HANDOVER FROM CIRCUIT SWITCHED OVER PACKET SWITCHED DOMAIN TO CIRCUIT SWITCHED DOMAIN

摘要

A method for initiating handover of a circuit switched service using a packet switched bearer of a mobile station (31) from a packet switched domain to a circuit switched MS eNodeB PMSC PCRF domain in a mobile communications network comprising a radio network and a core network, said method comprising communicating to the mobile station that a circuit switched handover procedure is to be initiated, said communication comprising sending a circuit switched handover required message to the mobile station, said circuit switched handover required message comprising identification of a circuit switched handover target cell; said mobile station sending a circuit switched handover required message to the core network, said handover-required message comprising identification of the handover target cell.