The protocols used in an IP phone call are: SIP (Session Initiation Protocol): A standardized signaling protocol (RFC 3261) which works over TCP (typically on port 5060)…

Meletis Belsis Information Security Consultant MPhil / MRes/ BSc, C|EH / CCSA / CWSP IMS Security IMS Architecture IMS Complexity IMS Threats VoIP Attacks The Hackerâs Toolbox…

1. VoIP Security: An OverviewVoIP Security: An Overview (2008)(2008) Meletis BelsisMeletis Belsis Information Security ConsultantInformation Security Consultant MPhil / MSc…

Slide 1 Slide 2 January 23-26, 2007 Ft. Lauderdale, Florida An introduction to SIP Simon Millard Professional Services Manager Aculab Slide 3 January 23-26, 2007 Ft. Lauderdale,…

Slide 1 SIPPING IETF51 3GPP Security and Authentication Peter Howard 3GPP SA3 (Security) delegate [email protected] Slide 2 3GPP IP Multimedia Subsystem (Release…