The Telephone Exchange
British Telecom documentary about the past and future of telephone exchanges and switches.
| Release Date | January 1, 1982 | |
|---|---|---|
| Status | Released | |
| Original Title | The Telephone Exchange | |
| Runtime | 22min | |
| Budget | — | |
| Revenue | — | |
| Language | English | |
| Original Language | English | |
| Production Countries | United Kingdom | |
| Production Companies | Pacesetter ProductionsBritish Telecom | |