The disclosure is directed to a method of providing a distinctive call
waiting tone based on a redirecting number. The method includes receiving
a call from an originating device at a redirecting device; forwarding the
call from the redirecting device to a destination device; and applying a
distinctive type of call waiting tone to the destination device based
upon determining that a data message includes a redirecting number. The
forwarded call has an associated data message that includes a calling
number of the origination device, a called number of the destination
device, and a redirecting number of the redirecting device.