With artillery support from its neighbor Laudrefang, Téting held out against German bombardment during the Battle of France in 1940.

Téting was completed at a cost of 11 million francs by the contractor Générale des Travaux Publics.

[1] The petit ouvrage[nb 1] was to be expanded in a second phase with an 81mm mortar turret and a separate entrance block.

Blocks 1 and 2 are linked by deep underground galleries, which also provide modest space for barracks, utilities and ammunition storage.

Covering fire from the 81mm mortars of Laudrefang prevented the Germans from directly assaulting Téting.