Obihai OBI 312 Voice Adapter, PY-2200-49535-001

With this voice adapter, you can easily bring your analog telephone or fax machine into the digital age. The adapter features SIP, OBiTALK and T.38 Fax Over IP protocols for wide-ranging support with your device. Connects an analog telephone or fax machine to a VoIP service. Supports SIP and OBiTALK protocols. T.38 Fax Over IP protocol provides connection to an analog fax machine. Equipped with 1 FXS and 1 FXO port to simplify setup. FXO port connects to an outside telephone line, so you can access remote calling via the PSTN. Use the web-based GUI to manage the adapter. Backed by the manufacturers 1-year limited warranty.