Yeastar S2 Module

02 Port Analog Phone Converter

Yeastar O2 Module (2FXO) is a module with 2 FXO ports to terminate two analog PSTN(POTS) lines. The O2 Module

#SIP Ext.: max. 50
#Concurrent call: max. 25
#Analog Ports: max. 8 FXS/FXO ports by modules
#BRI Ports: max. 8 BRI ports ports by modules
#GSM Ports: max. 4 GSM ports by modules
#Storage: SD Card (not included)
#Expand Slot: Not support
#Modules Need to buy Separately.