Call waiting, then, alleviates the need to have a separate line for voice communications. Note that since the signal to the called party is audible (for example, a beep every ten seconds in North America), call waiting often can cause Dial-up internet access connections to terminate. For this reason, call waiting is often disabled on shared voice/data telephone lines. In North America, the NANP uses *70 before a call to suspend call waiting for that call. A stuttered then regular dial tone confirms the de-activation.
Type II caller ID also works with call waiting.
Call waiting has precedence over call forwarding busy
Agency Reviews Patent Application Approval Request for "Method, System and Base Station for Implementing Compatibility between Mobile Call Waiting and Cluster Call Waiting"
Jan 10, 2013; By a News Reporter-Staff News Editor at Politics & Government Week -- Zte Corporation has been issued patent application serial...