Sorry, mentioned Sequans VZ22M EZLinkLTE Module (Colibri = low cost LTE-only) is from the side of the Global Certification Forum (GCF) unidentified, AFAIK. As stated, it is certified compliant with Verizon Wireless Open Network specifications.
And, it is just an self replacement (alternative) modem, to be proofed by those interested in Wi-Fi Calling within Verizon (on any platform and eventually even on Librem 5). Anyway, it is much more about Gnome effort to support Wi-Fi Calling from any carrier like it was already brought here: