Post, Telephone and Telegraph administration

Post, Telephone and Telegraph administration

(communications, company)
(PTT) One of the many national bodies responsible for providing communications services in a particular country. Traditionally, PTTs had monopolies in their respective countries. This monopoly was first broken in the USA, with the UK joining somewhat later. Currently the markets are being deregulated in Europe as well as other parts of the world.

Well-known PTTs include MCI, AT&T, and British Telecom.

Compare: telco.
References in periodicals archive ?
This ratio is often four or five to one, with the net settlement payments currently going to foreign post, telephone and telegraph administrations (PTTs) for handling inbound calls to their countries.