Here is SMS sending windows software for dual sim mobile. Its basically QMobile phone suit.
This application work for Qmobile almost all models. You can try your luck with your other phone.
1. Select Inbox and press this button to read all the SMS from mobile:
2. Now click Configrations:
3. Here you can select your SIM card which you want to use for SMS sending.
Here is the download link:
http://www.mediafire.com/?rsx0iootbe3l4zi
1. Select Inbox and press this button to read all the SMS from mobile: