Cisco CP-6921-C-K9 Telephony Equipment
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Cisco CP-6921-C-K9 Unified 6921 IP Phone Power over Ethernet Refurbished

Availability: In Stock
Part Number#: CP-6921-C-K9
List Price was: $680.77
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You Save: $503.77 (74% off)


Short Description:
CP-6921-C-K9 2 Lines Power over Ethernet (PoE) RJ-45 Port SCCP and SIP Protocols Headset Unified 6921 Charcoal IP Phone | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Overview of the Cisco CP-6921-C-K9 Unified 6921 IP Phone

The Cisco Unified 6921 IP Phone CP-6921-C-K9 is a high-quality, full-featured IP phone that is designed for small to medium-sized businesses and branch offices. The 6921 IP Phone is built with high-quality components and is backed by Cisco's reputation for producing reliable IP phones. The 6921 IP phone has a color display and a user-friendly interface that makes it easy to navigate and use. It includes a variety of features, such as call hold, call transfer, call forwarding, and conference calls, which allow users to efficiently manage their calls. Additionally, the phone has a wide range of features and capabilities that make it an ideal choice for businesses that require advanced telephony features, such as voicemail and auto-attendant.

2 Lines Capability

One of the standout features of the Cisco CP-6921-C-K9 IP Phone is its ability to handle two separate lines. This dual-line capability is particularly beneficial for users who need to manage multiple calls simultaneously, making it an excellent choice for busy office environments. Whether you're coordinating with clients, participating in conference calls, or managing internal communications, the 2-line functionality ensures efficient call handling.

Power over Ethernet (PoE) Support

Power over Ethernet (PoE) is a technology that allows the transfer of electrical power, along with data, over an Ethernet cable. The CP-6921-C-K9 supports PoE, eliminating the need for a separate power source. This not only simplifies the installation process but also reduces cable clutter, contributing to a clean and organized workspace. The PoE support enhances the overall efficiency of the IP phone, ensuring uninterrupted communication.

SCCP and SIP Protocols

The Cisco CP-6921-C-K9 IP Phone supports both Skinny Client Control Protocol (SCCP) and Session Initiation Protocol (SIP). These protocols are crucial for establishing and managing communication sessions over an IP network. SCCP, Cisco's proprietary protocol, is known for its efficiency and compatibility with Cisco Unified Communications Manager. On the other hand, SIP is an open standard protocol widely used in VoIP (Voice over Internet Protocol) communications. The dual-protocol support gives users flexibility in choosing the protocol that aligns with their network infrastructure.

RJ-45 Port

Equipped with a standard RJ-45 port, the Cisco CP-6921-C-K9 ensures a secure and reliable connection to the network. The RJ-45 port is a standard interface for connecting network devices, providing a fast and stable connection for voice and data transmission. This feature contributes to the overall reliability and performance of the IP phone, making it a trusted choice for businesses with stringent communication requirements.

Headset Support

For hands-free communication, the CP-6921-C-K9 is equipped with headset compatibility. This feature is particularly valuable for users who need to multitask or those who prefer a hands-free option for extended phone conversations. The phone's design accommodates a range of headsets, offering users the freedom to choose the model that suits their preferences and work requirements.

Unified 6921 Charcoal IP Phone

The aesthetic design of the CP-6921-C-K9 is captured in its Unified 6921 Charcoal model. This sleek and modern design not only adds a professional touch to any office environment but also aligns with the overall Cisco Unified Communications ecosystem. The Charcoal color scheme complements contemporary office aesthetics, making the CP-6921-C-K9 a visually appealing addition to the workplace.

Benefits of the Cisco CP-6921-C-K9 2 Lines Charcoal IP PhoneEnhanced Productivity

The 2-line capability of the CP-6921-C-K9 directly contributes to enhanced productivity. Users can seamlessly manage two calls without the need for additional devices or complicated setups. This is particularly advantageous in fast-paced business environments where efficient communication is crucial.

