23.0403GPPRelease 17Technical realization of the Short Message Service (SMS)TS
A vCalendar object  can be integrated in a Extended Object IE with the following structure:
Octet 8..n vCalendar object as defined in . The UTF-8 encoding is used instead of the default 7-bit ASCII. For certain vCalendar properties, other encoding can be used by setting the CHARSET property parameter to the appropriate character set.