Welltech WellGate ATA 172plus-POE – 2 Port FXS (fax/phone), 3CX suppo
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4 Fxs/fxo Ports Sip Phone Adapter Voip Ata,Compatible With Microsoft Skype (lync),Asterisk/elastix,Freeswitch,Freepbx,3cx - Buy Voip Ata Device 4 Fxs 4 Fxo Ports,4 Fxs/fxo Ports Voip Sip Ata Asterisk Elastix Freeswitch,Voip 2 Fxs
Grandstream GS-HT802 2 Port Analog Telephone Adapter VoIP Phone & Device, Black 6947273702047 | eBay