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VoLTE LTE Method for Voice Over Long Term Evolution Emergency Call Connection And Single LTE Terminal Thereof
VoLTE LTE Method for Voice Over Long Term Evolution Emergency Call Connection And Single LTE Terminal Thereof
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机译：用于长期演进紧急呼叫连接的语音的VoLTE LTE方法及其单个LTE终端
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摘要
A single LTE terminal that performs a VoLTE emergency call is initiated. The terminal includes a communication unit, a user input unit for inputting an emergency call connection command, a control unit for acquiring first LTE network information through a communication unit when a command is input and a USIM is not recognized, and a memory for storing second LTE network information The controller may determine the connection network by comparing the first LTE network information with the second LTE network information, and may transmit a Session Initiation Protocol (SIP) INVITE message to the determined network. Thus, user convenience can be improved.
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