Yeastar TA400 soporta 4 puertos FXS para conectar telefonos analogicos a redes de datos basadas en IP. Es compatible con el estandar de la industria SIP y compatible con varias PBX IP-PBX softswitches y telefonos. Funcionalidades 3-way Conference API Attack Alert Attended Transfer Auto Provisioning with Yeastar IP-PBX Backup and Restore Blind Transfer Call Detail Records Caller ID Display Call Forward (Always Busy No Answer) Call Waiting Do Not Disturb Firewall Firmware Upgrade by HTTP/TFTP Hotline Hunting Groups IP Blacklist MWI (FSK Neon Polarity Reversal) Nat Traversal Packet Capture Tool Radius Accounting & Login Speed Dial System Logs TR-069 Voice Menu for Basic Configuration Web-based Management