You want others to know your program so you no longer be forced to call on each side, and to communicate?

Nothing more simple. Send an e-mail to all contacts with the program taken directly from Outlook.

Good, and if they do not have Outlook, how would they see? Outlook will automatically attach to mail a file type. ISC, the container will open in iCal, Google Calendar or any other application that supports iCalendar files.

On site Productivity Portfolio you can read in detail, step by step how to do this.