HomeHelpPhoneHow Do I Use Call Waiting? Phone How Do I Use Call Waiting? If included in your phone package, this features comes activated. To answer a call waiting call, you’ll hear a brief beep alerting you that another call is coming in, then:Press the “flash” key or switch hook with a quick tap, putting your first call on hold. You’ll automatically be connected to the call waiting caller. To alternate between calls, press the “flash” key or switch hook with a quick tap. To cancel your call waiting call, press *70-this can be done before placing a call or during an existing call. Your original call is automatically restored when the call is terminated. Related Questions What are MPW's current promotions? If my power goes out, will my phone service still work? Does it cost anything if I have an "800", or toll-free number to receive calls? Back to Phone