A communication network having intelligent network functions which collects traffic data for call services without requiring alteration of or addition to programs in all of the service switching nodes in the communication network even if a new call service is introduced as an intelligent network service....http://www.google.fr/patents/US5867565?utm_source=gb-gplus-shareBrevet US5867565 - Intelligent network having service control node and service switching node for achieving traffic data collection processing
Intelligent network having service control node and service switching node ...