Patent ID: 6700969
Filing Date: 2004-03-02
Classification: H04M

Abstract:
A method for protecting call privacy across telecommunication networks comprising the steps of:initiating a process for establishing a call between a calling communication terminal located in a first telecommunication network and a target communication terminal located in a second telecommunication network; selecting among a plurality of privacy options available for assignment to said call, each of said privacy options being selected at said calling communication terminal and being associated with a limitation on call compatibility at said target communication terminal; assigning each selected privacy option to said call; and enforcing each of said selected privacy options assigned to said call completely within said second network, eliminating the need for external enforcement, said enforcing including disabling call control capability of said target communication terminal based on said selected privacy options; wherein said selecting includes selecting a privacy option that prevents said call between said calling communication terminal and said target communication terminal from being directed through a hands-free speaker phone that is related to said target communication terminal.