So I recently set up an SPA112 for my parents on their new UFB connection. Mum uses an analog DECT phone with a headset to make phone calls, but she is complaining of the dial tone being unusually loud, uncomfortably so.
The SPA112 has a billion options and I don't know what most of them do - would any of them alter dial tone volume? Headset is already on lowest volume.
Okay, so that's an invalid value. After a bunch of experimentation, it turns out it needs a second tone on the end. All values without a second tone caused a beeping dial tone with an "invalid" call state on the information page.
Here's what I have now, modified from the 2talk value: 400@-15;30-15(*/0/1)
Also, I, uh, can't tell the difference. I bumped the -dbm to 15 on both tones and it still sounds the same.