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Online services technical requirements

Our interactive online events, web seminars and meetings can be accessed using typical computer systems that are connected to the Internet.


Most personal computers typically in use today should be able to access our online services. In general, we recommend that you use the most recent browser version available. Some features may not be available on all platforms and in all browsers. For detailed requirements, please refer to the latest WebEx System Requirements.

Internet connection

Our interactive online events, web seminars and meetings are all delivered over the Internet. A reliable Internet connection is therefore necessary. Wherever possible, we recommend a broadband connection for best quality. Some features (including video playback and integrated audio) may not work correctly over lower bandwidth connections.

Telephone access

A telephone is not required for access to our online services as we can route audio and voice communication over the Internet (we recommend the use of a computer headset). However, if your Internet connection is not high bandwidth, or you are concerned about reliability, you may prefer to use a telephone to receive audio and join in conversations. We offer local/national dial and toll-free access in many countries for many of our services. Please see our audio information for further details.

Operating systems and web browsers

The following table shows the key operating system and web browser requirements:

OOperating system Recommended web browsers
Microsoft Windows 2000, Windows XP (32-bit only), Windows Server 2003 and Windows Vista (both 32-bit and 64-bit)
  • Internet Explorer 7/8
  • Firefox 3/3.5
  • Chrome 3
Mac OS X 10.4, 10.5, 10.6
  • Safari 4
  • Firefox 3/3.5
Linux, Unix, etc. Please refer to latest WebEx system requirements...

JavaScript and cookies

JavaScript should be enabled in the web browser you are using and cookies should be accepted to ensure proper functionality of WebEx applications. Cookies may be restricted to the DownsEd WebEx site (see below).

ActiveX and Java

It is recommended that ActiveX components are enable on Microsoft Windows systems running Internet Explorer. Mac OS X systems require Apple Java 5 or higher.

DownsEd WebEx site

All of our online services are securely hosted through our WebEx site located at https://downsed.webex.com/. If you prefer, you can restrict application permissions and cookie acceptance to this specific domain.


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Contact us

For further assistance, please contact us on +44 (0)23 9285 5330 or email webmaster@downsed.org