Yeastar call center

Brand: Yeastar Model: P550 Maximum Users: 50 Users Maximum Concurrent Calls: 25 Calls Maximum FXS Ports: 8 Maximum FXO/BRI Ports: 8 Maximum 3G/4G Ports: 4 Network Ports: 1 WAN, 1 LAN

Brand: Yeastar Model: S50 Maximum Users: 50 Users Concurrent Calls: 25 Calls VoIP Trunks: 50 SIP Trunks Telephony Interfaces: FXS, FXO, ISDN BRI, GSM/3G/4G Module Slots: 4 Onboard Slots (S50 only) IP Phone Compatibility: SIP/IP Phones Conferencing: Built-in Audio Conferencing Network Ports: 1 WAN + 1 LAN Gigabit Ports RAM: 1 GB DDR4 Flash Memory: 4 GB Storage Support: SD Card Slot up to 64 GB

Brand: Yeastar Model: S100 Users Capacity: 100 Users (Expandable to 200) Concurrent Calls: 30 Calls (Expandable to 60) FXS/FXO/BRI Ports: Up to 16 Ports GSM/CDMA/3G/4G Channels: Up to 6 Channels E1/T1/PRI Ports: Up to 2 Ports Expansion Boards: Supports 2 Expansion Boards Expansion Module: Supports 1 D30 Module