Yeastar S50i IP-PBX is designed to provide a robust small business communication solution. It comes out-of-box with full phone system features plus enhancing UC capacity with Linkus UC Clients. The easy management, abundant features, and quick provisioning empower S50i to deliver a convenient calling experience, secure communications, and allow customers meet their specific needs in various scenarios. Yeastar S50i Key Features Works with SIP/IAX2 Connects to PSTN lines, including FXO/FXS, PRI/E1 and GSM/3G through appropriate Gateways over SIP trunks Built-in call recording capability Powerful Apps (add-ons) include Auto Provision, LDAP, and more coming soon Free lifetime software/firmware upgrade and above all, it’s super easy Connect multiple sites and remote users instantly No hidden charges and extra licensing fees Low power consumption (1.8-59.1 watt) Appreciate the Easy-to-use Solution The S-Series features fast installation with comprehensive auto provisioning, advanced plug and play capability, together with an intuitive Metro UI driven by point-and-click configuration, from any location. Your Choice of Technologies and Features Through your choice Telephony Gateways, the Yeastar S50i transforms into that modular IP-PBX you are familiar with to install various telephony modules, including FXO/FXS, GSM/CDMA/3G or PRI/E1 to meet the most demanding of environments. You can also take advantage of advanced enterprise grade features with the fullest and most complete software versions. Telephone System without Risk S-Series is built with the future in mind, utilizing the latest technology advances, from Freescale industrial grade Quad Core processors, TI DSP voice processors, and long-life power units and lighting protection. Play Safe and Expect Reliability With advanced failover, security, monitoring and reporting capabilities as standard, combined with an internal firewall and with support for TLS and SRTP encryption, there has never been such a robust system.