Hanging On The Phone - British Telecom Documentary 2001
28:10
AT&T Archives: The Phone Boom of the 1950s
58:48
Jeremy Clarkson - Inventions That Changed the World - Telephone (Rus sub)
56:31
The Dirty Mobile Phone Industry | Investigative Documentary
17:12
BT Educational Service - call routing from UK to Australia
58:00
The Mobile Revolution
19:26
The Post Office Tower of London | BT Heritage
46:33
The Price of Privatization (2021)
25:46