DAG2000-16S is a multi-functional analog VoIP gateway offering seamless connectivity between IP-based telephony networks also legacy telephones (POTS), fax machines, or PBX systems. task SIP protocol, it's compatible with Leading IMS/NGN platforms and SIP-based IP Phone systems. The device has 16 FXS ports, fax over IP, and dial plans that may be customize. Small and medium enterprises, call centers, and multi-location environments that require VoIP services may benefit from it.