The Ribbon Communications SBC 1000 Gateway provides small and medium sized enterprises with legacy voice infrastructure a secure, reliable path to VoIP connectivity with a full range of SIP service provider environments. The SBC 1000 Gateway is a complementary offering to the standard SBC 1000 offering for primarily TDM-SIP use cases, with growth for IP-IP call flows when needed. The SBC 1000 Gateway supports any-to-any connectivity between FXS, FXO, BRI, PRI, and SIP endpoints or devices, enabling rapid migration to SIP-based networks while retaining existing PBXs or analog devices.