Security Considerations for Voice Over IP Systems (PDF 99P)
Security Considerations for Voice Over IP Systems (PDF 99P)
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
This book provides a collection
of 15 excellent studies of Voice over IP (VoIP) technologies. This book
introduces research strategies that address various issues with the aim of
enhancing VoIP quality.
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.
This note covers the following topics: protocol
overview, components, H.225, RAS , Q.931, H 235V2 security, H 323 & firewalls,
sccpskinny, RTP and RTCP,SIP, sample sip session, request methods, request
headers, replies, SDP and SIP fire
This note covers
the following topics: current state of the art in Internet Telephony, key
protocols involved in VoIP and their roles in this new technology, limitations
of current VoIP technology, key factors influencing the growth of Internet
telephony services for global communications.