| 摘要 |
The present invention describes a method and apparatus for providing an advanced call forwarding feature for telephone service subscribers. More specifically, the present invention provides a method and apparatus to forward a phone call to multiple phone numbers in a progressive manner. With this invention, when a phone number is called, the call is forwarded to a list of phone numbers in the following manner: a) call to the first phone number in the forwarding list, b) wait for a pre-provisioned period, if not answered, c) call to the second phone number from the list while the first phone is still ringing, if not answered by either phones, e) call yet another phone number from the forwarding list in the same manner until the end of the list while keeping all phones ringing simultaneously f) stop ringing of all other phone stations when one of the phone stations in the call list is picked up. |
