SMS Gateway is a service that allows you to send messages by programming through your phone by using API service.
To integrate it into your Yuso environment :
1- Create an account on SMS Gateway and configure your phone.
2- On your back office, go to "Preferences> Company> Communication> SMS settings"
3- Check "Enabling sms" and then choose as "SMS provider" SMS Gateway.
4- Finally, fill in information about SMS Gateway account and click "Add".