Maintenance of the CERN telephone exchanges
Maintenance work on the CERN telephone exchanges will be performed on 10 July from 8 p.m. to midnight. During this intervention, the fixed telephone services, audioconference services and GSM calls made via the 333 prefix may be disrupted. However, the CCC and the fire brigade will be reachable at all times.
For more details about this maintenance work, please call the telephone switchboard on 76111 or send an e-mail.