Hanging On The Phone - British Telecom Documentary 2001
28:10
AT&T Archives: The Phone Boom of the 1950s
17:12
BT Educational Service - call routing from UK to Australia
58:00
The Mobile Revolution
56:31
The Dirty Mobile Phone Industry | Investigative Documentary
16:19
End of an Era | BT Heritage
44:53
Philips: The Deep Fall of Europe's Tech Giant | Inside the Storm | FD Finance
25:46
Secret Life Of Machines - The Telephone (Full Length)
24:03