Yeastar GSM Module

#SIP Ext.: 100 by default ( max. 200) #Concurrent call: 30 by default (max. 60) #Expand Cards: max. 2 EX08/ EX30 & 1 D30 #Analog Ports: max. 16 FXS/FXO ports by modules #BRI Ports: max. 16 BRI ports by modules #GSM Ports: max. 6 GSM ports by modules #E1/T1 Ports: max. 2 E1/T1 ports by modules #Storage: SD Card / USB (not included) #Modules Need to buy Separately.

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

Yeastar SO Module with 1FXO+1FXS. The Yeastar SO Module is compatible with MyPBX series and S-Series PBX and has a