I have a Google Calendar synchronized with Sunbird. Is there any possibility to set the SMS notification when I add an event via Sunbird?
Google Calendar and SMS reminder
google calendar;sms
On you google calender  go to settings -> calender settings - > calenders -> Notifications and set up a default reminder for sms this should do as you want it to.http://www.google.com/support/calendar/bin/answer.py?answer=37079