Test your system's compatibility for flash player, browser, operating system, and port settings.
System configuration requirements
Software Type/Version
Flash player 10.3 or later
Browser Internet Explorer, Chrome*, Safari, Firefox, Opera
Operating system Mac OS X, iOS, Microsoft Windows, Android, Linux
Port 1935 RTMP or Port 80 Should be open
*Users on Chrome browser must upgrade the browser to version 28.0.1500.72 or above for better Audio/Video experience in the Virtual Classroom.
Test results
Chrome version may result in audio/video issues.
The version of your Chrome browser may seriously impair audio/video quality in the Virtual Classroom. This may result in lag or disturbance in audio/video streaming of live classes. This issue occurs in Chrome version 21 or above on window operating system and Chrome version 23 or above on Mac.
Fix Chrome settings with one of these options:
Follow simple steps to fix manually
These requirements are based on one-on-one scenarios in virtual classroom.
Internet connection speed requirements
Use in Virtual Classroom Minimum speed Suggested speed
Only audio session 44 kbps 256 kbps
Audio session + other features* 300 kbps 512 kbps
Only video session 106 kbps 512 kbps
Video session + other features* 356 kbps 1 Mbps
*other features include screen sharing, watching YouTube or other videos, sharing content etc.
Test the availability & compatibility of Java plugin version required to share your screen in the Virtual Classroom.
Important: Java plugin is required only if you are a presenter. Attendees and viewers do not need to install Java plugin.
Java requirements:
For sharing screen, you require Java version 1.5 or later.
Test results
Testing Java installation
You require Java plugin version 1.5 or later.
Java is installed and enabled in your browser.
The Java plugin is disabled in your browser. Enable the Java plugin using browser settings.