Patent ID: 8238539

Claim:
A method of transmitting a communication event from a calling entity to a called entity located in a communication network comprising a first network and a second network, the method comprising: determining a first identity associated with the called entity, wherein the first identity is recognizable in the first network; allocating a second identity to the called entity, wherein the allocated identity is recognizable in the second network; associating at a first node located in the first network the first identity with the second identity; providing the second identity to the calling entity; establishing a connection with a second network node located in the second network; wherein the connection with the second network node is established using the second identity; querying the first node with the second identity associated with the called entity to determine the first identity associated with the called entity; transmitting the communication event to the called entity using the first identity associated with the called entity; and disassociating the second identity from the called entity after querying the first node to determine the first identity associated with the called entity.