Network node and method in a telecommunication network, the network node receiving from a calling terminal a request to set up a call with a called terminal. The network node retrieves call set up information from a stored connection table and utilizes the retrieved data to set up the call. The connection table comprises data relating to set up of a call between the calling terminal and the called terminal. A first region class for the calling terminal is determined, and a second region class for the called terminal, each being associated with locations of the calling terminal and the called terminal, respectively. Furthermore, a rating category for the call to be set up is determined using the first region class and the second region class using the connection table.