Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9338191 | Session initiation protocol (SIP) message incorporating a number of predetermined address headers having predetermined address information | Harish Samarasinghe | 2016-05-10 |
| 9225749 | System and method for providing multi-media services to communication devices over a communications network | Harish Samarasinghe | 2015-12-29 |
| 8879542 | Method for providing local and toll services with LNP, and toll-free services to a calling party which originates the call from an IP location connected to a SIP-enabled IP network | Harish Samarasinghe | 2014-11-04 |
| 8787360 | Method and apparatus for processing multiple services per call | John Carl Brown, Koan S. Chong, Mark A. Ratcliffe, Harish Samarasinghe | 2014-07-22 |
| 8732248 | System and method for providing multi-media services to communication devices over a communications network | Harish Samarasinghe | 2014-05-20 |
| 8634412 | Session initiation protocol (SIP) message incorporating a multi-purpose internet mail extension (MIME) media type for describing the content and format of information included in the SIP message | Harish Samarasinghe | 2014-01-21 |
| 8363648 | Session initiation protocol (SIP) message incorporating a multi-purpose internet mail extension (MIME) media type for describing the content and format of information included in the SIP message | Harish Samarasinghe | 2013-01-29 |
| 8306019 | Method for providing local and toll services with LNP, and toll-free services to a calling party which originates the call from an IP location connected to a SIP-enabled IP network | Harish Samarasinghe | 2012-11-06 |
| 8255463 | System and method for providing multi-media services to communication devices over a communications network | Harish Samarasinghe | 2012-08-28 |
| 8165113 | Session initiation protocol (SIP) message incorporating a number of predetermined address headers having predetermined address information | Harish Samarasinghe | 2012-04-24 |
| 8121274 | Method and apparatus for processing multiple services per call | John Carl Brown, Koan S. Chong, Mark A. Ratcliffe, Harish Samarasinghe | 2012-02-21 |
| 8072970 | Post answer call redirection via voice over IP | Dominic Ricciardi, Harish Samarasinghe, Gautham Natarajan, James Ibezim, Martin Dolly | 2011-12-06 |
| 7948973 | Session initiation protocol (SIP) message incorporating a multi-purpose internet mail extension (MIME) media type for describing the content and format of information included in the SIP message | Harish Samarasinghe | 2011-05-24 |
| 7657015 | Method and apparatus for processing multiple services per call | John Carl Brown, Koan S. Chong, Mark A. Ratcliffe, Harish Samarasinghe | 2010-02-02 |
| 7567555 | Post answer call redirection via voice over IP | Dominic Ricciardi, Harish Samarasinghe, Gautham Natarajan, James Ibezim, Martin Dolly | 2009-07-28 |
| 7366163 | Method for providing local and toll services with LNP, and toll-free services to a calling party which originates the call from an IP location connected to a sip-enabled IP network | Harish Samarasinghe | 2008-04-29 |
| 7330483 | Session initiation protocol (SIP) message incorporating a multi-purpose internet mail extension (MIME) media type for describing the content and format of information included in the SIP message | Harish Samarasinghe | 2008-02-12 |
| 7254643 | System and method for providing multi-media services to communication devices over a communications network | Harish Samarasinghe | 2007-08-07 |
| 6611586 | System and method for edge switch query using advanced intelligent network protocol | James Ibezim, Barbara Joanne Kittredge, James J. Mansell | 2003-08-26 |
| 6526138 | System and method for edge switch query using advanced intelligent network protocol | James Ibezim, Barbara Joanne Kittredge, James J. Mansell | 2003-02-25 |
| 6377674 | Method for global title translation processing | Koan S. Chong, Mark A. Ratcliffe | 2002-04-23 |
| 5481603 | Intelligent call processing based upon complete identification of calling station | Franklin Gutierrez, Aruna Thirunagari, Joel K. Young | 1996-01-02 |