FreeSWITCHisanopensourcecarrier-gradetelephonyplatformdesignedtofacilitatethecreationofvoice,chat,andvideoapplications,viaphonesandwebbrowsers.Itisscalable,carrier-ready,andeasy-to-programforconvergedcommunicationandVoIP.ThetechnologyservesSIP,WebRTC,PSTN,FAX