Session Border Controller ( ) - , VoIP, () , . SBC , , ( ).
, H.323, SCCP , SBC SIP , SIP.
SBC , B2BUA (back-to-back user agent), SIP . (), , UAS (User Agent Server) UAC (User Agent Client), .
SBC ACL, DDOS , . SIP, SBC . SDP , .
, SBC RTP , , , ( ) , SIP SDP. , SBC SIP forking, , , .
SBC, ( ) .
SBC:
