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Architecture to support service features for wireless calls in a wireless telecommunication system |
Young-fu Chang, Michael F. Dolan, Chung-Zin Liu, John P. Menard, Jin Young Yang |
2006-06-13 |
| 6683871 |
Internet protocol telephony |
Chinmei Chen Lee, Werner Ulrich |
2004-01-27 |
| 6147986 |
Address updating of wireless mobile terminal hosts affiliated with a wired network |
— |
2000-11-14 |
| 5608729 |
Method and apparatus for providing two-way data communication cover a widely distributed network |
— |
1997-03-04 |
| RE32900 |
Fast circuit switching system |
— |
1989-04-04 |
| 4817082 |
Crosspoint switching system using control rings with fast token circulation |
— |
1989-03-28 |
| 4524440 |
Fast circuit switching system |
— |
1985-06-18 |
| 4521880 |
Time-slot interchanger for fast circuit switching |
— |
1985-06-04 |
| 4484324 |
Control information communication arrangement for a time division switching system |
— |
1984-11-20 |