Si3D offers a family of Converged Communication Systems called "Office-in-a-Box", which is an integrated Phone Exchange, Router and an Applications Gateway Server, all in one elegant plug-n-play solution. The integrated system comes configured with application interfaces depending on the business verticals and cloud support. Si3D's converged solutions offer VoIP, PSTN & Digital Telephony, integrates Advanced Networking functionality with built in security / UTM Gateway and enables various custom & 3rd party applications to be ported and run seamlessly with the native voice & data applications. These highly configurable Application Gateways are targeted for SMBs between 50 - 1,500 users and managed & supported over the cloud.