Thank you for the information. I'll look into that further.
Hello I am making a little one-off Call Blocking Device based around NCID on a Raspberry PI. I'm so tired of robocalls to my landline. It currently works fine as is except for one thing -- the first ring is still audible. I've read that is due to the Caller ID data being sent between the first and second rings. So my question is, Does NCID have a way pre built to make it's own ringtone? That way I could set the ringer on the phone off/silence and just have NCID ring after it has determined if the...