METHOD FOR CONTINUOUSLY PROVIDING EMERGENCY CALL SERVICE THROUGH PACKET NETWORK

摘要

Disclosed are a method and a device for maintaining an emergency call service through a packet network in a mobile communication network. A terminal using VoLTE receives identification information for indicating whether an IMS voice over PS (IMS VoPS) is supported from a network to determine whether the IMS VoPS of the network is supported, and processes paging for a CS voice call according to the determination result if the emergency call service continues through the packet network.