Just for closure, I found the issue. Somehow in the upgrade the mod probe settings for wcte13xp module were lost. I added default_linemode = t1 to the Modprobe Settings under Dahdi Config in Freepbx and rebooted the server. All is well again.
Just for closure, I found the issue. Somehow in the upgrade the mod probe settings for wcte13xp module were lost. I added default_linemode = t1 to the Modprobe Settings under Dahdi Config in Freepbx and rebooted the server. All is well again.