4 36) communications provider means a telecommunications operator, corporate subscriber or other party that conveys electronic communications for other than personal or comparable customary private purposes; 37) communications service means a service consisting either completely or primarily of transmitting messages in a communications network, and of transfer and transmission service in a mass communications network; 38) communications network device means a device designed for use in transferring or routing messages in a communications network; 39) communications network means a system comprising cables and devices joined to each other for the purpose of transmitting or distributing messages by wire, radio waves, optically or by other electromagnetic means; 40) traffic data means information associated with a legal or natural person used to transmit a message and information on the call sign of a radio station, on the type of radio transmitter or the user of the radio transmitter, and on the starting time, duration or transmission site of a radio transmission; 41) corporate or association subscriber means an undertaking or organisation which subscribes to a communications service or an added value service and which processes users’ messages, traffic data or location data in its communications network; 42) public telephone service means a communications service used to make and receive national and international calls using a number in a national or international numbering plan; 43) public communications network means a communications network used to provide communications services to a set of users that is not subject to any prior restriction. PART II TELECOMMUNICATIONS SUBJECT TO NOTIFICATION AND LICENCING Chapter 2 Telecommunications Subject to Notification Section 4 A telecommunications operator’s obligation to notify A telecommunications operator submits an electronic notification to the Finnish Communications Regulatory Authority (Ficora) before commencing operations, if it engages in: 1) general telecommunications (telecommunications notification); 2) other than television broadcasting subject to a licence, if the service provider is established in Finland (broadcasting notification); 3) video-on-demand audiovisual services, if the service provider is established in Finland (notification of video-on-demand audiovisual services); and 4) linear pay-television services in terrestrial digital mass communications network using a protection decoding system (pay-television service notification). The notification duty referred to in subsection 1 does not apply to public telecommunications that is temporary in nature or otherwise of minor significance.