Avaya One-X Communicator for Windows Installation Instructions

This installation requires the user be connected on OU Campus or connected through the OU VPN.   

Step 1. Download the Avaya One-X Communicator installation Zip file from: and save it to any convenient location on your local PC.  Extract the software to any convenient directory.  

Step 2. Open the Avaya one-X Communicator Suite file.

Window folder showing install file 

 Step 2-1.  At the Choose Setup Language screen select English and Next.

Installer Setup language step 

2-2.  At the Welcome screen choose Next.

Installer Welcome wizard step 

2-3.  Accept the License Agreement and choose Next.

Installer License Agreement step 

2-4.  Choose Custom Setup Type and choose Next.

Installer Custom option step 

2-5.  Select ONLY Avaya one-X Communicator and select Next.

Installer Custom option step with Avaya One X Communicator selected 

2-6.  Choose the default Destination Folder or choose your own, then select Install.

Installer Choose Destination folder step 

2-7.  Select Finish when the installation completes.

Installer Installing Package percentage completion step screen 

Install Complete message step 


Step 3. Configure your Avaya one-X Communicator client to connect to the OU Norman Avaya Call Servers.

3-1.  Open the Avaya one-X Communicator from the Start Menu.

Windows menu screenshot 

3-2.  At the Setup Menu select Next.

Setup menu screen 

3-3.  Choose H323 and select Next.

Telephone setup screen withH323 selected 

3-4.  Fill in your 5 digit phone number and password (obtained by calling OU Norman Telecom at 405325-7777) and select Add.

Setup with five digit phone number entered 

3-5. Add the IP address of the Call Server “” and select OK.

Add Server screen with enterer 

3-6. Then Choose Next when your Setup screen has the Extension, Password, and Server List complete.

Setup screen with phone password entered

3-7. At Add Phones select Next.

Add phones menu screen 

3-8. At Select phone for placing and receiving calls select “This Computer” and choose Next.

Select phones with This Computer selected 

3-9. Choose Enable Emergency Call Handling Feature and your extension number and select Next.

Enable emergency call handling selected 

3-10. Select Finish at Setup Complete.

Setup complete message 

Step 4. Reopen Avaya one-X Communicator from the Start Menu.

Windows menu screen 

4-1. Open the General Settings Menu from the Settings Wheel (Top right corner):

Avaya login screen 

4-2. In Telephony, uncheck Enable Video Calls.

Telephony menu Enable Video Calls unchecked 

4-3. Open Dialing Rules and fillout to look like this: 

Do not enter the anything in the “Your area/city code” leave it blank.

Menu with nothing entered in the Your area/city code field 

4-4.  Choose Preferences to fit your environment.  But make sure that “Automatically login if possible when application starts” is checked.  For questions on this setup page contact OU Norman Telecom at 405-325-7777.

Preferences with Automatically login if possible when application starts checked 

4-5. In Network, specify the UDP/TCP ports to Low 5000, High 5299. (You can’t be logged in to make this change.)

Network tab with the UDP/TCP ports to Low 5000, High 5299 

4-6.  In Audio, Basic Tab, set your Audio to match your system.  The test button can be used to check the speaker function.  The Ring on incoming calls allows you to hear the ring in your head set and your PC speakers simultaneously. Then choose OK.

Audio Basic tab with set your Audio to match checked 

Step 5. Login to your Avaya one-X Communicator.

Avaya one-X login menu 

If you get this warning, choose Yes to login and override your office desk phone.

Existing login detected warning prompt 

If you get this warning, Disable Video Calling (uncheck and select OK):

Video Calling Not Available with Disable Video Calling unchecked 


5-1.  Initial Screen.  Your 5 digit extension will show in the “Call as” box.  Hover your mouse over the various icons to find “Show Dial Pad” and click on it.

One-X menu screen

One-X number pad menu screen

If this is a phone used for a Call Center and you login as an agent you will login the same as from your desk phone except there is no auto-in button. Instead of having this button you must dial #64. Below are some feature codes you can use also if you prefer instead of selecting the button. Note: If you get a busy when trying to login as a Call Center agent then you are already logged in, logout and the try logging in again.

Aux Work Access Code: #65

Login Access Code: #55

Logout Access Code: #66


How to dial:

Dial phone numbers by typing in the number in the “Enter name or number” box, or by using the mouse and pointing and clicking the individual digits on the number pad shown above.  Note: When using the number pad and dialing off campus, you MUST start with an 8 just like at your desk phone.  But the “Enter name and number” entry MUST NOT start with the eceding “8” and will fail if you use it.

5-2.  To change to call from a bridged extension. Choose the drop down at the “Call as”:

One-X number pad menu screen with call number examples 

5-3. Then choose “Place Call” to go off hook:

One-X number pad menu screen with place call button selected 


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Article ID: 2461
Mon 5/17/21 10:07 AM
Wed 6/16/21 4:20 PM