https://www.patton.com.au/voip-gateway/sn200/
VoIP Analog Phone Adapter | 1-to-4 FXS VoIP Phone Adapter. Made in USA
VoIP phone adapter: VoIP analog phone adapter (VoIP ATAs) for analog phone over IP connection. High-quality VoIP analog adapter made in the USA. VoIP analog...
analog phone adaptermade in usavoipfxs