Yeastar TA400 4-Port FXS VoIP Gateway

Yeastar TA400 4-Port FXS VoIP Gateway - Ports: 4x RJ11 FXS, 1x 10/100Mbps LAN - Protocol: SIP (RFC3261), IAX2 - Codec: G.711 (alaw/ulaw), G.722, G.723, G.726, G.729A, GSM, ADPCM - Network Protocol: FTP, TFTP, HTTP, HTTPS, SSH - Management Protocol: RADIUS, TR-069 - Signalling: FXS Loop Start, FXS Kewl Start - Disconnect Methods: Busy Tone, Polarity Reversal - Desktop, Wall-Mountable - TA400 - 12 Months Limited Warranty