Tuomas Eerola has updated the series 60 version of SMS Assistant to v.1.00. It answers incoming calls and SMS messages automatically with predefined SMS messages.
SMS ASSISTANT FOR SERIES 60 V1.00
Frustrated because of not being able to answer your incoming calls or messages? SMS Assistant is the solution. SMS Assistant for Series 60 is an "out of office assistant" for Series 60-based smartphones. SMS Assistant sends your predefined message automatically to people calling you or sending messages to you. You can concentrate on your work or favourite hobby without having to think about people trying to reach you. Please uninstall any earlier SMS Assistant before installing this version.
Get it from here: