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PSTN Products

GAOTek provides a large collection of superior quality and feature-rich public switched telephone network devices for sale to the United States, Canada and Globally. Public telephone networks (PSTN) were denoted as plain old telephone systems (POTS). They are a collection of individual telephones that are hardwired to a public exchange. GAOTek’s PSTN consist of xDSL testers, phone line testers, E1 testers, and PSTN analyzers and they are international telephone systems that can supply analog voice data with the help of copper wire.

Functions of PSTN

xDSL testers offer full testing and analysis of ADSL/ADSL2/ADSL2+ lines with quick and accurate precision. It also covers network layer, physical layer, and application layers. These devices are used in the installation, maintenance, and troubleshooting of the xDSL networks.

GAOTek's phone line testers are specifically designed to detect the digital or analog phone systems and line polarity in a phone line. Also these devices can help regarding installation of telecom systems, the connection of PC to telecom systems, or maintenance of your system.

E1 testers are specifically manufactured for R&D, production, installation, and maintenance of SDH, PDH, PCM and DATA protocol conversion. They are mainly used to test data connections between two stations.

PSTN analyzers are instruments that are widely used by professionals for the installation and maintenance of telecom networks. They can be used to verify and test the quality of a wide range of links and networks such as frame ray links, WAN and ISDN lines, PRI, and BRI.

GAOTek's PSTN analyzers are the devices which are commonly used by experts for the installation and maintenance of telecom networks.


GAOTek's PSTN testers and analyzers are perfectly suited for fast problem resolution, E1 PCM line access, maintenance, and acceptance testing as they are portable, user-friendly and they also have a long-lasting battery life which can sustain up to long hours. These devices have pre-installed software which can be upgraded anytime with the use of USB or RS232C. It provides smart menu navigation and high-resolution LCD screen that allows test result to be displayed clearly and the user can also print or download the result via software.

Applications and Industries

PSTN devices are mainly used in the production, troubleshooting, and maintenance of xDSL networks and telecom networks.

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