Cisco ATA191-K9 2-Ports IP Phone
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Cisco ATA191-K9 2 Ports Analog Telephone Adapter Factory New

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Part Number#: ATA191-K9
List Price was: $838.46
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Short Description:
ATA191-K9 2 Ports Analog Telephone Adapter Fast Ethernet 10/100Base-T VoIP Gateway | Made by Cisco | New Factory Sealed
Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco ATA191-K9

In today's dynamic and interconnected business landscape, effective communication is crucial for success. With the advent of modern technology, businesses are constantly seeking reliable and versatile solutions to streamline their communication systems. One such solution that stands out in the realm of telecommunication is the Cisco ATA191-K9, a 2 2-ports Analog Telephone Adapter. In this comprehensive guide, we will delve into the intricacies of the Cisco ATA191-K9, exploring its features, benefits, and how it can revolutionize analog telephone connectivity for businesses of all sizes.

Understanding Analog Telephone Adapters (ATAs)

Before we delve into the specifics of the Cisco ATA191-K9, it's essential to grasp the concept of Analog Telephone Adapters. ATAs serve as the bridge between traditional analog telephones and Voice over Internet Protocol (VoIP) networks. They convert analog signals from conventional telephones into digital signals compatible with IP networks, enabling seamless communication over the Internet.

Cisco ATA191-K9 Overview

The Cisco ATA191-K9 is a cutting-edge 2 2-ports analog Telephone Adapter designed to empower businesses with enhanced telecommunication capabilities. Developed by Cisco, a global leader in networking solutions, this ATA brings together reliability, flexibility, and advanced features to meet the diverse needs of modern communication environments.

Dual Port Functionality

One of the standout features of the Cisco ATA191-K9 is its dual port capability. This allows businesses to connect two analog devices simultaneously, optimizing the use of the adapter and catering to multiple communication needs within the organization. Whether it's connecting two telephones or a combination of phone and fax machines, the dual ports provide versatility and scalability.

High-Quality Voice

Ensuring crystal-clear voice quality is paramount in any communication system. The Cisco ATA191-K9 excels in this aspect, delivering high-quality voice signals that match or even exceed traditional telephone systems. This is achieved through advanced audio processing capabilities, making conversations over VoIP networks indistinguishable from traditional landline calls.

Secure Communication

Security is a top priority in the digital age, especially when it comes to transmitting sensitive information over networks. The Cisco ATA191-K9 incorporates robust security protocols, including encryption and authentication measures, to safeguard communication channels. This ensures that businesses can rely on the ATA for secure and confidential conversations.

Seamless Integration with Existing Infrastructure

Adopting new technology should not disrupt existing workflows. The Cisco ATA191-K9 is designed for seamless integration with various telephony infrastructures, making it easy for businesses to transition to VoIP without the need for a complete overhaul of their communication systems. Compatibility with Session Initiation Protocol (SIP) and other industry standards ensures interoperability with a wide range of devices and platforms.


Traditional phone systems often incur high costs related to maintenance, hardware upgrades, and long-distance charges. The Cisco ATA191-K9 helps businesses cut down on these expenses by leveraging existing analog devices and integrating them into a cost-effective VoIP infrastructure. This cost-efficiency is particularly beneficial for small and medium-sized enterprises looking to optimize their communication budget.

Flexibility and Scalability

Businesses evolve, and so should their communication systems. The Cisco ATA191-K9 provides the flexibility to scale operations without the constraints of traditional telephony. Whether expanding the workforce or diversifying communication devices, the dual ports and compatibility with various telephony standards make it easy to adapt the system to changing business needs.

Remote Communication

In an era where remote work is becoming increasingly prevalent, the Cisco ATA191-K9 facilitates smooth communication for employees working from different locations. The adapter's compatibility with VoIP technology allows remote workers to connect seamlessly to the corporate communication network, ensuring that they remain integrated into the organization's communication infrastructure.

Improved Productivity

Efficient communication is a cornerstone of productivity. By upgrading to the Cisco ATA191-K9, businesses can experience improved communication reliability and clarity. This, in turn, enhances collaboration among team members, reduces communication bottlenecks, and contributes to overall productivity gains.