Reliable Connectivity

The inclusion of an RJ-45 port ensures reliable connectivity between the CP-6921-C-K9 and the network. Users can expect stable and consistent communication without the risk of signal disruptions or dropped calls. The RJ-45 port's standardization also contributes to compatibility with various network configurations.

Protocol Flexibility

Support for both SCCP and SIP protocols provides users with flexibility in choosing the communication protocol that aligns with their specific environment. Whether integrated into a Cisco Unified Communications system or interoperating with other SIP-compatible platforms, the CP-6921-C-K9 adapts to diverse communication infrastructures.

Hands-Free Convenience

Headset compatibility offers users the convenience of hands-free communication. This feature is particularly valuable for individuals who need to multitask or engage in extended phone conversations. By supporting a range of headsets, the CP-6921-C-K9 accommodates different user preferences and requirements.

Professional Aesthetics

The Unified 6921 Charcoal design of the CP-6921-C-K9 adds a professional and modern aesthetic to the workplace. This visually appealing IP phone complements contemporary office environments, contributing to an overall cohesive and sophisticated look.

Security FeaturesSecure Communication

Security is a top priority in any communication system, and the Cisco CP-6921-C-K9 incorporates features to ensure the confidentiality and integrity of communication. The phone supports secure communication protocols, encrypting voice and data transmissions to prevent unauthorized access and eavesdropping. This is especially crucial for businesses that handle sensitive information.

Access Control

To further enhance security, the IP phone includes access control features that allow administrators to define user privileges and restrict unauthorized access. This ensures that only authorized personnel can configure and modify the phone's settings, adding a layer of protection to the communication system.

Exceptional Reliability

The Cisco Unified 6921 IP Phone (CP-6921-C-K9) is a reliable and durable device that is designed for small to medium-sized businesses and branch offices. It has been tested and proven to operate consistently in various environments and under different conditions. The phone is built with high-quality components and is backed by Cisco's reputation for producing reliable communication equipment.

The product phone has a wide range of features and capabilities that make it an ideal choice for businesses that require a high level of connectivity and functionality. It includes advanced call-handling features, such as call hold, transfer, and conference, as well as a built-in speakerphone and headset support. Additionally, the phone has a large LCD that provides easy access to all information and phone settings.

The phone also features a user-friendly interface that allows users to easily navigate and control the device. Additionally, it has a wide range of customization options that allow businesses to tailor the phone to their specific needs and preferences.

Main Information about this Cisco CP-6921-C-K9 IP Phone
  • Manufacturer: Cisco
  • Part Number or SKU# CP-6921-C-K9
  • Product Line: Unified
  • Product Series: 6900
  • Product Type: IP Phone
Technical Information for Unified IP Phone
  • IP Phone Technology: VoIP
  • Total Number of Phone Lines: 2
  • G.711: Standard voice codec.
  • G.711a: A variant of G.711 with some specific features.
  • G.729a: Another codec option for voice compression.
  • G.729b: Similar to G.729a but with some differences.
  • G.729ab: Combines features of both G.729a and G.729b.
Interfaces/Ports of Cisco IP Phone
  • Headset Port: Yes
  • PoE (RJ-45) Port: Yes

Management and Protocols of Charcoal Standard Handset

  • Communication Protocols: SCCP

Display & Graphics

  • Display Color: Monochrome

In summary, the Cisco CP-6921-C-K9 IP Phone stands out as a reliable and feature-rich communication device designed to meet the diverse needs of today's interconnected world. From its 2-line capability and Power over Ethernet support to its compatibility with SCCP and SIP protocols, RJ-45 port, and seamless headset integration, this IP phone offers a comprehensive solution for businesses and individuals seeking a robust communication tool.

Whether deployed in business environments, healthcare settings, educational institutions, or other scenarios, the Cisco CP-6921-C-K9 excels in providing secure and efficient communication. Its user-friendly interface, security features, and compatibility with Cisco Unified Communications Manager contribute to a seamless communication experience, making it a valuable asset in the ever-evolving landscape of modern technology.

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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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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