Patent ID: 6879666

Claim:
A telephone operable on an Integrated Services Digtal Network (ISDN), the telephone operable in one of a remote mode and a local mode, the telephone comprising: a system bus; a network interface to provide connection between the system bus and the network; a memory system coupled with the system bus to store data and instructions; and a processor coupled with the network interface and operating with the stored data and instructions to establish call control procedures, in response to a first message over the network containing a first code identifying the origin of the an incoming call and indicating the incoming call should be transferred from a second telephone connected with the network to the telephone and responsive to operation in the remote mode, the processor operative to send a second message through the network to the second telephone, the message including the first code and a second code identifying the origin of the second message, in response to a third message over the network from the second telephone requesting transfer of the incoming call, the processor operative to initiate a network transfer of the incoming call to the second telephone, disconnecting the telephone from the incoming call.