Trunkkürzel
Trunkkürzel is a German term that translates to "trunk abbreviation" or "trunk shortcut." It refers to a technique used in telecommunications, particularly in older analog telephone systems, to optimize the use of trunk lines. A trunk line is a communication channel that connects two switching centers or exchanges. Trunkkürzel was a method to reduce the number of digits a user needed to dial to reach an extension within a private branch exchange (PBX) or a connected network.
Instead of dialing the full number, users would dial a shorter, pre-assigned code, the Trunkkürzel. This code
The implementation of Trunkkürzel often involved specific signaling protocols. When a user dialed the Trunkkürzel, the