More Information

The ATA191-K9 Cisco 2 Ports Analog Telephone Adapter (ATA) is a device that allows for the integration of analog telephone devices into a Voice over Internet Protocol (VoIP) network. It offers several key features and benefits, including:

  • Two FXS ports: The product has two Foreign Exchange Station (FXS) ports, which allow for the connection of two analog telephone devices, such as telephones or fax machines.
  • Voice over IP (VoIP) support: The part supports VoIP, which allows for the transmission of voice calls over an IP network, such as the Internet, rather than traditional telephone lines.
  • Voice compression and echo cancellation: The part supports voice compression and echo cancellation, which helps to improve the quality of voice calls and reduce the amount of bandwidth required for the calls.
  • Remote management: The product can be managed remotely, which allows for easy monitoring and control of the device.
  • Security: The product supports advanced security features such as SRTP, TLS, and AES-256, which help to protect the VoIP network from unauthorized access and attacks.
  • Flexible deployment: The part can be deployed in a variety of different environments, such as small and medium-sized businesses, and can be managed centrally with Cisco's Unified Communications Manager (UCM).
High Performance

The ATA191-K9 Cisco 2 Ports Analog Telephone Adapter (ATA) is a high-performance device designed to provide a reliable and cost-effective solution for connecting analog telephones and fax machines to IP-based networks. It offers several key features and benefits that contribute to its performance:

  • Voice over IP (VoIP) support: The ATA supports VoIP, which allows for high-quality voice communication over IP networks.
  • Dual-port design: The ATA has two ports, which allows for connecting two analog devices to the network at the same time.
  • Support for various codecs: The ATA supports a wide range of codecs, including G.711, G.723, G.729, and others, which allows for flexible voice quality and bandwidth optimization.
  • Echo cancellation: The ATA supports echo cancellation, which helps to eliminate echo and improve the overall audio quality.
  • Automatic Gain Control (AGC): The ATA supports AGC, which helps to adjust the input volume of the connected analog device to the optimal level.
  • Remote management: The ATA can be managed remotely, which allows for easy monitoring and configuration.
Exceptional Reliability

The ATA191-K9 Cisco 2-Port Analog Telephone Adapter (ATA) is a reliable and high-performance device that is designed to provide a cost-effective solution for connecting analog telephones to a Voice over IP (VoIP) network. It offers several key features and benefits that contribute to its reliability:

  • Compatibility: The ATA 191-K9 is compatible with a wide range of Cisco devices, including routers and gateways, which allows for easy integration into existing VoIP networks.
  • High-quality voice: The ATA 191-K9 supports high-quality voice codecs, such as G.711, G.729, and G.722.1, which ensures that the voice quality is clear and consistent.
  • Error-free transmission: The ATA 191-K9 supports advanced error-correction techniques, which helps to ensure that the voice is transmitted error-free.
  • Flexible deployment: The ATA 191-K9 can be deployed in a variety of different environments and can be managed centrally with Cisco's Call Manager.
  • Support for multiple languages: The ATA 191-K9 supports multiple languages, which allows it to be used in different regions of the world.
  • Quality of Service (QoS): The ATA 191-K9 supports QoS, which allows for prioritization of different types of traffic, such as voice and video, to ensure a high-quality user experience.
General Information about this Cisco ATA191-K9
  • Manufacturer: Cisco
  • Part Number or SKU# ATA191-K9
  • Product Model: ATA 191
  • Product Type: VoIP Gateway Telephone Adapter
Interfaces/Ports for 2-Port VoIP Gateway
  • Number of FXS (RJ-11) Ports: 2 Ip Phone
  • PoE (RJ-45) Port: No
  • USB: No
  • Management Port: No
  • Number of Network (RJ-45) Ports: 1
I/O Expansions of Analog Telephone Adapter
  • SIM Card Supported: No

Network & Communication

  • Ethernet Technology Fast Ethernet
  • Network Standard 10/100Base-T
  • Wireless Specifications
  • Wireless LAN No

Power Description

  • Redundant Power Supply Supported: No

Finally, the Cisco ATA191-K9 Analog Telephone Adapter serves as a bridge between the legacy world of analog telephony and the future of IP-based communication. Its features, setup process, and potential applications make it a valuable tool for businesses and individuals seeking a smooth transition to modern communication infrastructures. By understanding its capabilities and implementation best practices, users can unlock the full potential of this versatile device.

Product Condition:
New Retail Factory Sealed
Warranty provided by ALLHDD.COM:
90 Days

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