Cisco

Cisco CP-9951-CL-K9 | VoIP Deskphone | 2x 1GbE switch | 802.3af PoE Class 2 | Color display (non-touch) | SIP/SCCP | Charcoal | Slimline handset

Cisco CP-9951-CL-K9 | VoIP Deskphone | 2x 1GbE switch | 802.3af PoE Class 2 | Color display (non-touch) | SIP/SCCP | Charcoal | Slimline handset

SKU:CP-9951-CL-K9

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Description

Enterprise IP desk phone with gigabit passthrough, wideband audio, secure SIP/SCCP operation, and a high‑resolution color display. Charcoal finish with slimline handset for a lighter feel. Ideal for knowledge workers who need reliable voice quality and a streamlined handset profile.

Features

- Integrated 2-port gigabit switch for PC passthrough
- High-resolution color display for intuitive call handling
- Wideband audio on handset and speaker for clear voice quality
- Secure voice with TLS signaling and SRTP media
- PoE-powered to simplify cabling and deployment
- Slimline handset for a lighter, ergonomic feel

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 designed for 802.3af PoE. An optional local power adapter may be used if PoE is unavailable.

Q: Is it compatible with third‑party SIP platforms?
A: It supports SIP; interoperability depends on firmware and the target PBX. It is fully supported with Cisco Unified Communications Manager and CME.

Q: Can it be wall‑mounted?
A: Yes, with an optional wall‑mount kit. The adjustable desk stand is included.

Q: Does it have gigabit passthrough for a connected PC?
A: Yes. It includes a 2-port 10/100/1000 Mbps switch.

Technical Specifications

- Network: 2x RJ-45 10/100/1000 Mbps switch with PC pass-through
- Power: IEEE 802.3af PoE (Class 2); optional local 48V adapter
- Signaling: SIP and SCCP (dependent on firmware/UC platform)
- Display: High-resolution color LCD, softkeys, on-screen navigation
- Audio: Wideband (G.722), G.711a/u, G.729a/b; full-duplex speakerphone
- Security: 802.1X, TLS signaling encryption, SRTP media encryption
- Headset: RJ-9 headset port
- Color/Finish: Charcoal
- Handset: Slimline
- QoS: DiffServ/DSCP, 802.1p

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