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![]() Date: 2012-10-22 11:10:00Session Initiation Protocol Session border controller Back-to-back user agent SIMPLE VoIP User VoIP phone IP Multimedia Subsystem Brekeke SIP Server Voice over IP Videotelephony Telephony | Source URL: www.frafos.comDownload Document from Source WebsiteFile Size: 1,37 MBShare Document on Facebook |