CHF Response

The CHF response, during an exchange, sends updated volume and time thresholds and quota. The SMF relays the updated URR toward N4.

A change in threshold/trigger/quota triggers an Update URR, which leads to the N4 relay.

The Update URR is sent based on the following triggers:

  • Volume/time threshold

  • Volume/time quota

  • Tariff time change

  • Quota holding time, and so on