The APT was established by an international treaty titled Constitution of the Asia Pacific Telecommunity that was concluded in Bangkok on 27 March 1976 and came into force on 25 February 1979.

The APT is an intergovernmental organization and operates in conjunction with telecom service providers, manufacturers of communications equipment, and research and development organizations active in the field of communication, information and innovation technologies.

Through its various programmes and activities, the APT has made a significant contribution to the development and growth in the ICT sector.

The Constitution was open for signature at Bangkok from 1 April 1976 to 31 October 1976 and at the Headquarters of the United Nations in New York from 1 November 1976 to 24 February 1979.

2) It plays a very crucial role in balancing and synchronizing policies, regulations, and technical standards related to the ICT.

4) The organization also hosts working groups and forums to address specific issues such as spectrum management, policy, and standardization.

A state becomes a member of APT by ratifying the founding treaty, the Constitution of the Asia Pacific Telecommunity.