H323 Setup & Login to Avaya One-X Communicator


Process details how to setup H323 and log into Avaya One-X Communicator.


  1. Double click on the Avaya One-X Communicator icon on the desktop.

    • Avaya may try to Auto-discover settings.

  2. Leave all options unchecked on the Setup screen except Telephony Setup and click on Next.

  3. On the Setup screen, change the Using option from SIP to H.323 and click on Next.

  4. On the Setup > Telephony Setup screen, add the assigned DID Extension, which is an 11-digit number assigned to each personand the default Password. Default password is 123123.  

    NOTE: Numbers in below pictures are only meant for example purposes. Each employee will be assigned their own extension to use when setting up the softphone.

  5. Click on the Add button to add the Server List. Add the following to Server List: Click on Add again and add Server List:  Click on OK.

  6. Back on the Setup > Telephony Setup screen, it'll look like the below image.  Click on Next.

  7. On the Setup > Telephone Setup > Add Phones, leave everything blank and click on Next.

  8. On the Setup > Telephone Setup > Select phone for placing and receiving calls, select This Computer and click on Next.

  9. On the Setup Complete screen, click on the Finish button and the setup will close.

  10. Relaunch Avaya One-X Communicator.  Verify the Extension / Password values and that Place and receive calls using is set to This Computer.  Click on Log In.

  11. The Avaya One-X Communicator connection is complete. Minimize the window and don’t log out until the end of your shift.

Revision History

Date Created: 01/27/2021 12:49 pm EST
Last Modified: 01/27/2021 12:49 pm EST