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  Welcome to the community group page for Vscene. It is a means for customers to provide feedback and receive updates on the service and also enables access to videoconferencing technical data in the Library section. For technical information about the service please click here We have some FAQs and video tutorials to help you to use VsceneWe have an ongoing programme of updates and revisions. We have also launched a Vscene Ideascale site which gives you the opportunity to get involved in ideas for improving Vscene.  Vscene brings people together by removing geographical barriers and enabling easy communication and collaboration with colleagues, opening up opportunities to participate in a wide range of business activities. Videoconferencing has many uses, from teaching and learning to administration and its use continues to grow particularly with the rise in satellite campuses and distance learning courses. In recent times, the technology has been used for remote training, work placement supervision, interviewing and thesis defence. For participants with mobility difficulties or other impairments, videoconferencing enables their inclusion. Vscene has been developed to meet the needs of the research and education sector. It provides seamless connectivity between participants regardless of what technologies you’re using. Once you have registered, Vscene offers you:   an intuitive interface making it easier and quicker to participate in video sessions, and focusing on people meeting people the ability to launch video sessions instantly or schedule in advance live conference management capability, allowing you to bring extra participants or extend the session a good quality recording system a streaming system that is simple to use, with high capacity a meeting room function to enable you to create your own public or private virtual spaces to host meetings as and when needed a browser based desktop client, that can be installed on almost any platform by the user, without needing administrator rights seamless integration at your desk, in multipurpose rooms or dedicated suites, with high quality delivery every time continued support for interoperability with Visimeet video desktop client a detailed reporting facility a dedicated, friendly and experienced support team, that knows the education sector, to help manage your conversations. Vscene provides a videoconferencing service that makes it possible to enhance teaching and learning, enable research and encourage collaboration.   Watch a short video about Vscene here.      

Evaluation of Cisco SX20 CODEC added to the site

9 September 2013 at 9:20am

Here is the executive summary of the Cisco SX20 videoeonferencing CODEC. More detailed documents including the main body of the report, the test results and manufacturer comments can be found on our community library pages.

Manufacturer: Cisco   

Model: SX20 Quick Set

Software Version: 5.1.4

Optional Features and  Modifications:

12x Camera, 4x Camera, Natural Presenter Package, Dual Monitor, Premium Multisite

Date of Test: 15th – 19th October 2012

The Cisco SX20 Quick Set CODEC is a high definition conferencing system, designed to be installed either in a small to medium sized conference room or as part of a Roll-about unit.

The basic system supports a resolution of 1280 x 720 pixels @ 30fps and includes a high definition (HD) camera, a table microphone, an infra-red remote control and PC connectivity in the package.  Several options are available:

  1. A four site on-board Multipoint Conference Unit (MCU)

  2. The choice of an HD camera with either a 12x or a 4x zoom range

  3. Premium Resolution with a maximum resolution of 1920x1080 at 60 fps.

  4. Natural Presenter provides dual video channel H.239

  5. Dual monitor output

Compatibility with other H.323 CODECS is achieved across a range of resolutions from SIF (352x240) to 1920x1080 pixels. The quality of the conference is dependent upon the capability of the remote CODEC and the connection speed.


  • Feature rich, compact and easy to install

  • Up to 1080p @ 60fps main video

  • Overall video and audio performance


  • 12x camera focus performance and PTZ mechanical noise  

  • Vari-speed cooling fan noise

  • Maximum Presentation signal frame rate restricted to 15fps at 1080p resolution

Feature Summary:

Video standards

H.263, H.263+, and H.264

Supported video resolutions

176 x 144     @30, 60 fps (QCIF) (Decode only)

352 x 288     @30, 60 fps (CIF)

512 x 288     @30, 60 fps (w288p)

576 x 448     @30, 60 fps (448p)

768 x 448     @30, 60 fps (w448p)

704 x 576     @30, 60 fps (4CIF)

1024 x 576   @30, 60 fps (w576p)

640 x 480     @30, 60 fps (VGA)

800 x 600     @30, 60 fps (SVGA)

1024 x 768   @30, 60 fps (XGA)

1280 x 768   @30, 60 fps (WXGA)

1280 x 720   @30, 60 fps (HD720p)

1920 x 1080 @30, 60 fps (HD1080p)


H.323 128Kbps ~ 6Mbps

Audio standards

G.711, G.722, G.722.1, 64 kbps and 128 kbps MPEG4 AAC-LD

Optional cameras

4x optical zoom camera, PTZ function, 1080 native resolution. 70° horizontal field of view.

12x optical zoom camera, PTZ function, 1080 native resolution. 72° horizontal field of view.

Video inputs

One HDMI and one DVI-I (Analogue and Digital)

Video outputs


Audio inputs

2 x desk microphones, microphone audio from camera over HDMI, 3.5mm mini-jack connection for laptop/DVD audio

Audio outputs

HDMI, 3.5mm mini-jack

Auxiliary features

H.239 second video channel up to 1080p resolution @15fps in point to point and Multisite calls.

Far-end camera control.

Four site internal H.323 MCU supporting Continuous Presence only.


AES Encryption