As of 1st January 2018, the Telecom Lab will be closed during one hour at lunch time, between 12:30 and 13:30. The new opening hours are:
Monday-Friday: 8:30-12:30 and 13:30-17:30
http://cern.ch/gsm/
Telecom Lab / IT-CS Group
Phone: 77777 (Service Desk)
labo.telecom@cern.ch
Location: 600/R-010