| 10237414 |
Methods, systems, and products for voice-over internet protocol calls |
Douglas M. Nortz, Kadangode K. Ramakrishnan, Charles Robert Kalmanek, Jr., Partho Mishra |
2019-03-19 |
$65,432,000 |
| 9942411 |
Methods, systems, and products for voice-over internet protocol calls |
Douglas M. Nortz, Kadangode K. Ramakrishnan, Charles Robert Kalmanek, Jr., Partho Mishra |
2018-04-10 |
$28,438,000 |
| 9762739 |
Methods, systems, and products for voice-over internet protocol calls |
Douglas M. Nortz, Kadangode K. Ramakrishnan, Charles Robert Kalmanek, Jr., Partho Mishra |
2017-09-12 |
$50,667,000 |
| 9277058 |
Methods, systems, and products for voice-over internet protocol calls |
Douglas M. Nortz, Kadangode K. Ramakrishnan, Charles Robert Kalmanek, Jr., Partho Mishra |
2016-03-01 |
$37,014,000 |
| 9112923 |
Method for performing lawfully-authorized electronic surveillance |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2015-08-18 |
$27,910,000 |
| 8873547 |
Method for performing gate coordination on a per-call basis |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2014-10-28 |
$14,621,000 |
| 8284911 |
Method for call forwarding without hairpinning and with split billing |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2012-10-09 |
$25,476,000 |
| 8249059 |
Method for performing gate coordination on a per-call basis |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2012-08-21 |
$24,263,000 |
| 8107479 |
Method and system for telephony and high-speed data access on a broadband access network |
Steven Michael Bellovin, Joseph Henry Condon, Richard Vandervoort Cox, Alexander Gibson Fraser, Charles Robert Kalmanek, Jr. +5 more |
2012-01-31 |
$36,628,000 |
| 7920542 |
Method and apparatus for providing secure voice/multimedia communications over internet protocol |
Harbir S. Brar, Koan S. Chong, Kevin B. Kealy, Israel Rosencrantz, Rachel Rosencrantz +1 more |
2011-04-05 |
$26,542,000 |
| 7778240 |
Method for performing gate coordination on a per-call basis |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2010-08-17 |
$29,282,000 |
| 7742467 |
Method for performing segmented resource reservation |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2010-06-22 |
$26,283,000 |
| 7711098 |
Method for call forwarding without hairpinning and with split billing |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2010-05-04 |
$47,332,000 |
| 7492886 |
Method for allocating network resources |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2009-02-17 |
$238,151,000 |
| 7305081 |
Method for exchanging signaling messages in two phases |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2007-12-04 |
$65,288,000 |
| 7289490 |
Method for performing gate coordination on a per-call basis |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2007-10-30 |
$57,645,000 |
| 7274662 |
Method for performing segmented resource reservation |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2007-09-25 |
$57,170,000 |
| 7245610 |
Method for performing gate coordination on a per-call basis |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2007-07-17 |
$126,269,000 |
| 7206397 |
Method for allocating network resources |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2007-04-17 |
$156,758,000 |
| 7151772 |
Method for performing lawfully-authorized electronic surveillance |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2006-12-19 |
$122,203,000 |
| 7035410 |
Method and apparatus for enhanced security in a broadband telephony network |
William A. Aiello, Steven Michael Bellovin, Charles Robert Kalmanek, Jr., Aviel D. Rubin |
2006-04-25 |
$46,986,000 |
| 7027581 |
Method for exchanging signaling messages in two phases |
Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2006-04-11 |
$24,826,000 |
| 6983040 |
Method for call forwarding without hairpinning and with split billing |
Charles Robert Kalmanek Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2006-01-03 |
$65,859,000 |
| 6915421 |
Method for establishing call state information without maintaining state information at gate controllers |
Charles Robert Kalmanek Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2005-07-05 |
|
| 6870845 |
Method for providing privacy by network address translation |
Steven Michael Bellovin, Charles Robert Kalmanek, Jr., Partho Mishra, Douglas M. Nortz, Kadangode K. Ramakrishnan |
2005-03-22 |
|