Well, I can confirm in my case it's not the caller ID string, my work DDN only displays the 9 character number. So unless it's the reverse name look-up feature that my provider uses... I'm still new to this at the moment. Still looking & learning.
I recently purchased a SPA112 myself & I've discovered a very similar issue.Inbound calls from my work (VoIP system) cause SPA112 to ring once. The ATA immediately drops the call and loses ethernet/internet. The device is unresponseive until it is re...