Patent ID: 11930406
Assignee: HUAWEI TECHNOLOGIES CO., LTD.
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. A method in a communications system, the method comprising:
during an establishment or a modification of a protocol data unit (PDU) session of a terminal in a first network:
sending, by a first control plane function network element, a bearer identifier request to a mobility management network element to request to allocate a bearer identifier for the PDU session;
receiving, by the first control plane function network element, a bearer identifier allocated to each bearer of at least one bearer from the mobility management network element, wherein the at least one bearer is included in a packet data network (PDN) connection in a second network that corresponds to the PDU session in the first network; and
obtaining, by the first control plane function network element, tunnel information of the PDN connection,
wherein the tunnel information comprises user plane tunnel information corresponding to each bearer of the at least one bearer.