Policy information to policy control and confirmation to session management

An apparatus comprising:

• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause a charging function (CHF) to:
• receive, from a policy control function (PCF), a first request for charging policy information for a packet data unit (PDU) session of a wireless device, wherein the charging policy information indicates a charging method comprising one or more of:
• online charging, offline charging, or converged charging;
• send, to the PCF, a message comprising the charging policy information;
• receive, by the CHF from a session management function (SMF), a second request to establish a charging session, wherein the second request comprises the charging method;
• and
• send, to the SMF, a confirmation for the charging method.

A system comprising:

• a policy control function (PCF);
• a session management function (SMF);
• and
• an apparatus comprising:
• one or more processors;
• and
• memory storing instructions that, when executed by the one or more processors, cause a charging function (CHF) to:
• receive, from the PCF, a first request for charging policy information for a packet data unit (PDU) session of a wireless device;
• send, to the PCF, a message comprising the charging policy information, wherein the charging policy information indicates a charging method comprising one or more of:
• online charging, offline charging, or converged charging;
• receive, by the CHF from the SMF, a second request to establish a charging session, wherein the second request comprises the charging method;
• and
• send, to the SMF, a confirmation for the charging method.