Resumo

SALCEDO-PARRA, Octavio; CASTELLANOS-JAIMES, Lilia  e  CAMACHO-VARGAS, José Jairo. Implementing an Anti-SPIT Mechanism Based on SIP Identity. Ing. Univ. [online]. 2011, vol.15, n.2, pp.535-556. ISSN 0123-2126.

Session Initiation Protocol (SIP) has become an important VoIP signaling protocol for its advantages in making Internet-based multimedia calls. The flexibility of the SIP protocol is due to its capacity to extend methods and attributes. In present, Ip VoIP voice service providers are non-open systems. This is why the Spam Over Internet Telephony (SPIT) does not currently pose any problem. Hence, SIP Identity is a solution for handling identities within SIP. In order to develop SIP software packages, JAIN SIP API, one of the most robust API's for Java-based SIP is used, thanks to advantages such as platform independence and mobility.

Palavras-chave : Session Initiation Protocol (Computer network protocol); computer network protocols; internet telephony.

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