Configuring Linphone with Telnyx

In this article we will walk you through how to configure Linphone with the Telnyx Mission Control Portal.

Telnyx Sales avatar
Written by Telnyx Sales
Updated over a week ago

Linphone is an open source VoIP softphone SIP client that supports audio and video calls through VoIP softswitches or IP-PBX. It also allows for instant messaging. Since it was launched in 2001, it has become very popular, especially within the open source community.

For Linphone documentation, see:

Instructions for Configuring Linphone with Telnyx


  • Have already created a credentials-based connection on your Telnyx Mission Control Panel account, have assigned this connection to a DID and outbound profile in order to make or receive calls

Video Walkthrough

Coming soon! Check back frequently as we are updating our documentation.

1. Configuring your Linphone

  1. Run your Linphone Softphone and follow the instructions on the wizard.

  2. Once Linphone is up and running, click on the ACCOUNT ASSISTANT option.

    Linphone softphone account assistant wizard 2.
  3. From the Assistant screen, click on USE A SIP ACCOUNT.

    Linphone softphone account assistant wizard 2.
  4. Fill in the form with the following information where:

    1. Username: Your auth username for the SIP connection in your portal.

    2. Display Name: Your name or company name. When creating a display name, consider that:

      1. It should be in CAPITAL LETTERS, as this is more clearly visible on some devices

      2. It cannot contain special characters (such as, but not limited to @, $, *, &)

      3. It should have a max of 15 characters, as some providers will not show more than 15 characters.

      4. Spaces are allowed

    3. SIP Domain:

    4. Password: The auth password for the SIP connection in your portal

    5. Transport: UDP or TCP

    SIP Account credentials form.

  5. Click on the USE button.

Your Linphone should now be ready to make calls.

Note: To make outbound calls, Telnyx requires either a valid caller ID from your device or a caller ID override enabled on your SIP connection. Please view our caller ID number policy for information on enabling a caller ID override from within the Telnyx portal.

2. Configuring your Linphone with Encryption

  1. Follow steps 1-4 of section 2.1 with the following exceptions:

    1. In the SIP Domain field, append port 5061 to the end of the server address (i.e.:

    2. In the Transport field, select TLS.

      Linphone encryption configuration interface.
  2. Click on the top right menu and select Preferences.

    Linphone encryption configuration interface 2.
  3. Click on the Call and Chat tab and enable SRTP.

    Linphone encryption configuration interface 3.

Additional Resources

Review our getting started guide to make sure your Telnyx Mission Control Portal account is set up correctly.

Additionally check out:

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