| Clue | Source | Date |
|---|---|---|
| Phone connections that aren't mobile | ||
| Cell ancestors | Newsday | 17 Sep 2023 |
| House phones | USA Today | 25 Mar 2023 |
| Disappearing phone connections | Thomas Joseph | 20 May 2021 |
| Policies underpinning secure comms network | ||
| Nonwireless phones | USA Today | 15 Jun 2020 |
| Noncellular phones | Thomas Joseph | 04 Jan 2018 |
| Traditional phone connections | Thomas Joseph | 27 Apr 2017 |
| Cell alternatives | ||
| Grounded connections? | ||
| Noncellular phones | ||
| Alternatives to mobile phones | ||
| Transcontinental wires |