fixed connection
The term "fixed connection" was used in telecommunication technology and also in the connection technology of electrical devices. In telecommunications, the leased line connected the subscriber terminal to a network node. If two fixed connections were interconnected to form a fixed connection, then it was a dedicated line that could be used for various telecommunication services. Leased lines had a switching device with an analog or digital switching point and enabled group 1 and 2 leased lines. Direct callingoffered similar operating options.