@option is-branch
@pkgpath telephony/asterisk/19,-calendar
@so lib/asterisk/modules/res_calendar.so
@so lib/asterisk/modules/res_calendar_caldav.so
@so lib/asterisk/modules/res_calendar_ews.so
@so lib/asterisk/modules/res_calendar_exchange.so
@so lib/asterisk/modules/res_calendar_icalendar.so
