No specific info about version 1.3. Please visit the main page of TekENUM on Software Informer.
You can cheap international calls directly from your desktop computer.
TekSIP is a SIP Registrar and SIP Proxy for Windows.
ENUMresolver works on Windows 2008/Vista/XP/2003/2000.
TekPhone is a SIP VoIP Softphone that provides UA agent functions.
TekIVR is a SIP Interactive Voice System (IVR) runs under Windows.
It's a program that can help you to view the MICR models.