Patent ID: 11909907
Assignee: OFINNO, LLC
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A method comprising:
receiving, by a home session management function (SMF) of a home public land mobile network (PLMN) from a visited SMF of a visited PLMN, a request for creation of a packet data unit (PDU) session of a wireless device, the request comprising first charging policy information corresponding to a first policy of the visited PLMN;
sending, by the home SMF to a home policy control function (PCF), a charging policy request message comprising the first charging policy information;
receiving, by the home SMF from the home PCF, a charging policy response message comprising second charging policy information determined based on the first charging policy information; and
sending, by the home SMF to the visited SMF, the second charging policy information, wherein the second charging policy information comprises:
a charging method for the PDU session; and
a charging parameter indicating a charging level for the PDU session.