Scientific and technological engineering services in the fields of telecommunications; monitoring of computer software; providing cloud-based services, namely, development and testing of communications and collaboration applications; providing online non-downloadable software applications in the field of managing voice, video and data communications; providing cloud-based services, namely, access to virtual hardware, software, and data storage services in a virtual environment; providing a cloud-based laboratory environment; designing, supporting, and managing communications systems, local area and wide area networks, data processing centres, and video conferencing networks; design, implementation, installation, management and maintenance of local and wide area networks, and virtual private networks