The invention relates to a method in the packet switched data transmission between a wireless communication device (MS) and a packet network (PLMN1, PLMN2), in which data transmission between the wireless communication device (MS) and the packet network (PLMN1, PLMN2) is controlled with at least one...http://www.google.es/patents/US6717928?utm_source=gb-gplus-sharePatente US6717928 - Method and system for controlling data transmission with connection states
Method and system for controlling data transmission with connection states
