DAG1000-1S/2S is a multi-functional analog telephone adapter which offers seamless connectivity between IP Telephony networks and legacy telephones (POTS), fax machines and PBX systems. The device pro
DAG1000-4S is a multi-functional analog telephone adapter which offers seamless connectivity between IP Telephony networks and legacy telephones (POTS), fax machines and PBX systems. With standard SIP