"Transmission of documents via telephone wires is possible in principle, but the apparatus required is so expensive that it will never become a practical proposition."
Dennis Gabor, British physicist
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| Number | Title | Issue Date |
| 5181236 | Automatic call returning method for call distributor with message record capability A method of automatically returning calls to callers (18) who have recorded a message in an ACD mail (22C) controlled message bin (22D) of a voice response unit (22) in response to a stored announcement in an announcement table (22B) selected in accordanc... | 01/19/1993 |