42 Analysis and research services in the field of telecommunications; analysis and research services relating to computer hardware and computer software; initial consultancy on technical requirements for telecommunications systems and networks; design and development of telecommunications apparatus, telecommunications systems and telecommunications networks; design and development of computer hardware, computer systems and computer networks; installation, maintenance and repair of computer software; computer programming; creating and maintaining websites for others; hosting the websites of others; programming of telecommunications apparatus, telecommunications systems and telecommunications networks; testing and monitoring of telecommunications apparatus, telecommunications systems and telecommunications networks; testing of circuits hardware; computer consultation in the field of computer security, namely, in the field of telecommunications products; rental of computer hardware and computer software; managing and operating wide area networks, namely computer network design services, computer consultation services, upgrading of computer software, computer systems analysis and computer engineering services; information, advisory and consultancy services in the field of software design relating to testing, programming, development and monitoring telecommunications systems and networks, computer hardware and software; website creation, maintenance and hosting, computer network design services; monitoring of telecommunications networks; integration of computer systems and networks providing user access to the Internet and world wide web