Security Considerations for Voice Over IP Systems (PDF 99P)

Practical Voice Over IP Lecture notes

This note is to make you understand what Voice over IP (VoIP) systems are, their basic architectures, and the underlying protocols and provides a basis for your own research and development in this area.

Author(s): G. Q. Maguire Jr

429 Pages

Voice over Internet Protocol (VoIP) The Dynamics of Technology and Regulation (PDF 166P)

This note covers the following topics: technology and regulation, voip classification and the regulatory challenges, methodology the system dynamics standard method, system dynamics model for calea, calea background, calea causal loops, Calea stock and flow, model analysis and policy lessons for Calea.

Author(s): Chintan Vaishnav

166 Pages

Security Considerations for Voice Over IP Systems (PDF 99P)

This document is published by National Institute of Standards and Technology, this covers the following: Overview of VOIP, VOIP Equipment,  Quality of Service Issues, Overview of VOIP Data Handling ,Cost, Privacy and Legal Issues with VOIP, VOIP Security Issues,Speed and Quality,  H.323,  SIP Gateway Decomposition,  Firewalls, Address Translation, and Call Establishment,  Encryption and IPsec,  Solutions to the VOIPsec Issues,  Planning for VOIP Deployment, VOIP Risks, Threats, and Vulnerabilities.

Author(s): D. Richard Kuhn, Thomas J. Walsh, Steffen Fries

99 Pages

Voice over IP Protocols and Standards (PDF 20P)

This paper first discusses the key issues that inhibit Voice over IP (VOIP) to be popular with the users. This document discuss the protocols and standards that exist today and are required to make the VOIP products from different vendors to interoperate. The main focus is on H.323 and SIP (Session Initiation Protocol), which are the signaling protocols. We also discuss some hardware standards for internet telephony.

Author(s): Rakesh Arora

20 Pages