SIP Security

: Ubiquitous worldwide broadband Internet access as well the coming of age of VoIP technology have made Voice-over-IP an increasingly attractive and useful network application. Currently the "human-readable" Session Initiation Protocol (SIP) which is based on a simple HTTP-like request/response exchange is steadily gaining headway against the considerably more complex ASN.1 encoded H.323 Multimedia ITU-T standard introduced by the telecom industry some years ago. Unfortunately little attention has been given to the security aspects involved in running a phone connection over the public Internet. This paper gives a comparative overview over the security mechanisms recommended by the SIP standard and presents a practical SIP implementation realized at the Z

• Type: Conference
• Year: 2004
• Where: DFN
• Authors: Andreas Steffen, Daniel Kaufmann, Andreas Stricker
• Keywords: DFN 2004, DFN 2008, H.323, Practical Sip Implementation, Session Initiation Protocol