“telecommunication service” means service of any description (including electronic mail, voice mail, data services, audio text services, video text services, radio paging and cellular mobile telephone services) which is made available to users by means of any transmission or reception of signs, signals, writing, images and sounds or intelligence of any nature, by wire, radio, visual or other electromagnetic means;
The scope of the term ‘telecommunication service’ is so vast that it covers services starting from the landline facility for making calls, text messages, voice messages, communication through media such as WhatsApp, Skype, etc., to services provided by Gmail, yahoo, etc.