Spam In SIP?

Some very smart people believe that the Session Initiation Protocol, a signaling protocol for Internet telephony and related multimedia communications,is vulnerable to spam attacks.

"It is important that the SIP community react now, rather than later, and define and deploy anti-spam measures before the problem arises," writes an unbylined author on the Sweden-based VOIP Forum site.

VoIP-enabled SIP spam hasn't happened yet, but the case can be made for a pre-emptive attack. And yes, I must say that some quiteinfluential individuals who believe in a strategy of pre-emptive attacks have had a pretty good week.

Want to know more about the associated vulnerabilities, and what can/should be done? Scientist Jonathan Rosenbergand two of his collaborators believe that stronger authenticated identities and building a SIP-specific consent framework are key.

Here, they explain why.