I'll be interested to know how it turns out. I guess the only thing I haven't been able to explain is why they were working before and now they're not

I've actually found with the ramtel call boxes the alt-battery command does help some (goes from not working to works most of the time). For the price of the ring boosters we can buy call boxes that don't require an abnormal amount of voltage like a ...

Sorry, I need to correct myself. I got to thinking about how I tested current and realized I had hooked it up wrong. I just retested the off hook current, and the VG224 puts out 22ma standard, 25ma with the alt-batter, and ATT puts out 26ma. So still...