Patents Awarded

SIP

Differentiated handling of SIP Messages for VoIP Call Control.
China Patent ZL 200410092916.0. Co-inventors : D. Kandlur, P. Pradhan. Oct '06

 

802.11

Network-layer enforcement of differentiated connectivity for public wireless Internet access. China Patent ZL02828494.1. Co-inventors : J. Gomez-castellan, Y. Ko, C. Bisdikian, M.C. Rosu, A. Misra. July '07

 

MPLS

A method and apparatus for content-aware web switching.
US Patent US Patent 7209977. Co-inventors : A.A. Shaikh, D. C. Verma, R. Tewari. Apr '07.

Storage Networks
Virtualization of ISCSI Storage.
US Patent 6,934,799. Co-inventors : Khalil Amiri (Imperial College, UK), Aug 2005

 

IP Security

Validation of network communication tunnels.
US Patent 6,829,709. Co-inventors : R. Sailer, R. B. Jennings, D. C. Verma, M. S. Beigi. Dec 2004.

 

Mobile Wireless Networks

Handoff control for point to multipoint connections in mobile ATM networks.
US Patent 6,643,279. Co-inventors : J. Li. Nov 2003.

 

Handoff method for an ATM wireless network wherein both the switch and the mobile buffer cells and the mobile controls when the handoff will occur.
US patent 6,023,461. Co-inventors : J. Li, D. Raychaudhuri. Feb 2000.

 

Handoff-control technique for wireless ATM.
US patent 5,974,036. Co-inventors : J. Li, D. Raychaudhuri, R. Yuan, S. K. Biswas. Oct 1999.

 

IP Switching

System and method for transferring IP packets using fast ATM cell transport.
US patent 6,343,326 Co-inventors : R. Dighe. Jan 2002.

 

Method for Internet Protocol switching over fast ATM cell transport.
US patent 5,903,559. Co-inventors : R. Dighe. May 1999.

Patents Filed

SIP/ VoIP/ IM/ Presence

A METHOD FOR MONITORING SIP CALL-FLOWS BY TRACKING MESSAGE TRANSFORMATION.
Co-inventors : N. Banerjee, K. Dasgupta. Filed Jun 07.

 

A METHOD AND APPARATUS FOR AUTONOMICALLY REGULATING RATIO OF STATEFUL TO STATELESS TRANSACTION PROCESSING FOR INCREASING SCALABILITY IN A NETWORK OF SIP SERVERS.
Co-inventors : V. Balasubramaniyan and M. Ahamad, Filed : Apr '07.

 

A METHOD AND APPARATUS FOR CLASSIFICATION OF SIP MESSAGES.
Co-inventors : E. Nahum, J. M. Tracey, X. Wang, C. P. Wright, Z. Xiao. Aug '06. Filed

 

METHOD AND APPARATUS FOR PROVIDING CONTEXTUAL INFORMATION WITH TELEPHONE CALLS
Co-inventors : D. C. Verma, Z. Y. Shae, E. H. Stern. M. Ebling. Filed : Jan 2005.

 

METHOD AND APPARATUS FOR INTEGRATING WEARABLE DEVICES WITHIN A SIP INFRASTRUCTURE
Co-inventors : Stefan Berger, Chandra Narayanaswami Filed : Aug 2004

 

SIP BASED VOIP MULTIPLAYER NETWORK GAMES
Co-inventors : Aameek Singh
Filed : Feb 2004

SYSTEM AND APPARATUS FOR GEOGRAPHICALLY DISTRIBUTED VOIP CONFERENCE SERVICE WITH ENHANCED QOS

Co-inventors : R.N. Chang, Z. Shae, D. D. Kandlur. Filed : Oct 2003

 

 

ENABLING COLLABORATIVE APPLICATIONS USING SESSION INITIATION PROTOCOL (SIP) BASED VOIP NETWORKS.

Co-inventors : A. Singh, P. Mahadevan, Z. Shae, D.D. Kandlur. Filed : Oct 2003

 

 

METHOD, SYSTEM AND SERVICE FOR ACHIEVING SYNCHRONOUS COMMUNICATION RESPONSIVE TO DYNAMIC STATUS.

Co-inventors : E.H. Stern, Z. Shae, J. E. Christensen, R. Williams. Filed : Jan 2004

 

 

 

 

A METHOD AND APPARATUS FOR PROVIDING QUALITY OF SERVICE TO VOIP OVER 802.11 WIRELESS LANS

Co-inventors : Z. Shae, D. D. Kandlur. Filed : Nov 2003

 

 

Wireless Mesh Networks

A METHOD AND SYSTEM FOR EFFICIENT AND RELIABLE MAC-LAYER MULTICAST WIRELESS TRANSMISSIONS
Co-inventors : Archan Misra. Filed : Nov 2004

MPLS

NETWORK ROUTE CONTROL.
Co-inventors : A. A. Shaikh, D. Saha. Filed : Oct 2003

 

Service Discovery

DYNAMIC SERVICE DISCOVERY.
Co-inventors : J. Rubas, Y. Ko, S. Berger, N. Lee. Filed : Jan 2002