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Author: Steffen Fries

Affiliation: Corporate Technology, Siemens AG, Germany

Keyword(s): Voice over IP, security, encryption, authentication, integrity, SIP, H.323, Megaco, MGCP, SRTP.

Related Ontology Subjects/Areas/Topics: Cloud Computing ; Data and Systems Security ; Information and Systems Security ; Service and Systems Design and Qos Network Security ; Services Science

Abstract: This document describes current state of the art security functionality provided in the four mainly used and standardized Voice over IP (VoIP) signaling protocols, as there are the Session Initiation Protocol (SIP), H.323, Megaco, and the Media Gateway Control Protocol (MGCP). It outlines the security provided by the protocols itself or by dedicated security extensions including lower layer security protocols like Transport Layer Security (TLS) or IPSec. Moreover, vulnerabilities, which still remain in protocols or certain scenarios, are depicted as well. Furthermore discussed are also security approaches for the media data provided by the Secure Real-time Transport Protocol (SRTP) and associated key management schemes. Conclusions are given by identifying work areas, in which further security related work in the area of multimedia communication in general and VoIP in specific has to be done.

CC BY-NC-ND 4.0

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Paper citation in several formats:
Fries, S. (2006). SECURITY CONSIDERATIONS IN CURRENT VOIP PROTOCOLS. In Proceedings of the International Conference on Security and Cryptography (ICETE 2006) - SECRYPT; ISBN 978-972-8865-63-4; ISSN 2184-3236, SciTePress, pages 183-191. DOI: 10.5220/0002098601830191

@conference{secrypt06,
author={Steffen Fries.},
title={SECURITY CONSIDERATIONS IN CURRENT VOIP PROTOCOLS},
booktitle={Proceedings of the International Conference on Security and Cryptography (ICETE 2006) - SECRYPT},
year={2006},
pages={183-191},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0002098601830191},
isbn={978-972-8865-63-4},
issn={2184-3236},
}

TY - CONF

JO - Proceedings of the International Conference on Security and Cryptography (ICETE 2006) - SECRYPT
TI - SECURITY CONSIDERATIONS IN CURRENT VOIP PROTOCOLS
SN - 978-972-8865-63-4
IS - 2184-3236
AU - Fries, S.
PY - 2006
SP - 183
EP - 191
DO - 10.5220/0002098601830191
PB - SciTePress