Cisco CP-7811-3PCC-K9 2 Ports Corded IP Phone
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Cisco CP-7811-3PCC-K9 2 Ports Corded IP Phone 7811 With MPP Refurbished

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Part Number#: CP-7811-3PCC-K9
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Short Description:
CP-7811-3PCC-K9 1 Line 2 Ports PoE Liquid Crystal Display (LCD) Corded Desktop / Wall Mountable VoIP IP Phone 7811 Multiple Voip Protocol Support with Speakerphone Multiplatform Phone Firmware | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Overview of the Cisco CP-7811-3PCC-K9 2 Ports Corded IP Phone

The CP-7811-3PCC-K9 is a versatile and feature-rich VoIP IP phone designed for seamless communication in both office and home environments. Packed with advanced functionalities, this corded desktop/wall-mountable device boasts a Liquid Crystal Display (LCD), support for Power over Ethernet (PoE), and accommodates multiple VoIP protocols. In this detailed explanation, we will explore the key features and benefits of the CP-7811-3PCC-K9, including its design, display, connectivity options, and multiplatform firmware support.

Design and Build of Wall Mountable VoIP IP Phone

The CP-7811-3PCC-K9 is intelligently crafted to meet the demands of modern communication needs. Its ergonomic design ensures comfort during prolonged use, whether placed on a desktop or mounted on a wall. The corded setup guarantees a stable connection, minimizing signal interference and ensuring uninterrupted conversations. The device is built with durability in mind, offering a robust solution for both professional and personal use.

Liquid Crystal Display (LCD)

One standout feature of the CP-7811-3PCC-K9 is its Liquid Crystal Display (LCD). The inclusion of an LCD enhances the user experience by providing a clear and vibrant visual interface. The display serves as a hub for various functionalities, allowing users to navigate through options, view call details, and access essential information at a glance. This feature not only contributes to the phone's aesthetic appeal but also plays a crucial role in improving user efficiency.

Power over Ethernet (PoE) Support

Efficiency is a top priority, and the CP-7811-3PCC-K9 addresses this with Power over Ethernet (PoE) support. This feature eliminates the need for separate power cables, streamlining the installation process and reducing cable clutter. By leveraging PoE, the phone can draw power and transmit data over a single Ethernet cable, simplifying connectivity and ensuring a tidy workspace. This makes the CP-7811-3PCC-K9 an ideal choice for businesses looking to optimize their infrastructure.

Corded Desktop/Wall Mountable

The CP-7811-3PCC-K9 offers flexibility in terms of placement. Whether you prefer a traditional desktop setup or a space-saving wall-mounted installation, this device caters to your needs. The corded design ensures a secure and stable connection, while the option to mount it on the wall opens up possibilities for optimizing workspace layout. This adaptability makes the CP-7811-3PCC-K9 a versatile solution for various environments.

VoIP IP Phone 7811: Overview of VoIP Technology

At the heart of the CP-7811-3PCC-K9 is its VoIP (Voice over Internet Protocol) capability. This technology transforms voice signals into digital data, facilitating voice communication over the internet. The VoIP IP Phone 7811 supports this technology, enabling users to make calls through the internet rather than traditional telephone lines. This not only reduces communication costs but also opens up a host of features and functionalities that enhance the overall calling experience.

Multiple VoIP Protocol Support

A distinguishing feature of the CP-7811-3PCC-K9 is its support for multiple VoIP protocols. This flexibility ensures compatibility with various VoIP platforms and systems, making it an adaptable choice for different communication setups. Whether your organization uses SIP (Session Initiation Protocol), H.323, or other VoIP protocols, the CP-7811-3PCC-K9 can seamlessly integrate into your existing infrastructure, providing a hassle-free communication experience.

Speakerphone Functionality

Enhancing its usability, the CP-7811-3PCC-K9 is equipped with a speakerphone. This feature promotes hands-free communication, allowing users to engage in conversations without the need to hold the handset. Whether participating in a conference call, collaborating with colleagues, or multitasking during a conversation, the speakerphone functionality adds convenience to daily communication tasks.

Multiplatform Phone Firmware

Adapting to the diverse technological landscape, the CP-7811-3PCC-K9 comes with multiplatform phone firmware support. This means that the phone is not bound to a specific vendor or platform, providing users with the flexibility to choose the system that best suits their needs. The multiplatform compatibility ensures seamless integration into various communication ecosystems, making it an excellent choice for organizations with diverse infrastructure requirements.

Features and Benefits of IP Phone


  • PoE (Power over Ethernet) Support: The CP-7811-3PCC-K9 IP phone is compatible with Power over Ethernet (PoE) technology, which means it can receive power and data over a single Ethernet cable, eliminating the need for a separate power supply.
  • Wideband Audio: This IP phone supports high-quality, wideband audio that makes conversations clear and natural, even in noisy environments.
  • Three-Line Display: The 3.28-inch (83mm) LCD display on this phone provides a clear and easy-to-read interface, with three lines of information.
  • Dual-Port Ethernet Switch: This phone comes equipped with a dual-port Ethernet switch, which allows for easy integration into your existing network.
  • MPP Firmware: The phone is loaded with Cisco's Multiplatform Phone (MPP) firmware, which makes it compatible with a wide range of unified communications platforms.


