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 
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 IP by Dr. Aaron Solomon
This note covers the following topics: IP Telephony, Transporting Voice by Using IP,Session Initiation Protocol (SIP), IETF Structure and Internet Standards Process, SIP-based VoIP Lab, Socket Programming--Traceroute, IPv6 Socket Programming, UDP Socket Programming, Waveform Function.
Author(s): Dr. Aaron Solomon
NA 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
Security Issues and Countermeasure for VoIP (PDF 33p)
This paper focuses on these VoIP specific security threats and the countermeasures to mitigate the problem. At first, this paper gives a brief introduction of VoIP techniques: the network structure, network components, protocols and standards, data handling procedures, quality of service requirements, etc. Secondly, the paper discusses the VoIP specific security threats using the principle of CIA (Confidentiality, Integrity and Availability). The countermeasure to mitigate these threats is also discussed.
Author(s): Jianqiang Xin
33 Pages
