Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9913300 | Push-to-talk-over-cellular (PoC) | Ravi Ayyasamy, Gorachand Kundu, Brahmananda R. Vempati, Harisha M. Negalaguli, Shiva Cheedella +8 more | 2018-03-06 |
| 9883357 | Radio access network (RAN) aware service delivery for Push-to-talk-over-Cellular (PoC) networks | Gorachand Kundu, Brahmananda R. Vempati, Ravi Ayyasamy, Ramu Kandula, Harisha M. Negalaguli | 2018-01-30 |
| 9775008 | System and method for elastic scaling in a push to talk (PTT) platform using user affinity groups | Ramu Kandula, Brahmananda R. Vempati, Harisha M. Negalaguli, Pratap Chandana | 2017-09-26 |
| 9775179 | Method to achieve a fully acknowledged mode communication (FAMC) in push-to-talk over cellular (PoC) | Ravi Ayyasamy, Brahmananda R. Vempati | 2017-09-26 |
| 9549298 | Push-to-talk functions associated with a rotary knob | Ardsley Pihl Congdon, Jr., Brahmananda R. Vempati, Ravi Ayyasamy, Pratap Chandana, Gregory James Morton | 2017-01-17 |
| 9510165 | Push-to-talk-over-cellular (PoC) service in heterogeneous networks (HETNETS) and multimode small cell environments | Brahmananda R. Vempati, Ravi Ayyasamy, Harisha M. Negalaguli, Ramu Kandula, Bibhudatta Biswal | 2016-11-29 |
| 9485787 | Method to achieve a fully acknowledged mode communication (FAMC) in push-to-talk-over-cellular (PoC) | Ravi Ayyasamy, Brahmananda R. Vempati | 2016-11-01 |
| 9462427 | System and method for elastic scaling using a container-based platform | Ramu Kandula, Brahmananda R. Vempati, Harisha M. Negalaguli, Pratap Chandana | 2016-10-04 |
| 9137646 | Method and framework to detect service users in an insufficient wireless radio coverage network and to improve a service delivery experience by guaranteed presence | Gorachand Kundu, Harisha M. Negalaguli, Kandula Ramu, Ravi Ayyasamy | 2015-09-15 |
| 9088876 | WiFi interworking solutions for push-to-talk-over-cellular (PoC) | Harisha M. Negalaguli, Brahmananda R. Vempati, Shiva Cheedella, Arun Velayudhan, Raajeev Kuppa +5 more | 2015-07-21 |
| 8958348 | Hybrid push-to-talk for mobile phone networks | Ravi Ayyasamy, Gorachand Kundu, Basem A. Ardah, Anand Narayanan, Brahmananda R. Vempati +1 more | 2015-02-17 |
| 8676189 | Converged mobile-web communications solution | Bruce D. Lawler, Brahmananda R. Vempati | 2014-03-18 |
| 8670760 | Converged mobile-web communications solution | Bruce D. Lawler, Ravi Ayyasamy, Harisha M. Negalaguli, Binu Kaiparambil, Shiva Cheedella +2 more | 2014-03-11 |
| 8498660 | Enhanced group calling features for connected portfolio services in a wireless communications network | Bruce D. Lawler, Ravi Ayyasamy, Harisha M. Negalaguli, Basem A. Ardah, Gorachand Kundu +5 more | 2013-07-30 |
| 8478261 | Predictive wakeup for push-to-talk-over-cellular (POC) call setup optimizations | Brahmananda R. Vempati, Pratap Chandana, Anand Narayanan, Ravi Ayyasamy, Bruce D. Lawler +5 more | 2013-07-02 |
| 8369829 | Prepaid billing solutions for push-to-talk in a wireless communications network | Narasimha Raju Nagubhai, Ravi Shankar Kumar, Ravi Ayyasamy | 2013-02-05 |
| 8036692 | Brew platform enabling advanced voice services (AVS) including push-to-talk, push-to-conference and push-to-message on wireless handsets and networks | Ravi Ayyasamy | 2011-10-11 |
| 7853279 | Advanced features on a real-time exchange system | Giridhar K. Boray, Ravi Ayyasamy, Gorachand Kundu | 2010-12-14 |
| 7813722 | Enhanced features in an advanced voice services (AVS) framework for wireless communications systems | Bruce D. Lawler, Giridhar K. Boray, Brahmananda R. Vempati | 2010-10-12 |
| 7787896 | Dispatch service architecture framework | Gorachand Kundu, Ravi Ayyasamy | 2010-08-31 |
| 7764950 | Advanced voice services architecture framework | Vyankatesh Shanbhag, Ravi Ayyasamy, Stephen R. Horton, Shan Jen Chiou | 2010-07-27 |
| 7738896 | Subscriber identity module (SIM) enabling advanced voice services (AVS) including push-to-talk, push-to-conference and push-to-message on wireless handsets and networks | Vyankatesh Shanbhag, Anand Narayanan | 2010-06-15 |
| 7738892 | Architecture, client specification and application programming interface (API) for supporting advanced voice services (AVS) including push to talk on wireless handsets and networks | Ravi Ayyasamy | 2010-06-15 |
| 7689238 | Architecture and implementation of closed user groups and limiting mobility in wireless networks | Deepankar Biswas, Giridhar K. Boray, Gorachand Kundu | 2010-03-30 |
| 7403775 | Roaming gateway for support of advanced voice services while roaming in wireless communications systems | Gorachand Kundu, Ravi Ayyasamy, Basem A. Ardah | 2008-07-22 |