You need to be a regd member of www.smsgatewaycenter.com. Install this simple plugin and start sending bulk sms. This gateway only supports India.
This plugin allows to add SMS feature on Woocommerce after order created.
Send SMS to any Indian number from any country.To start Recharge or request for First Free 25 Credits via Support
Enable to Administrators to send SMS to their registered Users via WebSMS Arsys Spanish Provider. Only you need to select a Meta Variable from a User.
Connects to an SD SMS Master and can install and configure slaves and phones, create and monitor orders.