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README.md

Telnyx-Python Simple Call Control Application

Telnyx

Sample application demonstrating Telnyx-Node Call Control functionality.

Pre-Reqs

You will need to set up:

What you can do

This app, when running has the following behavior for inbound and outbound calls:

Inbound:

  • Receives inbound callback
  • Answers the call
  • Speaks a sentence and waits for speak.ended callback
  • Ends the call

Outbound:

  • Makes the call to the specified number
  • On answer, speaks audio
  • Waits for speak.ended callback
  • Ends the call

Usage

The following environmental variables need to be set

Variable Description
TELNYX_API_KEY Your Telnyx API Key
TELNYX_NUMBER Your Telnyx Phone Number
TELNYX_CONNECTION_ID Your Telnyx Call Control Application ID
TELNYX_APP_PORT Defaults to 8000 The port the app will be served.

.env file

This app uses the excellent python-dotenv package to manage environment variables.

Make a copy of .env.sample and save as .env and update the variables to match your creds.

TELNYX_API_KEY=""
TELNYX_NUMBER=""
TELNYX_CALL_CONTROL_ID=""
TELNYX_APP_PORT=8000

Install

Run the following commands to get started

$ git clone https://github.com/d-telnyx/demo-python-telnyx.git

Run

Start the server python main.py

When the application is started, flask serves it to the port specified in the .env file (Default 8000), so you can sipmly take a look at the application at localhost:8000.

Note: You must enter phone number in E.164 format (i.e. +12345678910) for the call to be sent correctly.

Once everything is setup, you should now be able to:

  • Make calls to a specified outbound number
  • Receive an inbound call