Yeastar TA400 (4 FXS)
• 4 FXS Port (RJ11)
• 1 10/100Mbps LAN
• SIP Protocol (RFC3261)
• Support DTMF, Fax, hotline, NAT, firewall, VLAN, VPN, QoS and auto-provisioning etc.
• Support flexible calling rules
• Superb voice compression with industry standard codecs
• Line echo cancellation for 8, 16, 32, 64 or 128 ms echo delays
• Tested and certified with Elastix, BroadSoft, and others