IMPLEMENTATION METHOD OF FINISHING CALLING IN IMS CENTRALIZED CONTROL SERVICE

摘要

An implementation method of finishing the calling in IMS centralized control industry,includes the following steps:(a)after receiving the session request message by the calling user of the remote end, IMS ICCF sending the session request to the called user equipment UE by the packet switch PS domain, wherein the message is carrying the message about the address of ICCF and the session identification; (b)after the called user equipment UE receiving the session request message, initializing the calling establishing request for the ICCF by the circuit switched CS domain and carrying the session identification message, and after the ICCF receiving the calling establishing request, associating the session initialized by the called user equipment UE and the calling user of the remote end according to the session identification message.