/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: SerhiyOsypchuk https://cdn.slidesharecdn.com/profile-photo-SerhiyOsypchuk-48x48.jpg?cb=1651057714 Main experience in support of telecommunication networks / elements and information systems, troubleshooting and resolving technical / client's incidents