Login to Twilio Console, navigate to "All products | DEVELOPER TOOLS | Runtime", and select "TwiML Bins".




Click "Create". Enter name, ie. "DualShield-Telephone-Oneway".


Enter the TWIML as below.

<?xml version="1.0" encoding="UTF-8"?>
<Response> 

<Say voice="alice" language="{{LANG}}" loop="2">{{MSG}}</Say>

</Response>





Click "Create" to save the configuration.



Copy the URL address, it is the value for "twilio_handler_url" in DualShield Gateway setting.