In an underground configuration housing for telecommunication devices, a mechanically stable housing, which is closed by a removable cover, has an installation located inside which supports at least one telecommunication device. The installation supporting the telecommunication devices is a pot-shaped container with a cylindrical insert positioned therein so as to form a gap therebetween. The container is sealed in water-proof fashion by a removable cover and the telecommunication devices are located inside of the cylindrical insert.