Each such endpoint must have a unique number within the public switched telephone network.

Interconnect agreements are found both in the public switched telephone network and the Internet.

This is because for most intercontinental communication the Internet shares the same infrastructure as the public switched telephone network.

The device was acoustically, but not electrically, connected to the public switched telephone network.

The United Kingdom adopts an open dialling plan for area codes within its public switched telephone network.

This is known as the public switched telephone network or PSTN.

TWX used the public switched telephone network.

The history of mobile phones charts the development of devices which connect wirelessly to the public switched telephone network.

The signal is then sent on to the public switched telephone network (PSTN).

Similar to one-way terrestrial return, satellite Internet access may include interfaces to the public switched telephone network for squawk box applications.

Public switched telephone networks.

In the public switched telephone network, telephone exchanges are located in a central office (CO).

Over several decades, Erlang's work stimulated the use of queuing theory, and applied probability in general, to engineer the public switched telephone network.

Russian public switched telephone network (PSTN) has specific features.

The structure of the numbering system of the public switched telephone network is geographic, with number portability, as follows:

All modern aspects of the public switched telephone network (PSTN) are computer-controlled.

Also required is a call management function and a gateway to the public switched telephone network (PSTN).

Each phone has an extension, and multiple phones share lines to the public switched telephone network (PSTN) outside.

The public switched telephone network (PSTN) supports the traditional telephone system.

It is a private public switched telephone network (PSTN) operator in Bangladesh.

Most of the exchanges in the world are connected to each other, forming the public switched telephone network (PSTN).

The verification center will then route the call to the Public Switched Telephone Network, which completes the call.

The public switched telephone network (PSTN) is designed to accommodate the offered traffic intensity with only a small loss.

IPKall is a public switched telephone network to voice over IP call forwarding service.

Ground stations maintain usage and billing data and function as gateways to the public switched telephone network and the Internet.