Call waiting is a feature of the cell phone and not the Headset. You cannot use the headset controls to do this. You will have to use the keys on the phone itself to accept the call waiting and switch back to the original call. But it can be done!
Hi, I'm Kyle!
I manage this blog. Feedback, comments, compliments, criticisms, or any other questions? I'll take them all!

Kyle Newgent
Headset Blogger