3 ms·
AT&T built one as well, the WT4/WT4A system. https://archive.org/details/bstj56-10-1829 https://archive.org/details/bstj56-10-1829
by Aloha 5y ago
AT&T built one as well, the WT4/WT4A system.
https://archive.org/details/bstj56-10-1829 https://archive.org/details/bstj56-10-1829