M
Marian Croak
Researcher at AT&T
Publications - 183
Citations - 1515
Marian Croak is an academic researcher from AT&T. The author has contributed to research in topics: Voice over IP & Network packet. The author has an hindex of 16, co-authored 183 publications receiving 1515 citations.
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Patent
Method of providing seamless cross-service connectivity in telecommunications network
Sanjay Agraharam,Prasad Balagopalan,Marian Croak,Tom Evslin,Stephen M. Gurey,Ping Benjamin Hu,Ram S. Ramamurthy,Richard T. Roca,David Hilton Shur,Sandeep Sibal,Peter H. Stuntebeck,Roy Philip Weber,Aleksandr Zelezniak +12 more
TL;DR: In this article, the authors propose a registration process in which the recipient registers for such a service and provides to the translation server his or her actual e-mail address and associated telephone number.
Patent
Method and apparatus for dynamically calculating the capacity of a packet network
Marian Croak,Hossein Eslambolchi +1 more
TL;DR: In this paper, a method and apparatus for calculating the engineered capacity of a packet network is described, and an alarm is triggered if the actual network usage reaches a predefined threshold of the engineered capacities.
Patent
Method and apparatus for monitoring service usage in a communications network
Marian Croak,Hossein Eslambolchi +1 more
TL;DR: A method and apparatus for detecting abnormal calling activity in a communications network is described in this article, where usage data associated with at least one phone number is obtained from the communications network.
Patent
Method and apparatus for providing enhanced 911 for nomadic users
Marian Croak,Hossein Eslambolchi +1 more
TL;DR: In this article, a method and apparatus for providing a Global Positioning System (GPS) tracking device to be integrated with a VoIP endpoint device and a subscriber's current GPS positioning data to be associated with the subscriber's telephone number are disclosed.
Patent
Decomposed h.323 network border element for use in a voice-over-internet protocol network
TL;DR: In this paper, a decomposed H.323 border element is disclosed that is useful for providing an entry point from one or more SIP-based VoIP networks into a SIPbased network.