The February issue of “RTI” is online. The edition highlights the special coverage “Cabos drop”, on page 24, presenting the innovations of the manufacturers and the main points that must be considered in the specification of the cables, thus guaranteeing the quality of the services provided to the subscriber, without risk of interruptions. See on page 44 the article “SIP protocol Introduction”, showing that Session Initiation Protocol - SIP provides an additional interface for system integration for security products. Standard open interfaces are required by system integrators, developers, and end users. Furthermore, on page 60, the article “Demystifying safe-rooms and safe rooms - Part 1”, published in two parts, detailing the requirements in a simplified way in order to demystify this market, where Brazilian and international standards regulate the processes of testing and certification of walls and doors fire-fighting of secure rooms and safe rooms. This issue brings also the updated “Products/solutions for data centers - Infrastructure”, “IP links for ISPs - Internet service providers” and “VoIP - Products and services” buyers’ guides.