colour Internet browsing / fall-back electricity supplies / interconnection to networks / telecommunications infrastructures / cellular systems / access to their networks / service management / parent network / user services / telephone circuits / area paging systems / web browsing / fixed and mobile telecommunications networks / telecommunications networks / Voice services / diverse technical solutions / packet radio services / legitimate network / resilient telecommunications / communications networks / grid-based electricity / telecommunication systems / ineffective communications / feature-rich data services / network operators / telecommunications platforms / potential technical solutions / public land mobile networks / data services / internet webpage / public mobile services / document communications service / mobile network operator / land mobile networks / communications system / satellite systems / telecommunications facilities / printing / e-mail services / mobile radio communications / communications services / telecommunications / responder communications / communications systems / visual communications / resources to prevent network / grid-distributed electricity / radio communications systems / point-to-multipoint communications / mobility management / network management / earlier analogue systems / resilient communications / private business radio systems / certain technical solutions / similar services / back-up electricity supplies / grid-distributed electricity failure battery back-up / telecommunications systems / /
Organization
Message Service / Switching Centre / General Packet Radio Service / National Infrastructure Security co-ordination Centre / / /