The Yeastar S50 50Users IP-PBX has the following features:. Up to 50 users and 25 concurrent calls Includes 50 SIP trunks Add module cards to activate additional ports up to 8 Analog, 8 BRI, and 4 GSM Includes 5,000 minutes of expandable voicemail storage Built-in call recording capability Add on powerful apps including auto provisioning, LDAP, and more Free lifetime software/firmware upgrades Connect multiple sites and remote users instantly No hidden charges or extra licensing fees Low power consumption at 2.1-18.5W Automated attendant (IVR) Email to SMS/SMS to email Fax to email Paging/intercom Mobility extension Music on hold SIP forking Voicemail to email 1U rack mountable
