The format of Phonebook and Calendar entries is a text format. Entries can be send and receive through OBEX transfer.
The format is outlined below.
BEGIN:VCARD VERSION:2.1 N:Surname;Firstname TEL;VOICE;PREF:8036686 TEL;VOICE:+358718036686 TEL;VOICE:+358504836686 TEL;FAX:+358718036858 EMAIL:firstname.surname@nokia.com TITLE:Research Engineer NOTE:GSM END:VCARD
When you send this entry to the phone it will ask to save contact to the phone memory.
This is my own Calendar entry indicating that I have taekwondo training at 16:00 with alarm at 15:45, repeated weekly.
BEGIN:VCALENDAR VERSION:1.0 BEGIN:VEVENT UID:8 DESCRIPTION:Taekwondo DTSTART:20030407T160000 DTEND:20030407T170000 X-EPOCAGENDAENTRYTYPE:APPOINTMENT AALARM;TYPE=X-EPOCSOUND:20030707T154500;;0;CalenAlarmSound CLASS:PRIVATE DCREATED:20030407T000000 RRULE:W1 MO 20030708T000000 LAST-MODIFIED:20030716T164700 END:VEVENT END:VCALENDAR