This book gives a detailed overview of SIP specific security issues and how to solve them While the standards and products for VoIP and SIP services have reached market maturity, security and regulatory aspects of such services are still being discussed. SIP itself specifies only a basic set of security mechanisms that cover a subset of possible security issues. In this book, the authors survey important aspects of securing SIP-based services. This encompasses a description of the problems themselves and the standards-based solutions for such problems. Where a standards-based solution has not been defined, the alternatives are discussed and the benefits and constraints of the different solutions are highlighted. Key Features: <ul>
<li> Will help the readers to understand the actual problems of using and developing VoIP services, and to distinguish between real problems and the general hype of VoIP security </li> <li> Discusses key aspects of SIP security including authentication, integrity, confidentiality, non-repudiation and signalling </li> <li> Assesses the real security issues facing users of SIP, and details the latest theoretical and practical solutions to SIP Security issues </li> <li> Covers secure SIP access, inter-provider secure communication, media security, security of the IMS infrastructures as well as VoIP services vulnerabilities and countermeasures against Denial-of-Service attacks and VoIP spam </li> </ul>
This book will be of interest to IT staff involved in deploying and developing VoIP, service users of SIP, network engineers, designers and managers. Advanced undergraduate and graduate students studying data/voice/multimedia communications as well as researchers in academia and industry will also find this book valuable.

SIP Security

Computers & Technology

Schulzrinne, Henning

Kuthan, Jirí

Sisalem, Dorgham

Abend, Ulrich

Floroiu, John

Certification

wiley

St Vitus Cathedral at Prague Castle is one of the symbols of the Czech statehood; it is the coronation and burial site of Bohemian kings and to this day is a leading Christian cathedral, a residence of archbishops, the venue for state ceremonies and, last but not least, a much sought-after tourist attraction. St Vitus Cathedral at Prague Castle, the first English-language book on this iconic structure, presents the cathedral’s history, inseparably linked to the history of the Czech lands. The authors present the circumstances of the cathedral’s foundating by Charles IV in the fourteenth century and the progression of the construction, including later alterations and additions. The book focuses particularly on a detailed description of the sculpted and artistic decoration and significant monuments including St Wenceslaus’ Chapel and the burial site of Bohemian kings. The text, set in the broader context of the developments of European architecture, is richly illustrated with contemporary photographs, historical images, reconstructions, and plans.

St Vitus Cathedral at Prague Castle

History

Royt, Jan

Europe

Karolinum Press, Charles University

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