TRANSFER FROM A FIRST UE TO A SECOND UE OF AN ACTIVE CALL WITH A THIRD-PARTY PERFORMED BY A MOBILE NETWORK OPERATOR MNO

摘要

The present disclosure relates to a method for an active call handover is provided. The method includes receiving, at a mobile network operator, MNO, a handover request to transfer an active call, which is currently active between a first user equipment, UE, and a third-party device, from the first UE to a second UE; sending, by the MNO, a first invitation message to the second UE and a second invitation message to the third-party device; and transferring the active call from the first UE to the second UE.