Always use the latest version unless you have having problems with it and please report all issues to firstname.lastname@example.org.
As a Tenfold admin, you can access the latest version by going to the Tenfold admin dashboard and select phone type “Tenfold Softphone”. There will be a link to download the softphone on this page.
If you need to download the Tenfold Softphone outside the setup wizard, you can use the links below.
Mac (not working yet)
64 bit – https://s3.amazonaws.com/callinize-softphone/windows/jitsi-with-callinize-plugin-220.127.116.11-x64.exe
32 bit – https://s3.amazonaws.com/callinize-softphone/windows/jitsi-with-callinize-plugin-18.104.22.168-x86.exe