Avaya Billing Softaware SIMPTEL
hi guys,
i just wanted to ask if anyone has an idea of the billing system i have used, SIMPTEL SOFTWARE, co'z i am facing one problem after i made OS update on my PC where its was installed. from windows 8 to Windows 10, and now its saying Invalid Licences, i couldn't open my call report
. only if anyone has an brilliant idea on it. 
i just wanted to ask if anyone has an idea of the billing system i have used, SIMPTEL SOFTWARE, co'z i am facing one problem after i made OS update on my PC where its was installed. from windows 8 to Windows 10, and now its saying Invalid Licences, i couldn't open my call report
. only if anyone has an brilliant idea on it.
