DAG2500 is an analog functional VoIP gateway offering seamless connectivity between VoIP and traditional phone systems. It's a highly integrated gateway that provides up to 72 FXS ports with a standard R21 interface in 1U size. Users can easily connect their analog phones, fax machines, and PBX systems via a standard voice interface. The DAG2500 supports the industry-standard SIP protocol and is interoperable with most IMS/NGN platforms and SIP-based IP phone systems. Small and medium enterprises, call centers, and multi-location environments that require VoIP services may benefit from it.