Cisco CP-7940G 2 Lines IP Phone
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Cisco CP-7940G 2 Lines IP Phone Unified 7940G Series LCD Refurbished

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Part Number#: CP-7940G
List Price was: $780.77
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Short Description:
CP-7940G 2 Lines Codec G.711/G.729a 1X RJ-45 Port 802.1Q LCD Screen VLAN Supported SIP MGCP SCCP Protocols Unified 7940G Series Telephony IP Phone | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco CP-7940G 2 Lines IP Phone

The Cisco CP-7940G is a powerful IP phone designed for professional communication in various business environments. Packed with advanced features and support for multiple protocols, this device is a versatile solution for unified communication needs. It is 2 lines engineered to meet the communication needs of businesses, offering advanced features that contribute to efficient and seamless interactions.

Design and Build

The Cisco CP-7940G is designed with a focus on functionality and user convenience. Its ergonomic design ensures a comfortable user experience, with an LCD screen prominently featured for clear and intuitive navigation. The device is equipped with 2 lines, allowing users to manage multiple calls simultaneously, enhancing productivity in a business setting.

Network Connectivity - RJ-45 Port

The Cisco CP-7940G is equipped with a single RJ-45 port, facilitating seamless connectivity to Ethernet networks. This enables the IP phone to integrate seamlessly into the existing infrastructure of an organization. Moreover, the support for 802.1Q VLAN (Virtual Local Area Network) enhances network efficiency by segmenting traffic and ensuring prioritized communication. Equipped with a single RJ-45 port, the Cisco CP-7940G seamlessly connects to your network infrastructure. This feature simplifies installation and facilitates quick integration into your existing office network.

Unified 7940G Series Telephony

The Cisco CP-7940G is part of the Unified 7940G Series Telephony, a family of IP phones that share a common platform and feature set. This unified approach streamlines management and maintenance, making it easier for organizations to deploy and support a consistent communication infrastructure.

IP Telephony Advantages

The transition to IP telephony brings several advantages to organizations. The Cisco CP-7940G, as part of the Unified 7940G Series Telephony, leverages IP networks for voice communication, resulting in cost savings, enhanced flexibility, and improved scalability compared to traditional telephony systems.

Scalability and Flexibility

The scalability of the Unified 7940G Series Telephony allows organizations to adapt their communication infrastructure to growing needs seamlessly. Whether a business is expanding its operations or undergoing changes in communication requirements, the Cisco CP-7940G can scale accordingly.

Centralized Management

Centralized management is a hallmark of the Unified 7940G Series Telephony. Through centralized administration interfaces, IT administrators can efficiently configure, monitor, and the entire IP telephony system. This centralized approach simplifies maintenance and reduces the complexity of managing individual devices.

Key Features of 7940G Series IP Phone

Dual-Line Capability

The CP-7940G supports two lines, allowing users to handle multiple calls simultaneously. This feature enhances productivity by eliminating the need for multiple physical phones. The Cisco CP-7940G boasts the capability to handle two lines simultaneously. This feature is particularly useful in busy office environments where users need to manage multiple calls without the hassle of switching devices.

Codec Support G.711/G.729a

The inclusion of G.711 and G.729a codecs ensures high-quality audio during voice calls. These industry-standard codecs contribute to crystal-clear voice communication, crucial for professional environments. The IP phone supports two widely used codecs, G.711 and G.729a. These codecs are essential for voice compression and decompression, ensuring high-quality audio during calls. G.711 provides uncompressed voice data, while G.729a compresses voice data for efficient transmission, making the CP-7940G versatile in various network environments.

RJ-45 Port

The presence of a single RJ-45 port facilitates seamless connectivity to the network. This Ethernet port enables the IP phone to communicate with other devices, ensuring a smooth and reliable connection.

802.1Q VLAN Support

The CP-7940G is equipped with 802.1Q VLAN support, allowing for efficient network segmentation. This feature enhances network security and performance by isolating traffic and ensuring data integrity.

