Dial access switching interface for frame relay
US5999524A · kind A · utility
28Cited by
6References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 7, 1996 |
| Grant date | Dec 7, 1999 |
| Priority date | — |
| Expiry date | Jun 7, 2016 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04Q2213/13296
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A data communications system consists of a number of interconnected nodes forming a frame relay network. A user accesses the network by dialing in via a dial access server (DAS). The DAS-to-frame relay interface supports CCITT Recommundation Q.931 protocols for call control. A data link connection identifier (DLCI) for use in the DAS-to-frame relay network interface is provided in a Q.931 call establishment message.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.