From the EOL notice.
"OBi200, OBi202 and OBi212 devices may continue to work after the end of service date, but they will not be able to get added to the Google Voice service after December 18, 2023. OBi200, OBi202 and OBi212 devices registered prior to the End of Engineering Support date won't be able to be provisioned via OBiTALK after the December 18, 2023 and can only be managed and provisioned locally (manually)."