METHOD FOR A CALLED DEVICE TO INSTRUCT A CALLER DEVICE TO ESTABLISH A COMMUNICATION SESSION WITH A DESTINATION DEVICE

摘要

A method implemented on a called device for instructing a caller device to establish a session with a destination device is disclosed. The method includes receiving a communication session establishment message from the caller device, wherein the communication session establishment message includes only a partial identifier of the caller device. The method further includes using the partial identifier to obtain an at least more complete identifier by which the caller device can be reached, and instructing the caller device, which is reached using the more complete identifier, to establish the session with the destination device. The called device and the necessary software thereon are also disclosed. A personal token of the called device is also disclosed.