Yeastar S412

20 Extensions (SIP\IAX), 16 Concurrent calls (max), 4 Analog ports (FXO\FXS), 4 BRI ports, 1 10/100Base-T Ethernet LAN port, 1 10/100Base-T Ethernet WAN port, 32 VoIP Trunks, 3000 min Voicemail, 32 IVR, 1 USB port, T.38 FAX support

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