5G LTE METHOD FOR PROVIDING VOICE SERVICE IN TRANSITIONING FROM 5G NETWORK INTO LTE NETWORK

A method for allowing a call session control device to provide a voice service comprises the following steps of: receiving a call request message from a calling terminal connected to a first access network; transmitting the call request message to an incoming network to which an incoming terminal of...

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Bibliographische Detailangaben
Hauptverfasser: LEE SANG HO, CHO HYUNIL
Format: Patent
Sprache:eng ; kor
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