sundance-communications.com/forum Forums TDM Business Telephone Systems Avaya - Lucent Telephones & Systems Avaya softphone Logon screen pop up

When on a call users are saying that the softphon logon screen will pop up. The call is still active but when they close the logon screen it will disconnect the call. Other applications running on that machine that are connected to our server are working so I cannot figure out what is going on.