You can make calls, share screen, text messages by clicking on links of "mychat:" type in a browser. MyChat Client on your computer will be launched or activated (if it's already working) to execute your commands.
To do this you need to register "mychat:" protocol in your system, and then read the command description.
Example of HTML file to perform basic functions
All operations are performed for a user with UIN=3 (for example):
Open private dialog to user with UIN=3 Voice call Video call Screen sharing
