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by Cisco
Product Line: Cisco CTS-SX20CODEC
Product Type: Video conferencing codec
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Original price $0.00 - Original price $227.00
Original price
$0.00 - $227.00
Current price $0.00
Title: Surplus

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Product Description

The CTS-SX20CODEC by Cisco offers video resolution options of 1080p2.5, 1080p4xS2, and 1080p12x, accommodating various bandwidth requirements from 720p30 at 768 kbps to 1080p60 at 2560 kbps. It supports comprehensive video standards including H.263, H.263+, H.264, and features dual stream capabilities for both H.239 (H.323) and BFCP (SIP), with support for resolutions up to 1080p (1920 x 1080). Additionally, this codec facilitates seamless firewall traversal using Cisco TelePresence Expressway Technology and standards H.460.18, H.460.19, ensuring secure and efficient communication across networks.

Key Feature for the CTS-SX20CODEC

  • What components are included with the 1080p2.5 model for remote operation and connectivity?
    • The 1080p2.5 model includes a remote control, cables, and a power supply for operation and connectivity.
  • How does the Cisco TelePresence Expressway Technology facilitate firewall traversal?
    • Cisco TelePresence Expressway Technology, along with H.460.18 and H.460.19 standards, enables efficient firewall traversal for seamless video communication.
  • Can I expand the audio capabilities of my 1080p4xS2 unit?
    • Yes, you can expand the audio capabilities of the 1080p4xS2 unit by adding an additional microphone.
  • What is the minimum bandwidth requirement for 720p30 and 720p60 resolutions?
    • For 720p30, a minimum of 768 kbps is required, and for 720p60, at least 1152 kbps is necessary.
  • Does the 1080p12x support optional components for enhanced usability?
    • Yes, the 1080p12x supports optional components such as the Cisco TelePresence Touch 8, wall mount kit, and additional microphone for enhanced usability.
  • What video standards are supported by these networking hardware models?
    • The models support H.263, H.263+, and H.264 video standards for diverse video communication needs.
  • What are the video input options available for the 1080p2.5?
    • The 1080p2.5 offers two video inputs: one HDMI and one DVI-I (Analog and Digital), supporting various resolutions from 640x480 to 1280x1024.
  • What audio features are included to ensure optimal sound quality?
    • Audio features include CD-quality 20 KHz mono, two acoustic echo cancellers, Automatic Gain Control (AGC), automatic noise reduction, and active lip synchronization for optimal sound quality.
  • Can the 1080p4xS2 facilitate high-definition content sharing during calls?
    • Yes, the 1080p4xS2 can facilitate high-definition content sharing during calls through H.239 (H.323) and BFCP (SIP) dual stream capabilities, supporting resolutions up to 1080p.
  • What is the minimum bandwidth requirement for achieving 1080p60 resolution?
    • A minimum bandwidth of 2560 kbps is required to achieve 1080p60 resolution.

Product Review

The Cisco CTS-SX20CODEC offers flexible video resolution options, supporting up to 1080p60, which ensures high-quality video conferencing experiences across various bandwidth conditions, from 768 kbps for 720p30 to 2560 kbps for 1080p60. However, its reliance on external components for full functionality, such as the Cisco TelePresence Touch 8 and additional microphones, can increase the total cost and complexity of setup for users. The device excels in connectivity and interoperability, featuring dual video inputs and outputs, comprehensive audio features, and robust firewall traversal capabilities through Cisco TelePresence Expressway Technology, making it suitable for diverse network environments.


The Cisco CTS-SX20CODEC is a comprehensive video conferencing system designed to deliver high-quality, high-definition (HD) video and audio communications. This system is engineered to support various business communication needs, from small meetings to large collaborative sessions, offering flexibility through its range of camera options which include 1080p2.5, 1080p4xS2, and 1080p12x, ensuring that users can select the appropriate configuration for their specific requirements. Key hardware specifications of the Cisco CTS-SX20CODEC include: - Video Input Options: The system features two video inputs, accommodating one HDMI and one DVI-I (Analog and Digital) connection. Supported formats span from 640x480 up to 1280x1024, ensuring compatibility with a wide range of video sources. - Audio Capabilities: Equipped with four audio inputs, including two microphones on a 4-pin minijack, one minijack for line-in (stereo), and one audio input from the camera (HDMI), the system delivers CD-quality 20 KHz mono sound. It also features two acoustic echo cancellers, Automatic Gain Control (AGC), automatic noise reduction, and active lip synchronization for clear and intelligible audio communication. - Audio Outputs: For audio output, the system provides one minijack for line out (stereo) and one HDMI output for digital main audio, facilitating versatile audio setups and distribution. Additionally, the Cisco CTS-SX20CODEC supports dual stream technology, both H.239 (H.323) and BFCP (SIP), allowing for the simultaneous transmission of two streams up to 1080p (1920 x 1080) resolution. This capability is essential for sharing presentations or other content in addition to the primary video feed. Networking and connectivity are enhanced with bandwidth adaptability, supporting H.323 and SIP up to 6 Mbps, with minimum bandwidth requirements varying based on resolution and frame rate; for example, 720p30 from 768 kbps and 1080p60 from 2560 kbps. The system also includes advanced firewall traversal through Cisco TelePresence Expressway Technology and supports H.460.18 and H.460.19 standards, ensuring secure and seamless communication across different network configurations. Video standards supported by the system include H.263, H.263+, and H.264, with native 16:9 widescreen format. Video features are designed to optimize the user experience with advanced screen layouts, intelligent video management, and local auto-layout capabilities. Optional components further enhance the system's versatility: - Cisco TelePresence Touch 8 for intuitive control. - A wall mount kit for convenient installation. - An additional microphone to accommodate larger meeting environments. Included with the system are essential accessories such as a remote control, cables, and a power supply, ensuring users have everything needed for setup and operation. The Cisco CTS-SX20CODEC stands out as a flexible, high-performance solution for video conferencing, designed to meet the diverse needs of modern businesses seeking reliable and high-quality communication tools.


Item Number and ManufacturerCisco CTS-SX20CODEC
Resolution Options1080p2.5, 1080p4xS2, 1080p12x
Included AccessoriesRemote control, cables, power adapter
Additional OptionsCisco TelePresence Touch 8
Additional OptionsMounting kit for wall installation
Additional OptionsExtra microphone
Maximum BandwidthUp to 6 Mbps for H.323 and SIP protocols
Required Bandwidth for 720p30Minimum of 768 kbps
Required Bandwidth for 720p60Minimum of 1152 kbps
Required Bandwidth for 1080p30Minimum of 1472 kbps
Required Bandwidth for 1080p60Minimum of 2560 kbps
Firewall NavigationUtilizes Cisco TelePresence Expressway
Firewall NavigationSupports H.460.18, H.460.19 protocols
Supported Video StandardsH.263, H.263+, H.264
Aspect RatioNative widescreen 16:9 format
Video Enhancement FeaturesMultiple screen layouts, Smart video routing, Automated screen configuration
Video Input PortsHDMI and DVI-I (Analog and Digital) supporting multiple resolutions
Audio Enhancement FeaturesHigh-definition mono audio, Dual echo cancellation, Volume normalization, Noise suppression, Lip-sync correction
Audio Input PortsTwo microphone inputs, stereo line-in, HDMI audio input
Audio Output PortsStereo line out, HDMI audio output
Content Sharing CapabilitySupport for dual streams in H.239 (H.323) and BFCP (SIP), up to 1080p resolution

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