| 5426773 |
Communication controller allowing continued communication through an X25 network and an SNA network in the event of an SNA session failure |
Anne Chabanet, Jean-jacques Chartreux, Eric Lebrun, Alain-Marcel Rey |
1995-06-20 |
| 5235639 |
Programmable communication controller line adapter and method for programming line adapter |
Denis Chevalier, Jean Gallian, Michel Geneste, Patrick Massi |
1993-08-10 |
| 4975914 |
Non-disruptive session recovery |
James L. Ashton, Robert Gibbs, Michael F. Gierlach, James P. Gray, Jeffrey G. Knauth +2 more |
1990-12-04 |
| 4918687 |
Digital packet switching networks |
Lionel A. Bustini, Andre Cretegny, Gerard Marmigere, Pierre Secondo |
1990-04-17 |
| 4907277 |
Method of reconstructing lost data in a digital voice transmission system and transmission system using said method |
Paul Callens, Claude Galand, Robert Vermot-Gauchy |
1990-03-06 |
| 4764955 |
Process for determining an echo path flat delay and echo canceler using said process |
Claude Galand |
1988-08-16 |
| 4751730 |
Process and system for improving echo cancellation within a transmission network |
Claude Galand |
1988-06-14 |
| 4607363 |
Buffer device for a voice transmission network |
Pierre Secondo, Sylvain Wiest |
1986-08-19 |