  • Easy to Use: The CP-7811-3PCC-K9 is easy to use and navigate, with intuitive buttons and menus.
  • Cost-Effective: This IP phone is an affordable option for businesses that want high-quality features without breaking the bank.
  • Clear Communication: The wideband audio and three-line display make communication clear and efficient, reducing the chance of miscommunication.
  • Flexible Compatibility: The MPP firmware allows this phone to work with a wide range of unified communications platforms, providing businesses with more flexibility in choosing their communication tools.
  • Simple Installation: The PoE support and dual-port Ethernet switch make installation and deployment of this IP phone quick and easy.
Security and Encryption

The CP-7811-3PCC-K9 Cisco IP Phone 7811 with MPP (Multi-Platform Phone) firmware offers a range of security and encryption features to protect sensitive data and ensure secure communication. Some of the key security and encryption features of this IP phone are:

  • Transport Layer Security (TLS) - This is a protocol that provides secure communication over the internet by encrypting data between two endpoints. The CP-7811-3PCC-K9 Cisco IP Phone 7811 supports TLS for secure signaling and media encryption.
  • Secure Real-Time Transport Protocol (SRTP) - This is a protocol used for secure voice communication. The CP-7811-3PCC-K9 Cisco IP Phone 7811 supports SRTP to ensure secure voice communication between two endpoints.
  • Secure Boot and Firmware - The CP-7811-3PCC-K9 Cisco IP Phone 7811 supports secure boot and firmware features to ensure that only authorized firmware is installed on the phone. This prevents unauthorized access to the phone and ensures that the phone is not vulnerable to security threats.
  • Authentication and Authorization - The CP-7811-3PCC-K9 Cisco IP Phone 7811 supports authentication and authorization features to ensure that only authorized users can access the phone. This prevents unauthorized access to the phone and ensures that the phone is not vulnerable to security threats.
  • VPN Support - The CP-7811-3PCC-K9 Cisco IP Phone 7811 supports VPN (Virtual Private Network) connectivity to ensure secure communication over the internet. VPN is a technology that provides secure communication by encrypting data between two endpoints.
Applications of CP-7811-3PCC-K9 VoIP IP Phone

The CP-7811-3PCC-K9 VoIP IP Phone finds applications in various settings, including:

  • Office Environments: It serves as an essential communication tool in office environments, facilitating internal and external calls, conference calls, and collaboration among team members.
  • Businesses: Businesses of all sizes can benefit from the CP-7811-3PCC-K9 VoIP IP Phone for managing customer inquiries, conducting sales calls, and coordinating with remote teams.
  • Remote Work: With its multiplatform firmware support and PoE capability, the phone is ideal for remote work setups, enabling employees to stay connected from any location with internet access.
  • Call Centers: Call centers can leverage the features of the CP-7811-3PCC-K9 VoIP IP Phone for handling large volumes of incoming and outgoing calls efficiently.
  • Educational Institutions: Educational institutions can use this VoIP phone for conducting virtual classes, staff meetings, and administrative communications.
  • Healthcare Facilities: In healthcare settings, the CP-7811-3PCC-K9 VoIP IP Phone can be used for patient consultations, interdepartmental communication, and appointment scheduling.
Key Information about the Cisco CP-7811-3PCC-K9 Corded VoIP Phone
  • Manufacturer: Cisco
  • Model Number or SKU# CP-7811-3PCC-K9
  • Product Series 7800
  • Product Model: 7811
  • Product Name: IP Phone 7811
  • Product Type: IP Phone
Technical Information for IP Phone 7811
  • IP Phone Technology: VoIP
  • Base Unit Connectivity Technology: Corded
  • Total Number of Phone Lines: 1
  • VoIP Protocols: SIP, Srtp
  • Voice Codecs : G.722, G.729a, G.711u, G.711a, Ilbc
  • Multiple Voip Protocol Support, Integrated Ethernet Switch
  • Caller ID: Yes
  • Speakerphone: Yes
Interfaces/Ports of VoIP Phone
  • Network (RJ-45): Yes
  • Number of Network (RJ-45) Ports: 2
  • PoE (RJ-45) Port: Yes
  • Display: LC-Display - Monochrome
  • Product Color: Charcoal
  • Form Factor: Wall Mountable
  • Form Factor: Desktop

Outline, the CP-7811-3PCC-K9 VoIP IP Phone offers a range of features and specifications that make it a versatile communication solution for various settings. From office environments to remote work setups, its compatibility with multiple VoIP protocols and flexible mounting options make it an ideal choice for modern communication needs. Whether for business use or personal use, this VoIP phone provides reliable performance and convenience in voice communication.

With its simple interface, clear LCD, and hands-free functionality, the CP-7811-3PCC-K9 VoIP IP Phone enhances productivity and collaboration while ensuring ease of use for users of all levels. Consider incorporating this device into your communication setup to experience seamless and efficient voice communication over the Internet.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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