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Cisco

Cisco CP-8851-K9 | 5" color, 5 lines, 2x 1G switch, PoE Class 4, USB, Bluetooth, SIP

SKU:CP-8851-K9

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Description

A professional 5-line color IP desk phone with wideband audio, integrated Bluetooth for mobile/headset pairing, dual Gigabit switch ports for PC pass-through, PoE Class 4 efficiency, and a front USB port for headsets/charging. Supports SIP deployments and optional key expansion modules for attendant use.

Features

- Bright 5-inch color display for clear call handling
- Integrated Bluetooth for mobile and wireless headset pairing
- Dual Gigabit ports to simplify cabling at the desk
- PoE Class 4 for efficient, single-cable deployment
- HD wideband audio across handset, headset, and speakerphone
- Expandable with optional 8800 KEM for receptionist workflows

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: Does this phone include a power adapter?
A: No. It is typically powered via PoE. An external power supply can be purchased separately if needed.

Q: Will it work with third-party SIP providers?
A: Yes. It supports standard SIP; feature availability may vary by provider.

Q: Can I connect my PC through the phone?
A: Yes. It provides a second Gigabit Ethernet port for PC pass-through.

Q: How many key expansion modules are supported?
A: Up to two 8800 KEMs are supported.

Q: What audio codecs are supported?
A: Common codecs include G.722 (wideband), G.711a/u, and G.729.

Technical Specifications

- Display: 5.0-inch WVGA (800x480) color
- Lines: 5 programmable line keys; context-sensitive soft keys
- Ethernet: 2x RJ-45 10/100/1000 (LAN + PC pass-through)
- PoE: IEEE 802.3af/at, Class 4
- USB: 1x USB 2.0 Type-A (headset/charging)
- Bluetooth: Integrated (mobile and headset pairing)
- Audio: Wideband (G.722) on handset/headset/speaker; full-duplex speakerphone
- Headset: RJ-9 headset port; EHS via AUX (adapter dependent)
- Signaling: SIP; IPv4/IPv6
- Security: 802.1X, TLS, SRTP (when enabled by call control)
- Expansion: Supports 8800 Key Expansion Module (KEM)
- Mounting: Adjustable footstand; optional wall-mount kit
- Power: PoE or optional external power supply (sold separately)
- Color: Charcoal

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