The QSA500N is an integrated Applications Gateway offering IP-PBX, Server & Router functions that provide VoIP (SIP) and PSTN (FXS, FXO and PRI-ISDN/T1/E1) ports with Wi-Fi in the same box. The QSA500N is a configurable and scalable system that can support up to 25-200 concurrent calls, either VoIP or PSTN.


The system is ideally suited for hosting all business applications (Voice, Data, Networking & Security) of Small & Medium Enterprises (SME) where a single integrated system replaces multiple systems with discrete functionalities


The number of users can scale from 100 to 1,000 through our proprietary load-balanced FXS Port Extender “BalancedBank™”(QSB100N) and GSM Gateway (QSG300N) units respectively, which connect and extend QSA500N through Ethernet & USB ports respectively. The QSA500N supports all IP-PBX functions along with basic or advanced Networking functions with WAN fallback. The system has dual HDD with RAID for advanced storage with support for multiple Cloud environment.


The QSA500N is built around a range of Intel Platforms (Atom, i3, i5 & i7 Dual-Core) based on the network demand with Si3D’s proprietary line cards and DSP modules running Asterisk™ Unified Communication Platform with Elastix™ supporting a wide array of business verticals and customer preferences.


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