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Cisco IP Phones & Accessories CP-7811-K9
About the product
- High-resolution, graphical grayscale display for easier viewing
- Dedicated fixed keys for increased efficiency
- A built-in speakerphone for hands-free communications
- Wideband for enhanced audio, supported with an optional wideband handset
- Flexible deployment options include Cisco on-premises, hosted, and Webex Calling.
- Cisco Expressway, which enables remote workers to enjoy single sign-on access without a VPN client
- Power over Ethernet (PoE) Class 1 and Cisco EnergyWise to help reduce energy costs
- Integrated IEEE 10/100 switch to reduce installation costs
- Cisco Webex Phone OS consolidates administration with software common to both the IP Phone 7800 Series and IP Phone 8800 Series
Cisco 7811-K9 IP Phone CP-7811-K9
The Cisco 7811-K9 IP Phone CP-7811-K9 delivers advanced IP Telephony features and crystal clear wideband audio performance to deliver an easy-to-use, full-featured voice communications experience on Cisco on-premises and hosted infrastructure platforms and third party hosted call control. It supports one line (available in charcoal only). The Cisco CP-7811-K9 is an entry-level, single-line IP phone designed for cost-effective, secure, and reliable voice communications. It’s ideal for environments like lobbies, cafeterias, and conference rooms, where basic telephony features are sufficient.
- VoIP IP Phone Technology
- Cable connectivity Technology
- Has a caller ID
- Speakerphone function
Key Features
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. Compact and Functional Design
- Display: 3.28-inch (83.3 mm) grayscale graphical display with a resolution of 384 x 106 pixels.
- Fixed Feature Keys: 8 dedicated keys for essential functions such as hold, transfer, conference, and voicemail.
- Speakerphone: Full-duplex narrowband speakerphone for hands-free communication.
2. Audio Quality
- Wideband Audio: Optional wideband audio with the purchase of a wideband handset, enhancing voice clarity.
- Audio Features: Includes Automatic Gain Control, Comfort Noise Generation, Silence Suppression/Voice Activity Detection, Acoustic Echo Cancellation (AEC), and Dynamic Noise Reduction for improved call quality.
3. Power and Energy Efficiency
- Power over Ethernet (PoE): Class 1 PoE support for simplified deployment without the need for separate power adapters.
- Energy Efficiency: Supports Cisco EnergyWise for power management, helping reduce energy costs.
4. Deployment Flexibility
- Deployment Options: Compatible with Cisco on-premises, hosted, and Webex Calling solutions.
- Remote Access: Supports mobile remote access without a VPN client through Cisco Expressway, enabling secure access for remote users.
5. Security and Compliance
- Secure Signaling and Media: Supports secure signaling and media encryption to ensure privacy and data protection.
- Compliance: Meets various regulatory compliance standards, ensuring reliability and security in enterprise environments.
6. Cost-Effective Solution
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Affordable Pricing: Priced at approximately KES 14,500, the CP-7811-K9 provides a budget-friendly option for businesses seeking reliable voice communication without significant investment.
| 1 – Handset light strip | 2 – Phone screen | 3 – Softkey buttons | 4-Programmable feature buttons |
| 5 – Navigation and Select button | 6 – Hold/Resume button | 7- Conference button | 8 – Transfer button |
| 9 – Speakerphone button | 10 – Headset button | 11 – Mute button | 12 – Keypad |
| 13 – Volume button | 14 – Contacts button | 15 – Applications button | 16 – Messages button |
| 17- Handset | |||
Advantages
- High-Quality Audio: Supports wideband audio for clearer voice calls.
- Security: “K9” in Cisco gear usually means it includes enhanced encryption/security features — for phones, this means secure signaling and media encryption.
- Rich Features: Supports Cisco Unified Communications Manager, plus advanced telephony features like conferencing, corporate directory access, and XML apps.
- Large Display: Color display with touch-sensitive keys, improving usability.
- Power over Ethernet (PoE): Simplifies deployment by powering the phone over the network cable.
- Compatibility: Works well within Cisco’s Unified Communications infrastructure.
- Multi-Line Support: Can handle multiple lines and calls simultaneously.
- Expandability: Supports expansion modules for additional line appearances.
Limitations / Considerations
- Feature Set: The “K9” usually means it includes strong encryption (e.g., VPN, IPsec, SSL) features.
- Platform-specific: Some IOS images only support certain router/switch hardware platforms.
- Memory and Flash Size: Limited by the hardware on the device.
- Version Support: Older IOS images may not support the latest protocols or security standards.
- Licensing: Some features might require additional licenses to be enabled.
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