Maintenance of the telephone exchange in building 40
In order to secure the power supply of the telephone exchange in Building 40, maintenance work will be done on 18th December from 7.30 am to 8 am. During this intervention, the fixed telephone services in Building 39 and 40 will be interrupted. The fixed telephone services in other CERN buildings will not be affected by this maintenance. The mobile telephone services (GSM) will not be affected. For more details, please send your questions to Standard.Telephone@cern.ch
Telecom Services IT/CS