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CP-8811-K9, Cisco IP Phone, Widescreen Display/High Quality Voice/EnergyWise

Name: CP-8811-K9, Cisco IP Phone, Widescreen Display/High Quality Voice/EnergyWise
SKU: CP-8811-K9
Price: 203 USD
Availability: InStock
Rating: 4.8 (37 reviews)

Brand: Cisco
Model: CP-8811-K9
In Stock
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Rating:

96%

4.8/5.0

37 Reviews

37 Questions

List Price: $553.00

63% OFF

$203.00

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CP-8811-K9, Cisco IP Phone, Widescreen Display/High Quality Voice/EnergyWise

100% Genuine Ready to Ship

$553.00

63% OFF

$203.00

Overview

Cisco CP-8811-K9 Overview

The Cisco CP-8811-K9 is a business-class IP phone designed for enterprise collaboration and unified communications. It delivers high-quality voice using advanced audio codec support, extensive call features, and robust security features such as TLS and SRTP, making it ideal for secure deployments in Asia, Europe, Africa, and North America. With SIP-based network features, QoS options like 802.1Q/p, and wide language support, this Cisco IP phone fits distributors, SMB integrators, and end-users seeking reliable desk communications.

Product Highlights

Codecs

Langs

104°F

Op Temp

Product Applications Scenarios

Enterprise Network

Advanced SIP, QoS, and rich call features streamline enterprise voice, reducing helpdesk tickets and deployment effort by simplifying daily communication workflows.

Cloud Services

SIP signaling and HTTPS provisioning integrate with hosted PBX or UCaaS, cutting rollout time for distributed offices and remote branches by up to 30%.

Public Infrastructure

Durable casing, broad language support, and secure authentication make it suitable for campuses and government, improving service response and staff reachability.

Product Features Comparison


Model	CP-8811-K9, Cisco IP Phone, Widescreen Display/High Quality Voice/EnergyWise	CP-7841-K9, Cisco Unified IP Phone, 4 lines/High-res display/Gigabit Ethernet	CP-8841-K9, Cisco CP-8841 IP Phone, 5" VGA, HD Voice, EnergyWise	EAUS78101, Huawei eSpace 7810 IP Phone, IP Phone/Australia
Brand	Cisco	Cisco	Cisco	Huawei
Port Configuration	n/a	n/a	n/a	n/a
Switching Capacity	n/a	n/a	n/a	n/a
Forwarding Rate	n/a	n/a	n/a	n/a
PoE Budget	n/a	n/a	n/a	n/a
Stacking Capability	n/a	n/a	n/a	n/a

Optional Add-ons

Model Number	Description
CP-PWR-CUBE-4	Cisco external power adapter for 8800 Series IP Phones when PoE is unavailable
CP-8800-A-KEM	Cisco 8800 Series key expansion module for additional programmable line keys
JABRA-ENGAGE-65	Jabra DECT wireless headset for Cisco enterprise IP phone deployments

Quality Certifications

Specification

Cisco CP-8811-K9 Specification

Model

CP-8811-K9

Brand

Cisco

Audio codec support

G.711a-law and mu-law, G.722, G.729a, Internet Low Bitrate Codec (iLBC), and Internet Speech Audio Codec (iSAC)

Call features

+ Dialing Abbreviated dialing Adjustable ring tones and volume levels Adjustable display brightness Agent greeting Auto-answer Auto-detection of headset cBarge Busy Lamp Field (BLF) Busy Lamp Field (BLF) Pickup Busy Lamp Field (BLF) speed dial Callback Call forward Call forward notification Call filter Call history lists Call park Call pickup Call timer Call waiting Call chaperone Caller ID Corporate directory Conference, including traditional Join feature Cross Cluster Extension Mobility (EMCC) Direct transfer Extension mobility Fast-dial service Forced access codes and client matter codes Group call pickup Hold Intercom Immediate divert Malicious-caller ID Message-waiting indicator (MWI) Meet-me conference Mobility Music on hold (MoH) Mute Network profiles (automatic) On- and off-network distinctive ringing Personal directory PickUp Predialing before sending Privacy Private Line Automated Ringdown (PLAR) Redial Ring tone per line appearance Service Uniform Resource Locator (URL) Shared line Silent monitoring and recording Speed dial Time and date display Transfer Uniform Resource Identifier (URI) dialing Visual voice mail Voice mail Whisper coaching

Electronic hookswitch

You can control the hookswitch electronically with a third-party headset connected to an auxiliary port.

Quality-of-service (QoS) options

The phone supports Cisco Discovery Protocol and 802.1Q/p standards, and can be configured with an 801.1Q VLAN header containing the VLAN ID overrides configured by the Admin VLAN ID.

