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Steven A. Siegel

AT&T

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Publication

Featured researches published by Steven A. Siegel.

Archive | 2013

System and method of providing IMS services to users on terminating non IMS devices

Steven A. Siegel; Siroos K. Afshar; Walter Cooper Chastain; Robert V. Epley; Karen M. McCourt; Arnold Chester McQuaide; Leopold Strahs; Maria Adamczyk

Archive | 2007

Methods and Apparatus for User Persona Management

Steven A. Siegel; Siroos K. Afshar

Archive | 2014

Network servers, systems, and methods for multiple personas on a mobile device

Douglas Scott Ring; Yakun Gao; Karen Mullis; Steven A. Siegel; Scott Steinbrueck

Archive | 2012

CENTRALIZED CONTROL OF USER DEVICES VIA UNIVERSAL IP SERVICES REGISTRAR/HUB

Steven A. Siegel; Reuben Klein; Leopold Strahs

Archive | 2009

Method and apparatus for processing a call to an aggregate endpoint device

Steven A. Siegel; Nancy Lambros; Leopold Strahs

Archive | 2008

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 V. Epley; Karen M. McCourt; Arnold Chester McQuaide; Leopold Strahs

Archive | 2008

SYSTEM AND METHOD OF PROVIDING REGISTRATION ALERT IN AN IMS SYSTEM

Steven A. Siegel; Siroos K. Afshar; Leopold Strahs

Archive | 2013

Method and apparatus for sharing a single data channel for multiple signaling flows destined to multiple core networks

Stephanie Parlamas; Dennis Duffy; Leticia Johnson; Steven A. Siegel

Archive | 2008

SYSTEM AND METHOD OF PROVIDING A USER WITH A REGISTRATION REVIEW IN IMS SYSTEM

Steven A. Siegel; Siroos K. Afshar; Leopold Strahs

Archive | 2009

Method and apparatus for network based fixed mobile convergence

Dennis Duffy; Daniel Guyette; Myranda Johnson; Stephanie Parlamas; Steven A. Siegel

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Leopold Strahs

AT

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Siroos K. Afshar

AT

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Karen Mullis

AT

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Reuben Klein

AT

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Nancy Lambros

AT

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Stephanie Parlamas

AT

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Dennis Duffy

AT

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Leticia D. Johnson

AT

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Larry B. Pearson

AT

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Leticia Johnson

AT

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