Patent ID: 7408925

Claim:
A method for setting up a communication between first and second communication devices, the first communication device corresponding to a first directing server and first communication manager separate from the first directing server, comprising: the first directing server receiving a call set up message at least one of addressed to and originated by the first communication device; the first directing server determining that the first communication device has a corresponding first communication manager; the first directing server forwarding the call set up message to the first communication manager and requesting the first communication manager to perform at least one of call originating and terminating processing, the call setup message including a message in a route header of an INVITE message, the route header specifying the at least one of call originating and terminating processing; the first communication manager performing the at least one of call originating and terminating processing; and the first directing server directing the call set up message to a destination referenced in the call set up message.