Apparatus and method for providing existing telephone switching equipment with the capability of using the SS7 protocol
US4853955A · kind A · utility
75Cited by
4References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 27, 1988 |
| Grant date | Aug 1, 1989 |
| Priority date | — |
| Expiry date | Apr 27, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q3/0016
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
The invention relates to upgrading existing telephone central offices which utilize electromechanical or electronic switching equipment incapable of using the SS7 protocol. In particular, it relates to providing the switching equipment with the capability of controlling the connection, management, and disconnection of telephone circuits using Signaling System Number 7, a national and international standard set of protocols for providing such circuit control and providing and receiving information via the SS7 protocol for enabling enhanced service in the switching equipment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.