Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10348781 | Method and apparatus for enabling registration of aggregate end point devices through provisioning | Steven A. Siegel, Leticia Johnson, Nancy E. Lambros, Ricardo E. Sabat | 2019-07-09 |
| 9854005 | Methods and apparatus for providing network based services to non-registering endpoints | Min Lu, Leticia Johnson, Mark A. Ratcliffe | 2017-12-26 |
| 9686326 | Method and apparatus for enabling registration of aggregate end point devices through provisioning | Steven A. Siegel, Leticia Johnson, Nancy E. Lambros, Ricardo E. Sabat | 2017-06-20 |
| 9571528 | Method and apparatus for providing network based services to non-registering endpoints | Min Lu, Leticia Johnson, Mark A. Ratcliffe | 2017-02-14 |
| 9379914 | Method and system for implementing aggregate endpoints on IMS networks | Min Lu, Saul Daniel Fishman, Gerald L. Hoover, Mark A. Ratcliffe, Tienyu Chiu +4 more | 2016-06-28 |
| 9288657 | Control domain change based on network registration condition | Min Lu, Walter Cooper Chastain, Judith C. Espejo, Russell P. Sharples, Guang Wang +1 more | 2016-03-15 |
| 9160772 | Method and apparatus for enabling registration of aggregate end point devices through provisioning | Steven A. Siegel, Leticia Johnson, Nancy E. Lambros, Ricardo E. Sabat | 2015-10-13 |
| 9137839 | Control domain change based on network registration condition | Min Lu, Walter Cooper Chastain, Judith C. Espejo, Mario Manuel Jardon, Russell P. Sharples +1 more | 2015-09-15 |
| 9083793 | Method and apparatus for providing network based services to private branch exchange endpoints | Min Lu, Leticia Johnson, Stephanie Parlamas | 2015-07-14 |
| 8812700 | Method and apparatus for providing network based services to non-registering endpoints | Min Lu, Leticia Johnson, Mark A. Ratcliffe | 2014-08-19 |
| 8611344 | Method and apparatus for providing multi-homing to an aggregate endpoint device | Steven A. Siegel, Leticia Johnson, Nancy E. Lambros, Ricardo E. Sabat | 2013-12-17 |
| 8406183 | Method and apparatus for enabling registration of aggregate end point devices through provisioning | Steven A. Siegel, Leticia Johnson, Nancy E. Lambros, Ricardo E. Sabat | 2013-03-26 |
| 8072970 | Post answer call redirection via voice over IP | Dominic Ricciardi, Harish Samarasinghe, Gautham Natarajan, Robert Yaeger Peters, Jr., James Ibezim | 2011-12-06 |
| 7804818 | Method for maintaining signaling history in a Voice-over-Internet-Protocol (VoIP) network | Neela R. Atluri, Frederick Murray Burg, Lauraine M. Schalk-Pizza | 2010-09-28 |
| 7567555 | Post answer call redirection via voice over IP | Dominic Ricciardi, Harish Samarasinghe, Gautham Natarajan, Robert Yaeger Peters, Jr., James Ibezim | 2009-07-28 |
| 6205557 | Redundant call processing | Koan S. Chong, Andrew R. Jacob, Carolyn Roche Johnson, Wonseok Lee, David Lewis +2 more | 2001-03-20 |