Section: 4.23.4.4 Network Triggered Service Request
Content: For network triggered service request procedure, if the procedure is triggered by downlink packet, the procedure in clause 4.2.3.3 are impacted as following: - if the I-SMF is available for the PDU Session, the procedure is triggered by I-SMF. Correspondingly, the SMF in that procedure is replaced by the I-SMF. - The referenced clause 4.4.4 for pause of charging is changed to clause 4.23.14. - Step 4a: - If I-SMF is not available for the PDU Session and no I-SMF insertion is needed, no additional change is needed. - If I-SMF is available for the PDU Session and no I-SMF change or removal is needed, steps 12 to 22 in clause 4.23.4.2 is performed where the SMF in that procedure is replaced by the I-SMF. - If I-SMF will be inserted, changed or removed, steps 2 to 25 in clause 4.23.4.3 is performed. - Step 6: If the UE is in CM-IDLE state in 3GPP access, upon reception of paging request for a PDU Session associated to 3GPP access: - If I-SMF is not available for the PDU Session and no I-SMF insertion is needed, no additional change is needed. - If I-SMF is available for the PDU Session and no I-SMF change or removal is needed, UE Triggered Service Request procedure as defined in clause 4.23.4.2 is performed. - If I-SMF will be inserted, changed or removed, UE Triggered Service Request procedure as defined in clause 4.23.4.3 is performed.