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David Grabelsky

Hewlett-Packard

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Publication

Featured researches published by David Grabelsky.

Archive | 2003

IP-based enhanced emergency services using intelligent client devices

David Grabelsky; Michael Homeier; Anoop Tripathi; Boby Joseph

Archive | 2001

System and methods for providing instant services in an internet protocol network

David Grabelsky; Anoop Tripathi; Michael Homeier; Michael S. Borella

Archive | 2003

System, mobile communications unit, and softswitch method and apparatus for establishing an Internet Protocol communication link

David Grabelsky; Anoop Tripathi; Guanglu Wang

Archive | 2003

Method and system for providing directory based services

David Grabelsky; Anoop Tripathi; Michael Homeier; Sudhakar Ramakrishna

Archive | 2009

Method and apparatus for PSTN-based IP active call recovery and re-routing

David Grabelsky; Michael Homeier

Archive | 2010

System and Methods for Providing Presence Services In IP Network

David Grabelsky; Anoop Tripathi; Michael Homeier; Guanglu Wang

Archive | 2008

Method and System for Network Based Call-Pickup

Anoop Tripathi; David Grabelsky; Guanglu Wang

Archive | 2002

Method and apparatus for providing transaction capabilities application part information in a session initiation protocol system

Guanglu Wang; Michael Homeier; Anoop Tripathi; David Grabelsky

Archive | 2002

Providing instant services in internet protocol network

David Grabelsky; Anoop Tripathi; Michael Homeier; Michael S. Borella

Archive | 2003

System and method for network based policy enforcement of intelligent-client features

David Grabelsky; Anoop Tripathi; Michael Homeier; Guanglu Wang

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Anoop Tripathi

Hewlett-Packard

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Michael Homeier

Hewlett-Packard

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Guanglu Wang

Hewlett-Packard

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Michael S. Borella

DePaul University

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