Adtran T1 PRI to FreePBX

Yes! please share ANY link to firmware or firmware you may be willing to share.
I have not been able to find any yet.
And I will keep local copies if I ever obtain them.

Even with new firmware it will not change much, web interface will be the same and as limited as right now.

You are better off selling it for $100+ on eBay and get yourself more useful toy