... /FXS), and can make 32 calls at the same time; 2)1~8 GSM/CDMA wireless lines; 3)With SS7, ISDN PRI ... ) and 8-way wireless GSM. Specialty:·2 E1, signaling support:SS7,ISDN PRI,Cas,V5.2 etc;·4-32 analog lines (FXS ... /FXO),the number of lines can be flexibly configured through change the models;·1 ...