LCD Screen

The IP phone features an LCD screen that provides a user-friendly interface for easy navigation and call management. The display enhances the user experience by providing clear information about incoming calls, voicemail, and other essential details.

Protocols Supported

The CP-7940G supports various communication protocols, making it versatile and compatible with different telephony systems. The key protocols include:

Session Initiation Protocol (SIP)

SIP is a widely used protocol for initiating, maintaining, modifying, and terminating real-time sessions. The CP-7940G's SIP support ensures interoperability with a broad range of VoIP systems and services. SIP is a widely used communication protocol for controlling multimedia communication sessions. The Cisco CP-7940G supports SIP, enabling seamless integration with SIP-based VoIP services and systems. This protocol ensures interoperability with various platforms, offering flexibility in communication solutions.

Media Gateway Control Protocol (MGCP)

MGCP is a signaling and control protocol used in Voice over Internet Protocol (VoIP) systems. The CP-7940G's MGCP support facilitates seamless integration with VoIP networks, enhancing its functionality. MGCP is another protocol supported by the Cisco CP-7940G. It facilitates the communication between IP phones and call control devices, ensuring efficient call setup and teardown processes. The use of MGCP enhances the reliability and performance of the IP phone within a VoIP network.

Skinny Client Control Protocol (SCCP)

Also known as Cisco's proprietary protocol, SCCP is used for communication between Cisco IP phones and Cisco CallManager. The CP-7940G's SCCP support ensures optimal performance within Cisco Unified Communications environments. This protocol is designed to work seamlessly with Cisco Unified Communications Manager (CUCM) for centralized call control. SCCP ensures tight integration with Cisco's unified communications ecosystem, providing a cohesive communication experience.


The Cisco Unified 7940G Series IP Phone (CP-7940G) is considered to be a reliable and robust IP phone. It is designed for use in enterprise environments and offers a variety of features and functionality.

The product is built with high-quality materials and is designed to withstand the rigors of everyday use in a business environment. It is also designed to operate over a wide temperature range, making it suitable for use in a variety of environments.

Additionally, the model is equipped with advanced security features, including support for Advanced Encryption Standard (AES) and Secure Real-time Transport Protocol (SRTP), to ensure that communications are secure and private.

Cisco, the manufacturer of products, is known for its reliable and high-quality products. They have a good reputation for providing support and maintaining their products throughout their lifecycle.

General Information about this Cisco CP-7940G IP Phone

  • Manufacturer: Cisco
  • Part Number or SKU# CP-7940G
  • Product Type: IP Phone

Technical Information of 7940G Series IP Phone

  • IP Phone Technology: VoIP
  • Total Number of Phone Lines: 2
  • Number of Programmable Phone Lines: 2
  • Voice Codec: G.711
  • Voice Codec: G.729a

Interfaces/Ports for IP Phone

  • Network (RJ-45): Yes
  • Number of Network (RJ-45) Ports: 1

Management and Protocols

  • Communication Protocols: SIP
  • Communication Protocols: MGCP
  • Communication Protocols: SCCP

Display & Graphics

  • Screen Type: LCD

Compliant Standards

  • VCCI Class B ITE, CISPR 22 Class B, EN 61000-3-2, EN 61000-3-3, EN55024, UL 60950, EN50082-1, CSA 22.2 No. 60950, EN55022 Class B, ICES-003 Class B
Power Description
  • Power Source: AC Adapter

Finally, the Cisco CP-7940G IP Phone is a feature-rich and versatile communication solution suitable for businesses of all sizes. With its dual-line capability, support for industry-standard codecs, and compatibility with various protocols, this IP phone offers a reliable platform for modern voice communication needs. The inclusion of VLAN support, an LCD screen, and seamless integration with Cisco Unified Communications platforms further enhance its appeal.

For businesses seeking a dependable and scalable IP phone solution, the Cisco CP-7940G stands out as a reliable choice, delivering advanced features and robust performance in the realm of unified communication. Whether deployed as part of a Cisco Unified Communications system or integrated into an existing VoIP infrastructure, the CP-7940G excels in providing a seamless and efficient communication experience.

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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