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Basic Demo

This is a basic server application that consumes audio from Twilio Media Streams.

It's a good starting point to develop your own application logic.

App sever setup

Installation

Requires Java >= v1.8

Running the server

mvn compile && mvn exec:java

Setup

You can setup your environment to run the demo by using the CLI (BETA) or the Console.

Configure using the CLI

  1. Find available phone number twilio api:core:available-phone-numbers:local:list --country-code="US" --voice-enabled --properties="phoneNumber"

  2. Purchase the phone number (where +123456789 is a number you found) twilio api:core:incoming-phone-numbers:create --phone-number="+123456789"

  3. Start ngrok ngrok http 8080

  4. Edit the src/main/resources/templates/twiml.mustache file to replace <ngrok url> with your ngrok host.

  5. Make the call where +123456789 is the Twilio number you bought and +198765432 is your phone number and abcdef.ngrok.io is your ngrok host. twilio api:core:calls:create --from="+123456789" --to="+198765432" --url="https://abcdef.ngrok.io/twiml"

Configure using the Console

  1. Access the Twilio console to get a <TWILIO-PHONE-NUMBER>.
  2. Run the server (listening on port 8080)
  3. Use ngrok to make your server publicly available: ngrok http 8080
  4. Edit the twiml.mustache file in the /src/main/resources/templates/ directory and add your ngrok URL as wss://<ngrok url>/voice
  5. Run the curl command in order to make the proper call curl -XPOST https://api.twilio.com/2010-04-01/Accounts/<ACCOUNT-SID>/Calls.json -d "Url=http://<ngrok url>/twiml" -d "To=<PHONE-NUMBER>" -d "From=<TWILIO-PHONE-NUMBER>" -u <ACCOUNT-SID>:<AUTH-TOKEN>