Patent ID: 8675607

Claim:
A method in a telecommunications network connecting user equipment, UE, communicating wirelessly with the telecommunications network, comprising steps of: detecting that handover is required from a packet switched, PS, based network to a circuit switched, CS, based network; initiating in a source mobility management node a single radio voice call continuity, SRVCC; initiating a PS to PS handover for non-voice components with information about voice related parameters and a PS to CS handover indicator related to voice components; executing hand over; sending an update to a serving gateway, SGW, from a target mobility management node with non-voice related parameters and the PS to CS handover indicator; forwarding the update from the SGW to a packet data network gateway, PGW; and receiving the update in the PGW, detecting the PS to CS handover indicator, and handling in the PGW the PS to CS handover indicator.