Demo Call with Telnyx WebRTC

This documentation demonstrates how to set up, place, and receive demo calls using Telnyx WebRTC on Mobile (Android/iOS) and Web platforms.

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• Sign in to your Telnyx account.
• Navigate to Numbers → Search & Buy Numbers.
• Select and purchase a phone number suitable for voice calls. (You will use this number as Caller ID.)

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• Go to Voice → SIP Connections in Telnyx Mission Control Portal.
• Click Add SIP Connection and select Credentials-based authentication.
• Choose your desired Username and Password.

• Assign an Outbound Voice Profile to the connection.
• Assign a Number to the connection (set in step 1).
• Configure Push Credentials for inbound call notifications:
  • Use one of the public certificates provided by Telnyx for testing push notifications (available for iOS and Android).

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• Android Demo App
• iOS Demo App

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• Open your downloaded demo app.
• Go to Profiles.
• Create a new profile by entering your SIP Username and Password (set in step 2).
• Save the profile.

• Select and activate your newly created SIP profile in the app.
• Establish your initial connection to register your device with Telnyx. (Required to enable push notifications.)

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• Enter the destination number in E.164 format (e.g., +12345678900) within the app.
• Tap the call button to initiate your call.

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• After the first successful connection, incoming calls to your Telnyx number trigger push notifications.
• Accept incoming calls directly from notifications.

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• (Follow same steps as Mobile—Part A, Step 1.)

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• (Follow same steps as Mobile—Part A, Step 2, but skip push credentials, not required for web.)

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• Open the Telnyx WebRTC Web Demo: https://webrtc.telnyx.com/
• Register your web client with the following information:
  • Username: Your SIP Username (configured in step 2).
  • Password: Your SIP Password (configured in step 2).
  • Call Number: Your Telnyx phone number in E.164 format (+12345678900).
  • Caller Name: (Optional) Enter your preferred caller name or leave blank for the default name.

Once successfully registered, you can make and receive calls directly in your browser.

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• Enter the destination phone number in E.164 format.
• Click "Call" to initiate your call.

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• Incoming calls to your Telnyx number appear as notifications in your web app.