Method for relaying calls between gateway exchanges of two telecommunication networks, involves writing data element in reverse message, which is transmitted from gateway exchanges during establishing connection between two subscribers

摘要

The method involves writing a data element (P-B) in a reverse message, which is transmitted from a gateway exchanges (N-A) during establishing a connection between a subscriber (T-A), who calls from a telecommunication network (A) with a priority and another subscriber (T-B), who is called in another telecommunication network (B). The data element identifies the called subscriber as a subscriber of the network, which is equipped with functionalities for prioritizing and priority dependent displacement.