Method and system to authorize a session at an online charging system in a wireless network

An electronic device to be deployed in a wireless network, comprising:

• a processor and computer-readable storage medium that provides instructions that, when executed by the processor, cause the electronic device to perform:
• receiving a request message for resources to set up a session with a terminal device, wherein the request message is sent from a core network interface to an online charging function (OCF), and wherein the request message indicates that the session includes a large file or that the session has a long duration;
• determining that the terminal device has enough credit for the session based on the request message;
• and
• granting the resources for the session with the terminal device based on the determination.

A non-transitory computer-readable storage medium that provides instructions that, when executed by a processor of an electronic device, cause the processor to perform:

• receiving a request message for resources to set up a session with a terminal device, wherein the request message is sent from a core network interface to an online charging function (OCF), and wherein the request message indicates that the session includes a large file or that the session has a long duration;
• determining that the terminal device has enough credit for the session based on the request message;
• and
• granting the resources for the session with the terminal device based on the determination.