Method and apparatus for automatic redialing of telephone numbers
US5136637A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1990 |
| Grant date | Aug 4, 1992 |
| Priority date | — |
| Expiry date | Jun 22, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/2747
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
Method and apparatus for capturing and saving recently dialed telephone numbers and for redialing automatically a telephone number from among the most recently dialed telephone numbers. Embodiments of the present invention: (a) capture an outgoing telephone number when it is dialed by a caller; (b) enter the telephone number into a database comprised of the last N telephone numbers that were dialed, where N is a predetermined number of telephone numbers, while eliminating duplicative entries for a particular telephone number; (c) display the telephone numbers in the directory in response to caller input; and (d) cause a telephone number in the directory to be redialed in response to caller input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.