Redstone IP-PBX is an all-in-one converged communication system for all offices. With built-in analog-phone interfaces, CO line interfaces, SIP-based trunks, and SIP-client-registration functionality, Redstone IP-PBX connects well to traditional and converged voice networks and terminals. With support for up to 8000 SIP user stations, Redstone IP-PBX supports remote extensions, allowing employees to communicate with customers and team members at anytime and anywhere.

Redstone VoIP Gateway supports a wide range of access-gateway applications. Providing 2-to-96 FXS and/or FXO ports, Redstone VoIP Gateway delivers carrier-hosted converged services as well as enterprise-based voice-fax applications. The gateways are typically used to connect analog telephone terminals, legacy fax terminals, PBXs, or key systems to IMS/SIP/MGCP-based IP networks. With flexible hardware configurations and rich features, Redstone VoIP Gateway is ideal components in many VoIP-based solutions.