Parallel- and serial-type telephone systems refer to the way telecommunication devices route data. This can affect the way you set up multiple equipment on a single telephone socket. It's of ...

Photogrammetry is a great way to produce accurate 3D models of real objects. A turntable is often a common tool used in this work as it helps image an object from all angles. [Peter Lin] wanted a way ...

We started out with an old modem and ended up with a useful circuit to convert phone audio to regular line audio. This little hack is useful for those of us wanting to record Voip telephone calls for ...

August 14, 2006 We’re predicting that Danish company RTX’s new wireless phone jack is going to be a huge best seller. The Wireless PHONEJack provides a simple, cost effective method for getting a ...

When we make a telephone call in 2020 it is most likely to be made using a smartphone over a cellular or IP-based connection rather than a traditional instrument on a pair of copper wires to an ...

The big PSTN switch-off is due in 2027 which means that the old copper PSTN phone network will stop supporting telephone calls. Digital Voice (using VoIP technology – Voice over Internet Protocol) ...