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Cisco CP-9951-K9 Unified IP Phone 9951
Cisco CP-9951-K9 Unified IP Phone 9951 is an executive-class business IP phone designed for professional voice and video communication. It features a high-resolution color display, HD/wideband audio, Gigabit Ethernet connectivity, USB ports, Bluetooth support, and optional video calling with the Cisco Unified Video Camera.
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Product Description
Cisco CP-9951-K9 Cisco Unified IP Phone 9951
Upgrade your business communication setup with the Cisco CP-9951-K9 Unified IP Phone 9951, a feature-rich executive IP phone designed for professional voice, collaboration, and video communication.
The Cisco Unified IP Phone 9951 combines a high-resolution color display with wideband audio, Gigabit Ethernet connectivity, programmable keys, USB connectivity, and advanced collaboration capabilities. Cisco documentation lists support for SIP signaling, H.264 video, 10/100/1000 Ethernet connectivity, and Power over Ethernet.
Key Features
- Cisco Unified IP Phone 9951
- Part number: CP-9951-K9
- Executive-class business IP phone
- High-resolution color display
- HD/wideband audio
- 10/100/1000 Gigabit Ethernet
- Switched PC Ethernet port
- IEEE 802.3af/802.3at PoE support
- USB connectivity
- Bluetooth headset support
- Programmable line and feature keys
- Full-duplex speakerphone
- SIP signaling
- H.264 video support
- Optional Cisco Unified Video Camera support
- Supports Cisco Unified Communications environments
Professional Business Communication
The CP-9951-K9 is designed for users who need more than basic voice calling. Its combination of high-quality audio, color display, programmable controls, Gigabit networking, and optional video functionality makes it suitable for executive offices and professional communication environments.
Gigabit Ethernet Connectivity
The Cisco 9951 provides a 10/100/1000 Ethernet network port and switched PC port, allowing the phone and a connected computer to share network connectivity.
Voice and Video Collaboration
The 9951 supports SIP signaling and H.264 video. With the appropriate Cisco Unified Video Camera, the phone can provide video communication capabilities.
Power over Ethernet
The phone supports IEEE 802.3af and 802.3at Power over Ethernet, helping simplify deployment where compatible PoE network infrastructure is available.
Who Should Buy Cisco CP-9951-K9?
The Cisco 9951 is suitable for:
- Corporate offices
- Executive offices
- Business communication systems
- Cisco Unified Communications deployments
- IT departments
- Enterprise telephone systems
- Professional VoIP environments
- Organizations upgrading existing Cisco IP phone installations
Note: Compatibility, licensing, firmware and call-control requirements should be checked before purchase. Cisco documentation indicates the 9951 was designed for Cisco Unified Communications Manager environments and is now a discontinued product.
Specifications Table
| Specification | Details |
|---|---|
| Product | Cisco Unified IP Phone 9951 |
| Part Number | CP-9951-K9 |
| Product Series | Cisco 9900 Series |
| Phone Type | Executive IP/VoIP Phone |
| Display | High-resolution color display |
| Audio | HD / Wideband Audio |
| Ethernet | 10/100/1000 Mbps |
| PC Port | 10/100/1000 Mbps switched port |
| Signaling | SIP |
| Video | H.264 |
| Video Camera | Optional Cisco Unified Video Camera |
| USB | USB ports for supported accessories |
| Bluetooth | Supported |
| PoE | IEEE 802.3af / 802.3at |
| Speakerphone | Full duplex |
| Cisco Platform | Cisco Unified Communications |
| Status | Discontinued |
The specifications above are based primarily on Cisco’s published documentation.
FAQs
What is the Cisco CP-9951-K9 IP Phone?
The Cisco CP-9951-K9 is a Cisco Unified IP Phone 9951 designed for professional business voice and collaboration environments. It provides HD/wideband audio, a color display, Gigabit Ethernet and advanced communication features.
Does the Cisco CP-9951-K9 support Gigabit Ethernet?
Yes. The Cisco 9951 includes 10/100/1000 Ethernet connectivity for the phone and a switched PC port.
Does Cisco CP-9951-K9 support Power over Ethernet?
Yes. Cisco documentation specifies support for IEEE 802.3af and 802.3at PoE.
Does the Cisco 9951 support video calling?
Yes. The 9951 supports H.264 video and can work with the optional Cisco Unified Video Camera for video communication. The camera is an additional accessory and should not be assumed to be included with the phone.
Does the Cisco CP-9951-K9 support Bluetooth?
Yes. The Cisco Unified IP Phone 9951 supports Bluetooth for compatible wireless headsets.
Is Cisco CP-9951-K9 still supported by Cisco?
The Cisco Unified IP Phone 9951 is a discontinued product. Buyers should verify their required firmware, call-control platform, licensing and support requirements before purchasing.
Is Cisco CP-9951-K9 suitable for business offices?
Yes. Its executive-oriented design, wideband audio, Gigabit Ethernet, programmable controls and collaboration capabilities make it suitable for professional business communication environments.
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