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Cisco CP-6851-3PCC-K9 | 4-line SIP deskphone, 2x 10/100/1000 Ethernet (LAN+PC), 802.3af PoE, backlit grayscale display, RJ-9 headset, full‑duplex speakerphone

Cisco CP-6851-3PCC-K9 | 4-line SIP deskphone, 2x 10/100/1000 Ethernet (LAN+PC), 802.3af PoE, backlit grayscale display, RJ-9 headset, full‑duplex speakerphone

SKU:CP-6851-3PCC-K9

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Description

Easy-to-deploy open SIP desk phone for MPP platforms. Delivers 4 line appearances, a backlit grayscale display, integrated 2-port Gigabit switch for PC pass‑through, and PoE for simple cabling. Ideal for SMBs and service providers standardizing on MPP/3PCC firmware.

Features

- Open SIP MPP firmware for broad service‑provider compatibility
- Integrated 2‑port Gigabit switch reduces cabling at the desk
- PoE simplifies deployment and cuts external power costs
- Wideband audio and full‑duplex speakerphone for clear calls
- Secure signaling and media with TLS/SRTP
- Compact, familiar UI with 4 line keys and soft keys

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Will this work with Cisco CUCM?
A: This MPP/3PCC open SIP variant is intended for standards‑based SIP providers. For CUCM, the enterprise firmware model is required.

Q: Is a power supply included?
A: A power supply is not included with this configuration; power via 802.3af PoE or use an optional external adapter.

Q: Does it support Gigabit pass‑through to a PC?
A: Yes, it includes a 2‑port Gigabit Ethernet switch (LAN + PC).

Q: Can I use a wired headset?
A: Yes, it supports RJ‑9 wired headsets. EHS support depends on the headset model and adapter.

Q: Is wall mounting possible?
A: Yes, with an optional wall‑mount bracket.

Technical Specifications

- Lines/Accounts: Up to 4 SIP registrations (MPP/3PCC)
- Display: Backlit grayscale LCD
- Network: 2x 10/100/1000 Mbps Ethernet (LAN + PC pass-through)
- Power: IEEE 802.3af PoE (optional external power adapter)
- Audio: Full‑duplex speakerphone; wideband audio
- Codecs: Opus, G.711a/u, G.722, G.729ab, iLBC (provider/firmware dependent)
- Headset: RJ‑9 (4P4C) headset port
- Security: TLS, SRTP; 802.1X
- Features: 4 line keys, 4 soft keys, navigation cluster
- Mounting: Desk stand included; wall‑mount bracket optional
- Firmware Track: MPP/3PCC open SIP (not for CUCM enterprise firmware)

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