The Cherenkov Telescope Array (CTA, http://www.cta-observatory.org/) consortium celebrates the kick-off meeting of the Central Calibration Facilities (CCF) work-package, since its creation in May 2013. The meeting deals with the three topics of which the CCF is responsible: Calibration of the telescope cameras, Inter-telescope calibration and Atmospheric calibration. About 25 participants will report about the respective status of calibration designs and prototypes, and common guidelines and system requirements on precision and calibration updates will be agreed upon during the meeting. This is first of a series of meetings of the group, to be held every 6 months from now on.