Yeastar S412 Hybrid Telephone System VoIP PBX for 8 Users, 8 Calls with Multi-Port FXS/FXO/GSM Support

Features:

• 8 VoIP Users
• 8 Concurrent Calls
• 4 VoIP Trunks
• 8 Fixed RJ11 FXS Ports
• 4 Customizable FXS RJ11 Ports
• Up to 4 Customizable FXO/BRI RJ11 Ports
• Up to 2 Customizable GSM/3G/4G Channels
• 1-10/100Mbps LAN
• 1-10/100Mbps WAN
• TF Card Slot
• Protocol: SIP, IAX2
• Transport Protocol: UDP, TCP, TLS, SRTP
• DTMF: In-band, RFC4733, SIP INFO
• Codec: G711 (alaw/ulaw), G722, G726, G729A, GSM, Speex, ADPCM, iLBC, H263, H263P, H264, MPEG4

For more information, please see Data Sheet