42 Computer system design, namely, custom design of computer systems for allowing companies to communicate with their customers over the web, PSTN and other networks; installation of computer programs, namely, of computer programs for cloud based customer interaction management, for allowing companies to communicate with their customers over the web, PSTN and other networks; installation of computer software, namely, of computer software for cloud based customer interaction management, for allowing companies to communicate with their customers over the web, PSTN and other networks; providing information, advice and consultancy services in connection with computer software, namely, in connection with computer software for customer interaction management, allowing companies to communicate with their customers over the web, PSTN and other networks; technical project studies, namely, technical project planning and design engineering of computer systems for allowing companies to communicate with their customers over the web, PSTN and other networks; rental of computer hardware and software; rental of web servers; creating and maintaining websites for others; design of homepages and websites for client relationship management (CRM); design, creation, customizing, launch and maintenance of websites for others, namely, of website for client relationship management (CRM); hosting of computer websites, namely, hosting websites for client relationship management (CRM); providing online non-downloadable computer programs for cloud based customer interaction management, namely, for allowing companies to communicate with their customers over the web, PSTN and other networks, in data networks; design and development of computer hardware and software, namely, custom design and development of computer hardware and software for allowing companies to communicate with their customers over the web, PSTN and other networks; consultancy on designing homepages and other pages on the internet, namely, homepages and other Internet pages for client relationship management (CRM); and maintenance of computer software, namely, of computer software for allowing companies to communicate with their customers over the web, PSTN and other networks; installation of computer programs, namely, of computer programs for allowing companies to communicate with their customers over the web, PSTN and other networks; server hosting services, namely, rental and maintenance of memory space for use as websites for others; rental of computer software for cloud based customer interaction management, namely, for allowing companies to communicate with their customers over the web, PSTN and other networks; maintenance of computer software for cloud based customer interaction management, namely, for allowing companies to communicate with their customers over the web, PSTN and other networks