Yeastar TA400 supports 4 FXS ports to connect analog phones to IP-based data networks. It is compliant with SIP industry standard and compatible with various PBXs, IP-PBXs, softswitches, and phones.

 4/8/16/24/32 FXS ports or 4/8/16 FXO ports
 Advanced and flexible calling rules
 Reliable fax performance with T.38
 High-quality voice compression with industry standard codecs
 Line echo cancellation for 8, 16, 32, 64 or 128 ms echo delays
 Support various methods to light up the Message Waiting Indicator
 Web-based GUI for easy configuration and management
 Manage customer-premised gateway remotely and securely*
 Interoperable with a wide range of legacy and IP equipment

*Requires Remote Management feature, which is only supported by TA1610/1600/2400/3200 V3 version.