CP-8851-3PCC-K9 Cisco VOIP phone w/ MPP software

Cisco CP-8851-3PCC-K9 - Multiplatform IP Phone

The 3PCC suffix indicates that this phone ships with multiplatform firmware (MPP), making it compatible with third-party SIP call control systems and UCaaS providers. This makes it ideal for hosted VoIP service providers and businesses that don’t use CUCM.

🔧 Key Specifications

• Lines Supported: 5 programmable lines
• Display:
  • 5-inch (800x480 pixel) widescreen color display
  • Backlit for visibility in all lighting conditions
• Audio:
  • Wideband audio (G.722 codec support)
  • Full-duplex speakerphone
  • Headset support (RJ-9, USB, EHS, and Bluetooth)
• Connectivity:
  • 2x 10/100/1000 Gigabit Ethernet ports (switch + PC passthrough)
  • Power over Ethernet (PoE) Class 2 support
  • Optional external power adapter if PoE not available
• User Interface:
  • 5 programmable line/feature keys
  • Fixed feature keys (hold, transfer, conference, voicemail, etc.)
  • Four-way navigation cluster + soft keys
• Security:
  • Secure boot and image authentication
  • TLS/SRTP for signaling and media encryption
• Firmware:
  • 3PCC multiplatform firmware (open SIP)
  • Compatible with BroadSoft, Asterisk, Metaswitch, Webex Calling, and other SIP-based UCaaS

🧩 Ideal Use Cases

• Knowledge workers and managers with moderate to heavy call volumes
• Hosted VoIP / UCaaS deployments using BroadSoft, Asterisk, or Metaswitch
• Webex Calling (MPP firmware) deployments
• Organizations needing enterprise-grade SIP phones outside CUCM