A method for transferring data from a first switch to a second switch selectively by line-switching or by packet-switching as well as to a switch for carrying out the method. Data packets are thereby first transferred packet-switched through a packet-switching network to the second switch. With the presence...http://www.google.co.uk/patents/US7145902?utm_source=gb-gplus-sharePatent US7145902 - Method for transmitting data in a telecommunications network and switch for implementing said method
