hmm.. Try with SMS Server Tools 3xx or 2xx. System only need to upload the files only to outgoing folder. default of outgoing folder is /var/spool/sms/outgoing you can change outgoing folder to your htdocs like /var/www/sms in smsd.conf if you use linux as web server. Warmnest Regards, ----- Original Message ----- From: Muthu Ranjani To: php-objects@xxxxxxxxxxxxxxx Sent: Tuesday, January 13, 2009 8:46 PM Subject: Request Sir, How Can I write a program to Send SMS from System to mobile using GSM mobile instead of any ThirdParty SMS gateway like "Ozeki" etc.? Can anybody help me? [Non-text portions of this message have been removed] [Non-text portions of this message have been removed]