50 Users 25 Concurrent Calls Up to 8 FXS/FXO/BRI Ports Up to 4 GSM/3G/4G Channel | https://www.yeastar.com/s50-voip-pbx/
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 (FXS) Caller ID Conference Custom Prompt Dial by Name DISA Distinctive Ringtone DNIS Do Not Disturb (DND) Event Center Email to SMS/SMS to Email Fax to Email Paging/Intercom LDAP Mobility Extension Multi-language System Prompt Multi-language Web GUI Music on Hold One Touch Recording Queue PIN List Phone Provisioning Real-time Status Monitor Ring Group SIP Forking SLA Speed Dial Time Condition User Portal User Permission Video Calls Voicemail