IMPLEMENTASI TEKNOLOGI VOIP DAN e-JABBER MEMANFAATKAN INFRASTRUKTUR JARINGAN KOMPUTER (WIFI)

SMK Ketintang Surabaya has had internet network infrastructure, but its usage is not maximum specifically for using local line as alternative media to communicate freely. VoIP (Voice Over Internet Protocol) technology  is used as communication line that are not paid (free) and open source can provide a cheaper communication alternative solution. This technology  is able to pass voice traffic, video and data in the form of packets over an IP network. Chatting system is a system that is used for conversation among computers in a network so that the system will be very efficient and economical. This chatting system uses Jabber application (open source) to communicate via online among internet/intranet users. Merging VoIP technology that uses Asterisk and chatting technology with ejabber can be used to support the activities of employees or students in SMK Ketintang Surabaya. In addition, this technology can shorten the time in communication among departments in SMK Ketintang Surabaya, especially SMK Ketintang Surabaya that has not had IP phone at each department. So communication among sections or among students can occur as efficiently and economically as possible in SMK Ketintang Surabaya environment can be achieved. Keywords: VoIP implementation, Application Jabber, Free communication media