SYSTEM AND METHOD FOR TRANSITIONING A COMMUNICATION SESSION BETWEEN NETWORKS THAT ARE NOT COMMONLY CONTROLLED

摘要

Provided are a system and method for network transitions. In one example, the method includes receiving messages from a mobile device indicating that the mobile device is in a session initiation protocol (SIP) wireless hotspot and that the mobile device is engaged in a communication session via a cellular network while in the SIP wireless hotspot. The cellular network is instructed to add the mobile device to the communication session via the SIP wireless hotspot. An affirmative response is received from the cellular network and a third message is sent to the mobile device to notify the mobile device of the affirmative response.

主权项

1. A method comprising:
receiving a first message from a mobile device indicating that the mobile device is in a session initiation protocol (SIP) wireless hotspot; receiving a second message from the mobile device indicating that the mobile device is engaged in a communication session via a cellular network while in the SIP wireless hotspot; instructing the cellular network to add the mobile device to the communication session via the SIP wireless hotspot; receiving an affirmative response from the cellular network; and sending a third message to the mobile device to notify the mobile device of the affirmative response.