FIELD: communications.
SUBSTANCE: communication method comprises: determining the PD for the terminal device by the session control network element, based on the session context of the current session protocol data unit, and that the current session PDU is a non-persistent session; sending to the terminal device, by the session control network element, first indication information when the session control network element determines, based on the first information, to establish the first low latency service flow for the current session PDU, the first information comprising at least one of the following: local configuration information, subscription data or the first QoS parameter; and the first indication information is used to indicate the change of the current PDU session to the always active session.
EFFECT: increase of efficiency of communication by eliminating the need to use resources due to the constant setting of the session to a permanently active session.
18 cl, 21 dwg
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