AudioCodes' Mediant family of Session Border Controllers (SBC) is a line of versatile IP communications platforms that connect VoIP and TDM networks.SBC are deployed at the border between the enterprise and the service provider. In the enterprise environment, they form an effective demarcation point between the business's VoIP network and the service provider's SIP Trunk, performing SIP protocol mediation and media handling (interoperability) and securing the enterprise VoIP network. In the service provider core, SBC provide security and protocol normalization.