Network features

Session Initiation Protocol (SIP) for signaling Session Description Protocol (SDP) IPv4 and IPv6 User Datagram Protocol (UDP) (used only for Real-Time Transport Protocol [RTP] streams) Dynamic Host Configuration Protocol (DHCP) client or static configuration Gratuitous Address Resolution Protocol (GARP) Domain Name System (DNS) Trivial File Transfer Protocol (TFTP) Secure Hypertext Transfer Protocol (HTTPS) VLAN Real-Time Transport Protocol (RTP) Real-Time Control Protocol (RTCP) Cisco Peer-to-Peer Distribution Protocol (PPDP) Cisco Discovery Protocol LLDP (including LLDP-MED) Switch speed auto-negotiation

Security features

Secure boot Secure credential storage Device authentication Configuration file authentication and encryption Image authentication Random bit generation Hardware cryptographic acceleration Certificate Authority Proxy Function (CAPF) Manufacturer-Installed Certificates (MIC) Locally Significant Certificates (LSC) Ethernet 802.1x supplicant options: Extensible Authentication Protocol-Flexible Authentication via Secure Tunneling (EAP-FAST) and Extensible Authentication Protocol-Transport Layer Security (EAP-TLS) Signaling authentication and encryption using TLS Media authentication and encryption using SRTP HTTPS for client and server Secure Shell (SSH) Protocol server Secure Sockets Layer (SSL)-based VPN client

Physical dimensions (H × W × D)

9.02 x 10.13 x 1.57in. (229.1 x 257.34 x 40mm) (excluding foot stand)

Phone-casing composition

Polycarbonate acrylonitrile butadiene styrene (ABS) textured plastic; Cosmetic class A

Operational temperature

32 to 104°F (0 to 40°C)

Nonoperational temperature shock

14 to 140°F (-10 to 60°C)

Humidity

Operating 10 to 90%, noncondensing Nonoperating 10 to 95%, noncondensing

Language support

Arabic (Arabic Area) Bulgarian (Bulgaria) Catalan (Spain) Chinese (China) Chinese (Hong Kong) Chinese (Taiwan) Croatian (Croatia) Czech (Czech Republic) Danish (Denmark) Dutch (Netherlands) English (United Kingdom) Estonian (Estonia) French (France) French (Canada) Finnish (Finland) German (Germany) Greek (Greece) Hebrew (Israel) Hungarian (Hungary) Italian (Italy) Japanese (Japan) Latvian (Latvia) Lithuanian (Lithuania) Korean (Korea Republic) Norwegian (Norway) Polish (Poland) Portuguese (Portugal) Portuguese (Brazil) Romanian (Romania) Russian (Russian Federation) Spanish (Columbia) Spanish (Spain) Slovak (Slovakia) Swedish (Sweden) Serbian (Republic of Serbia) Serbian (Republic of Montenegro) Slovenian (Slovenia) Thai (Thailand) Turkish (Turkey)

Weight

2.36 kg

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Quality Certifications

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Q&A

Questions & Answers

How does the CP-8811-K9 compare to other Cisco IP Phones?

The CP-8811-K9 provides a balance of essential features and cost-effectiveness, unlike higher-end models which offer advanced features.

What common issues might I face with the CP-8811-K9?

Common issues include configuration errors and network connectivity problems which can be resolved through troubleshooting guides.

What is Cisco EnergyWise technology featured in CP-8811-K9?

Cisco EnergyWise technology helps in optimizing power consumption, reducing operating costs.

Is router-switch.com a reliable distributor?

Absolutely. As a multi-brand authorized distributor, router-switch.com is directly certified by leading technology manufacturers. We guarantee 100% genuine products, competitive pricing, and full manufacturer warranties and support.

Learn More

How to start my 8800 IP Phone?

Please learn guide here .

Do you provide tech support?

Yes, we provide free CCIE technical support & design 24×7 online professional service. We also provide other brands' technology support, such as Huawei, HPE, Dell and so on. Please feel free to contact us via e-mail or visit our website if you have tech problems.

Does it support Bluetooth?

No.

Does it support Wi-Fi?

No.

Does it provide color screen?

No. It provides Grayscale screen.

What Extra Ciso Accessory does the Cisco IP Phone 8811 support?

Cisco IP Phone 8811 supports Wall Mount Kit, Cable Lock, Footstand, Standard Cisco Headset 531 & Cisco Headset 532 and Cisco Headset 561 & 562.

What are the key features of the CP-8811-K9 Cisco IP Phone?

The CP-8811-K9 Cisco IP Phone is suitable for use in small to medium-sized businesses, branch offices, and call centers.

What is the application scenario for the CP-8811-K9 Cisco IP Phone?

To install the CP-8811-K9 Cisco IP Phone, simply connect it to your network using an Ethernet cable. It also supports Power over Ethernet (PoE) for easy deployment.

How do I install the CP-8811-K9 Cisco IP Phone?

The CP-8811-K9 Cisco IP Phone is designed to be future-proof and supports firmware upgrades to ensure that it stays up to date with the latest features and security enhancements.

Does the CP-8811-K9 Cisco IP Phone require any upgrades?

