My guess is this is leading up to a PR campaign where the industry will make a big deal about how seriously they are tackling the 'newly discovered' issue as an attempt to undercut a push for actual governmental oversight and regulation.
Source: https://readsludge.com/2018/06/11/today-net-neutrality-offic...
"Can you imagine?! Our CEO got a call that appeared to be from his golf buddy, so he interrupted some interview. Only, and here's the amazing part, it wasn't actually from his golf buddy! It turns out that some evil hackers have subverted the strong security of SS7 to place calls that appear to be from phone numbers assigned to other parties! We can fix this if we get a $1 payment from the VOIP provider every time we terminate a VOIP call."