Yeastar TA1610 supports 16 FXO ports to interface with PSTN or PABX extension port. Suitable for large-scale deployment and management, TA1610 features toll-quality voice call and top performance and reliability.Features include:-Fully compliant with SIP and IAX2-Superb voice compression with industry standard codecs-Line echo cancellation for 8, 16, 32, 64, or 128 echo delays-LED indicators present system and port status visually-User-friendly Web GUI and intuitive operations-Comprehensive call log, system logs, hardware logs, and debug logs-Quiet operation-Embedded system with low power consumption-Supports PnP or DHCP provisioning by MyPBX and standard open protocol TR-069 and SNMP-PSTN trunking for IP-PBXs