Sending information from server-side script to client

I have created a script for an Adobe FMS application to broadcast a playlist of video files as a live stream. (internet tv)

I am now working on a custom Flash-based video player to play my stream.

My question is:
How do I send information from my server-side FMS application (main.asc) to the client-side video player? (e.g: title, duration of current video player)

I am new to AS, so please let me know if I need to provide more clarification.

You can use the server side Client.call() invoked when a client connects successfully