Enter your credentials.
Click on the "Admin" button in the lower left side of the screen.
Click on the "Voice & Chat" tab from the dashboard.
Click on or select the three dot icon to edit your Voxtelesys SIP Trunk.
Click on the "SMS" tab.
Copy the Webhook.
Go to the Voxtelesys Portal and enter your credentials.
Click on the "APIs" tab, then select "Messaging Applications" from the drop-down menu.
Click on the "Create Application" button.
Click on "Save" when you are finished.
Click on the "APIs" tab, then select "Keys" from the drop-down menu.
Click on the "Create Key" button.
Copy the API Key you created.
Click on the "Phone Numbers" tab, then select "Numbers" from the drop-down menu.
Select the pencil icon under actions.
Click on "Confirm" when you finished adding SMS to this phone number.