A telecommunications system uses software applications called user agents, that are preferably Internet-based and that operate on behalf of users in a telecommunications hosting server to control call connections under control of a telecommunications network server that interfaces with the telecommunications...http://www.google.fr/patents/US6747970?utm_source=gb-gplus-shareBrevet US6747970 - Methods and apparatus for providing communications services between connectionless and connection-oriented networks
Methods and apparatus for providing communications services between ...
