The invention relates, inter alia, to a method according to which a connection is alternately established via a telecommunications network (11) or the internet (34). A user (TlnB) can thus be reached better....http://www.google.fr/patents/US7333494?utm_source=gb-gplus-shareBrevet US7333494 - Optional setting up of a connection via a telephone network or via the internet
Optional setting up of a connection via a telephone network or via the internet