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7. Securing the Public SIP Network – the STIR Proposition

Securing the Public SIP Network – the STIR Proposition. Presented by Richard Shockey, SIP Forum and Shockey Consulting.

The problem of Caller-ID spoofing, fraud and abuse has become a serious issue for National Regulators and Network Operators. Trust in the Public SIP Networks is becoming eroded. The IETF STIR Working Group has been asked to look into how these issues can be addressed. The proposed solution(s) generally look at Resource Public Key Infrastructure [RPKI] to essentially sign the phone number and other fields in the SIP INVITE. This is essentially a problem of authentication of the identity of the caller. Is the caller really who he claims to be? This session will review the current state of standardization and present probable timelines and outcomes with some comparisons to previous work on securing BGP in SIDR.