Maintenance of the CERN telephone exchanges
Maintenance work will be carried out on the CERN telephone exchanges between 8 p.m. and midnight on 20 November. Fixed-line telephone and audioconference services may be disrupted while the work is being carried out. However, the CCC and the fire brigade will be contactable at any time. Mobile telephony services (GSM) will not be affected by the maintenance work.
For further details about the maintenance work, please contact the telephone switchboard on 76111 or by email to standard.telephone@cern.ch.