), no KEM expansion, no PoE support
  4. CP-6861-W-3PCC-K9: White matte chassis, identical wireless and hardware specifications as gray CP-6861 model
• Primary deployment advantage: Integrated Wi-Fi radio eliminates wired Ethernet cabling requirements for hotdesks, remote workers and flexible office spaces; fallback Gigabit wired LAN provides reliable backup connectivity for high-priority voice traffic, while the white chassis matches modern light-toned office decor standards.
• Compatible with all standard SIP hosted PBX platforms and Webex Calling via open MPP 3PCC SIP firmware.