Send Picture SMS

Question

Hi EveryBody, I am developing C# application to send sms pc to mobile through GSM Modem. I can send text Message through PDU Mode. I want to send picture Message. I have read in article, First we have to convert image into OTA format. This is a link to convert image into OTA http://www.codeproject.com/KB/smart/Nokia_OTA_Picture_Message.aspx How to convert this OTA file to PDU and send SMS? Please provide me suggestions or links. Any help would be appreciated.