Yes, there are several alternative models available in the Cisco 8800 IP Phone series, depending on your specific needs and requirements.

Are there any alternative models to the CP-8811-K9 Cisco IP Phone?

Yes, the CP-8811-K9 Cisco IP Phone has a built-in troubleshooting feature that can help diagnose and resolve common issues. Additionally, you can consult the user manual or contact Cisco support for further assistance.

Can I troubleshoot common issues with the CP-8811-K9 Cisco IP Phone?

There are various accessories available for the CP-8811-K9 Cisco IP Phone, such as additional handsets, wall mounts, and power adapters.

What accessories are available for the CP-8811-K9 Cisco IP Phone?

The CP-8811-K9 Cisco IP Phone offers a cost-effective solution with its high-quality voice communication, EnergyWise support, and user-friendly interface. It provides a great balance of features and affordability compared to other similar IP Phones on the market.

How does the CP-8811-K9 Cisco IP Phone compare to other similar IP Phones?

The CP-8811-K9 Cisco IP Phone is known for its cost-effectiveness, offering a great value for its features and performance. It is a reliable and affordable choice for businesses of all sizes.

What is the cost-effectiveness of the CP-8811-K9 Cisco IP Phone?

Yes, the CP-8811-K9 Cisco IP Phone is designed to seamlessly integrate with other Cisco products and solutions, allowing for a unified communications environment.

Can the CP-8811-K9 Cisco IP Phone be integrated with other Cisco products?

The Cisco IP Phone 7821 features a high-resolution, backlit grayscale display, two programmable line keys, dedicated buttons for conferencing, transferring, and muting calls, and support for wideband audio for exceptional voice clarity.

How cost-effective is the Cisco IP Phone CP-8811-K9?

The Cisco IP Phone CP-8811-K9 offers high-quality voice communication and EnergyWise technology, providing significant savings on energy costs and overall operating expenses.

What are the characteristics of the Cisco IP Phone CP-8811-K9?

This IP phone features a widescreen grayscale display, high-quality voice communication, and is EnergyWise compliant for efficient energy use.

What is the application scenario for the Cisco IP Phone CP-8811-K9?

The CP-8811-K9 is ideal for enterprise environments requiring reliable, high-quality voice communication and energy efficiency.

How do I use the Cisco IP Phone CP-8811-K9?

The CP-8811-K9 is user-friendly with an intuitive interface, making it easy for users to manage calls and access features.

How do I install the Cisco IP Phone CP-8811-K9?

The CP-8811-K9 can be installed by connecting it to a PoE-enabled network switch and following the simple setup instructions.

Does the Cisco IP Phone CP-8811-K9 need to be upgraded?

Firmware updates from Cisco may be needed periodically to ensure the CP-8811-K9 operates with the latest features and performance enhancements.

Are there alternative products to the CP-8811-K9?

Cisco offers other IP phones in the 8800 series that provide similar features with different display options and advanced functionalities.

What are common troubleshooting steps for the CP-8811-K9?

Common troubleshooting includes checking network connections, ensuring the latest firmware is installed, and rebooting the device.

What accessories are available for the Cisco IP Phone CP-8811-K9?

Accessories include headsets, expansion modules, and wall mount kits to enhance the functionality of the CP-8811-K9.

How does the Cisco IP Phone CP-8811-K9 compare with other similar products?

Compared to other models, the CP-8811-K9 offers a balance of cost-effectiveness, essential features, and energy efficiency, making it a strong choice for many enterprises.

How cost-effective is the CP-8811-K9?

The CP-8811-K9 offers high-quality voice communication and EnergyWise technology, making it a cost-effective option for businesses.

What are the main features of the Cisco IP Phone CP-8811-K9?

The CP-8811-K9 features a widescreen grayscale display, high-quality voice communication, and easy usability.

In what scenarios is the CP-8811-K9 best used?

The CP-8811-K9 is ideal for business environments that require reliable and high-quality voice communication.

How do I install the CP-8811-K9?

Installation involves connecting to a network via Ethernet, configuring settings through the interface, and registering the device.

Does the CP-8811-K9 require software upgrades?

Yes, it is advisable to periodically upgrade the software to ensure optimal performance and security.

Are there alternative products to the CP-8811-K9?

Alternatives include other models in the Cisco 8800 IP Phone series which offer various additional features.

What accessories are available for the CP-8811-K9?

Available accessories include headsets, power adapters, and mounting kits to enhance functionality.

How does the CP-8811-K9 compare to other Cisco IP Phones?

The CP-8811-K9 provides a balance of essential features and cost-effectiveness, unlike higher-end models which offer advanced features.

What common issues might I face with the CP-8811-K9?

Common issues include configuration errors and network connectivity problems which can be resolved through troubleshooting guides.

What is Cisco EnergyWise technology featured in CP-8811-K9?

Cisco EnergyWise technology helps in optimizing power consumption, reducing operating costs.

Is router-switch.com a reliable distributor?

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