The circuit presented here can be used for connecting two telephones in parallel and also as a 2-line intercom. Usually a single telephone is connected to a telephone line. If another telephone is ...

The best multi-line phone system is the 12-line Nextiva X-885, offering helpful features for small and medium-sized businesses like HD call quality, large LCD color display, and serious value at price ...

Equipping your business with a phone system rather than a multitude of single-line phones can improve office communication and increase productivity. However, they can be confusing -- especially in ...