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

Claim 17:
18. A system comprising:
a visited session management function (SMF) of a visited public land mobile network (PLMN); and
a home SMF of a home PLMN comprising:
one or more processors; and
memory storing instructions that, when executed by the one or more processors, cause the home SMF to:
receive, from a visited SMF of a visited 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; and
send, to a home policy control function (PCF), a charging policy request message comprising the first charging policy information;
receive, from the home PCF, a charging policy response message comprising second charging policy information determined based on the first charging policy information; and
send, 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.