Is it time for a VoIP firewall?
Spam commonly proliferates using STMP and HTTP protocols, which are critical to e-mail and the Internet, but it could soon become the nemesis of SIP as well.
Session Initiation Protocol (SIP) is a VoIP call-control and application protocol technology serving as the Internet Engineering Task Force's de facto standard for initiating a multimedia interactive user session.
By Amy Storer at SearchEnterpriseVoice.
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