ETSI ETR 279

Need and objectives for standards, in addition to the ETSs on essential requirements, concerning e.g. numbering, security, interconnection and interworking with terrestrial networks, evolution towards the UMTS satellite component Report to provide detailed knowledge on which standards are needed to assure short and long term suitability of S-PCN systems in the European technical, operational and regulatory environment. Need and objectives for standards, in addition to the ETSs on essential requirements (-05009/14/15), concerning e.g. numbering, security, interconnection and interworking with terrestrial networks, evolution towards the UMTS satellite component.