Method and apparatus for ensuring receipt of voicemail messages
US5710816A · kind A · utility
39Cited by
3References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 11, 1995 |
| Grant date | Jan 20, 1998 |
| Priority date | — |
| Expiry date | May 11, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04K1/00
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A messaging system in which a sender is able to receive certification of receipt of messages sent to a receiver that ensures that only the desired recipient gains access to the messages. Also, the messaging system sends between a sender and a receiver both encrypted communications and decryption information used to decipher the encrypted communications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.