System Requirements
Operating Systems
Note: Downloading ISL Light or running ISL Light Network Start executable will download latest supported version for your operating system.
Microsoft Windows
- Microsoft Windows Server 2019
- Microsoft Windows Server 2016
- Microsoft Windows 10 (32-bit and 64-bit)
- Microsoft Windows 8.1 (32-bit and 64-bit)
- Microsoft Windows Server 2012 R2
- Microsoft Windows 8 (32-bit and 64-bit)
- Microsoft Windows Server 2012
- Microsoft Windows 7 (32-bit and 64-bit)
- Microsoft Windows Server 2008 R2
Note: ISL Light 4.0.1 was the last version to support the following operating systems:
- Microsoft Windows Server 2008
- Microsoft Windows Vista (32-bit and 64-bit)
- Microsoft Windows Server 2003 R2
- Microsoft Windows Server 20003
- Windows XP (32-bit and 64-bit)
Mac OS
- macOS 10.15 Catalina
Important: With macOS 10.15 Mojave Apple introduced additional changes to its Security settings which further affect the workflow when running ISL Online applications. Please refer to the following topic for explanation: ISL Online programs compatibility with macOS 10.15 Catalina
- macOS 10.14 Mojave
Important: With macOS 10.14 Mojave Apple introduced some changes to its Security settings which affect the workflow when running ISL Online applications. Please refer to the following topic for explanation: ISL Online programs compatibility with macOS 10.14 Mojave
- macOS 10.13 High Sierra
- macOS 10.12 Sierra
- OS X 10.11 El Capitan
- OS X 10.10 Yosemite
- OS X 10.9 Mavericks
- OS X 10.8 Mountain Lion
Note: ISL Light 4.0.4 for Mac was the last version to support OS X 10.6 and OS X 10.7.
Linux
- Linux kernel 2.4 and higher (64 bit)
Note: Linux systems require X Window System to run ISL Online's applications.
Note: ISL Light 4.0.4 for Linux was the last version to support 32-bit kernels.
Internet Connection
Bandwidth minimum: 56 Kbps
Supported connection methods (ISL Light can work with any of the following):
- direct outgoing TCP/IP connection to TCP port 7615 on ISL Conference Proxy server
- WININET HTTPS connection to TCP port 443 on ISL Conference Proxy server
- WININET HTTP connection to TCP port 80 on ISL Conference Proxy server
- direct HTTPS connection to TCP port 443 on ISL Conference Proxy server
- direct HTTP connection to TCP port 80 on ISL Conference Proxy server
Timeout for a specific connection method is 20 seconds for connection establishment - so total timeout for connection is less than 1 minute.
Supported network types are the following:
- a computer with a static public IP
- a computer with a dynamic public IP
- a computer in a private network behind a firewall with a public IP performing NAT
- a computer in a private network behind a http proxy offering http and/or https protocols
Web Browsers
- Firefox 6.0 or higher
- Google Chrome 3 or higher
- Microsoft Edge
- Microsoft Internet Explorer 6.0 or higher
- Opera 11.6 or higher
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