Patent ID: 8854990

Claim:
A cordless telephone base unit comprising: a first network controller that establishes a plurality of concurrent call sessions for a single voice call account with a service provider over the Internet, wherein each of the concurrent call sessions includes at least one media session, and wherein each of the media sessions has a corresponding software port number; a second network controller that wirelessly communicates with a plurality of cordless telephones, wherein each of the plurality of cordless telephones has a corresponding Internet Protocol (IP) address; and a terminal controller that connects each of the media sessions to one or more of the plurality of cordless telephones, wherein the terminal controller comprises a switch logic that implements a terminal map, wherein the terminal map associates the corresponding IP address of each of the plurality of cordless telephones with the corresponding software port numbers of one or more of the media sessions, and a switch fabric that connects each of the plurality of cordless telephones with one or more of the media sessions according to the terminal map, wherein the terminal map specifies that in response to a first inbound call being received while no other calls are traversing the first network controller, the first inbound call is connected to a first cordless telephone of the plurality of cordless telephones, and in response to a second inbound call being received while the first inbound call is connected to the first cordless telephone, (i) the second inbound call is connected to a second cordless telephone of the plurality of cordless telephones, and (ii) a call waiting indicator is provided to the first cordless telephone.