The telegraph troops created in Prussia in 1830 within the New Prussian engineer battalions were established as a separate corps in 1899, which subsequently became the Signal Corps of the Wehrmacht and Waffen SS.
Its year of formation was 1899 and its peacetime locations were in Coblenz the former Boelcke Barracks and, from 1914, Darmstadt as well.
At the beginning of the First World War additional signal elements were established from the 9 telegraph battalions and 8 fortress signal companies that belonged to the transport troops.
Due to the tactical changeover to trench warfare, from 1915 all telegraph units were renamed as army signal units (‚‘Armee-Fernsprechabteilungen‘‘) and were divided into elements that operated the existing communications network and elements responsible for the maintenance of communications and construction of new communication links.
In trench warfare, cable communications were often cut by the continual barrage of enemy fire.
In addition, special optical signal sections were established.