Smart policy rule update

A method performed by a third network function implementing a Policy Control Function (PCF), comprising:

• receiving, from a second network function implementing a Session Management Function (SMF), a second message including a second parameter indicating a second retry-after time during which a User Equipment (UE) is considered unreachable;
• and
• transmitting, to a fourth network function implementing an Application Function (AF), a third message including a third parameter indicating a third retry-after time, wherein the third retry-after time indicates the fourth network function to suppress a transfer of message to the third network function when the third retry-after time runs.

A method performed by a fourth network function implementing an Application Function (AF), comprising:

• receiving, from a third network function implementing a Policy Control Function (PCF), a third message including a third parameter indicating a third retry-after time, wherein the third retry-after time indicates the fourth network function to suppress a transfer of message to the third network function during the third retry-after time.

19-23. (canceled)