International Organization for Standardization (ISO), schedule
ISO/IEC 29341-6-14:2008 Information technology – UPnP Device Architecture –
Part 6-14: Heating, Ventilation and Air Conditioning Device Control Protocol –
Setpoint Schedule Service
European Telecommunications Standards Institute (ETSI), schedule
ETSI TR 102 334-2004 Telecommunications and Internet converged Services and Protocols for Advanced Networking (TISPAN); vCard and vCalendar on fixed network for PSTN/ISDN (V1.1.1)