
DAG3000-128S/O is a multi-functional Analog VoIP Gateway offering seamless connectivity among IP-based telephony networks, also legacy telephones (POTS), and PBX systems. It adopts modularized hardware that allows expanding FXO ports by adding boards according to the user's requirements. Each board has 8 FXS/FXO ports and the gateway supports 128 FXS/FXO ports at maximum. DAG3000-128S/O supports the standard SIP protocol and it's compatible with leading IMS/NGN platforms and SIP- based IP telephony systems. Which is ideally suited for large enterprises, call centers and multi- location environments that need VoIP services