• WordPress SMS ( Send SMS on various events like new wordpress user registration, login, new post notification sms, new blog comment notification sms etc.)
• BuddyPress SMS 
• WooCommerce SMS ( New order, Order Status update, Woocommerce OTP checkout sms etc.)
• Gravity Forms SMS
• Quform SMS
• Easy Digital Downloads SMS
• WP Job Manager SMS

More Features:

1. Can send SMS to customer on various events like new order notification, status change notification etc.
2. It's multivendor supported woocommerce plugin
3. You can set different status message on different delivery status
4. It's completely free you have to just purchase sms from Greenweb Bangladesh.
5. It supports OTP system you can send otp sms during new order, user registration or login.
6. You can send sms notification from quform, easy download manager, awesome support, gravity form or buddypress on various events.
7. We have added bangla instructions on setup page
8. Supports both Bangla & English SMS

Features:

• Send New Order SMS Notification to your open cart customer.
• Send New Order SMS Notification to your store admin.
• Send Order Status update sms notification to your open cart customer.

Instructions:

• Download the extension from the above link
• Upload the "grenweb_opencart.zip" file on your open cart root directory
• Extract the zip file
• Visit your open cart admin panel->Extension-> Modules -> You will see "Greenweb SMS" Module here. Click Install button and click on the "pencil" icon to edit settings.
• Click Gateway Setup and give your token, add admin mobile number one by one. Do not use +88 here just enter admin number using 01xxx format
• Click SMS Setup and setup it as per your requirements