The German language version (<a href="https://de.wikipedia.org/wiki/Drahtwort" rel="nofollow">https://de.wikipedia.org/wiki/Drahtwort</a>) of this article has interesting examples of this URL-for-telegrams, like noting that if you wanted to send a telegram to Die Metallpatronen AG stellte die Parabellumpistole, the manufacturers of the Luger pistol you'd address it to "parabellum".