We do not use the drivers phones to send the SMS messages, that is against the T&C's of most mobile networks policies on automated text messaging.

Our text messages are sent through an authorized and permitted route outside of the drivers devices. Of course, you are welcome to just copy and paste the numbers and send messages direct manually, we have already enabled in the driver app the option to click the customers phone number and click "Send SMS" which would use the drivers SMS app than through the API.

However, any SMS that is automated by Gazoop is and does go through an authorized route which does not use the drivers SIM Card.

You can find more information on the cost of sending SMS Messages here.