Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9118510 | Voice over network (VoN)/voice over internet protocol (VoIP) architect having hotline and optional tie line | Henry Kafka, Maria Adamczyk, Frederick Iffland, Anita Hogans Simpson, Stephen R. LaPierre +1 more | 2015-08-25 |
| 8948752 | System and method of providing IMS services to users on originating non IMS devices and other devices that do not have a previous relationship with the user | Steven A. Siegel, Siroos K. Afshar, Walter Cooper Chastain, Robert Epley, Arnold Chester McQuaide, Jr. +1 more | 2015-02-03 |
| 8767717 | System and method of providing IMS services to users on terminating non IMS devices | Steven A. Siegel, Siroos K. Afshar, Walter Cooper Chastain, Robert Epley, Arnold Chester McQuaide, Jr. +2 more | 2014-07-01 |
| 8477758 | Voice over network (VoN)/voice over internet protocol (VoIP) architect having hotline and optional tie line | Henry Kafka, Maria Adamczyk, Frederick Iffland, Anita Hogans Simpson, Stephen R. LaPierre +1 more | 2013-07-02 |
| 8472431 | System and method of providing IMS services to users on terminating non IMS devices | Steven A. Siegel, Siroos K. Afshar, Walter Cooper Chastain, Robert Epley, Arnold Chester McQuaide, Jr. +2 more | 2013-06-25 |
| 5550834 | Method and apparatus for providing | William J. D'Ambrogio, Wayne D. Phillips, Patricia D. Saleh, Barry S. Seip | 1996-08-27 |
| 5375124 | Method and apparatus for providing | William J. D'Ambrogio, Wayne D. Phillips, Patricia D. Saleh, Barry S. Seip | 1994-12-20 |