MOBILE COMMUNICATION METHOD AND MOBILITY MANAGEMENT NODE
摘要
<p>A mobile communication method according to the present invention comprises: a step (A) for transmitting an "LTE Attach Request" including ability information indicating compatibility with "VoLTE communication", to an MME containing UEE-UTRAN; and a step (B) for assessing whether an IMS APN bearer should be set between a UE and an APN of an IMS when the MME assesses that the APN of the UE is the APN of the IMS, on the basis of the ability information.</p>
