go to start>control panel>phone and modem options>highlight the number you use (normally the top one) and click edit. towards the bottom of this applet there will be a small option :to disable call waiting. if this option is not ticked, you should get disconnected when you get a beep.
poll will put a little vote thingy on your post. like if you wanted to know what brand of processor people like to use: AMD or Intel. then everyone who views the post has the opportunity to vote on their favorite, and when it is completed, a graphical representation of the results are put in place of the vote window. look through the other sections of this forum for topics that start with "poll:" such as
this one.