Method and telecommunications network utilizing more than one online charging system for a given user

A method for enhanced policy and charging control when a telecommunications network is used by a User Equipment corresponding to a subscriber includes a Policy and Charging Enforcement Function and a first Online Charging System, configured to communicate via an online charging interface. The telecommunications network further includes a second Online Charging System being configured to communicate via an online charging interface. The method includes: communicating, by an interworking credit control function of the telecommunications network, relative to the subscriber of the telecommunications network and with regard to the same or overlapping traffic of the subscriber via a first online charging interface with the Policy and Charging Enforcement Function, via a second online charging interface with the first Online Charging System, and via a third online charging interface with the second Online Charging System.