Integrating and strengthening the
European Research Area

SPIT (SPam over Internet Telephony) ...

...problem demonstrates several similarities with the e-mail spam, and refers in general to any unsolicited communication. Even if SPIT statistics are not yet available in high volumes, spit attack patterns might reproduce those of spam.

We discuss existing implementations or proposed protocols and architectures that can be found in the SIP domain, as well as legal issues associated with the existing proposal.

Additionally, we deal with requirements for spit avoidance, situated by SIP services providers, users and technology providers