The Yeastar PBX S300 has the following features:• 300 Users (expandable to 500). 60 Concurrent Calls (expandable to 120). Up to 24 FXS/FXO/BRI Ports. Up to 6 GSM/3G/4G Channels. Up to 3 E1/T1/PRI Ports. Works with SIP/IAX2, PSTN lines, ISDN BRI, E1/T1/PRI, and GSM/CDMA/3G. 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). Automated Attendant (IVR). Attended Transfer. AutoCLIP. Blind Transfer. Blacklist/Whitelist. Call Back, Call Detail Records (CDR), Call Forwarding, Call Monitor, Call Parking, Call Pickup, Call Recording, Call Routing, Call Waiting. Caller ID, Conference, Custom Prompt.
