42 Computer services, namely, design and integration of voice, data, video, video conferencing and teleconferencing systems and networks and computer network hardware systems; technical consulting and engineering in the fields of voice, data, video, video conferencing and teleconferencing systems and networks and computer network systems; testing and diagnostics of voice, data, video, video conferencing and teleconferencing systems and networks and computer network systems; providing information in the fields of voice, data, video, video conferencing and teleconferencing systems and networks and computer network systems, excluding pricing and cost information; installation, maintenance, repair and updating of computer software used for voice, data, video, video conferencing and teleconferencing systems and networks and computer network systems; technical support services, namely, troubleshooting of voice, data, video, video conferencing and teleconferencing hardware and software problems via telephone, e-mail, postings on global computer networks, in person and remote access, none of the foregoing in the field of alarm systems