SERIES: VIN-TS+ GSM Wireless PBX System (metal cover)
Available models: VIN-TS+208;VIN-TS+308;VIN-TS+416
VIN-TS+208: 2GSM Wireless CO Lines+8 Ext.;
VIN-TS+308: 2GSM Wireless CO Lines+1PSTN CO Line+8 Ext.;
VIN-TS+416: 2GSM Wireless CO Lines+2PSTN CO Lines+16 EXT.
Pls be noted that the GSM Wireless pabx support 2GSM SIM cards, you can insert 2 GSM SIMs in the pabx box, and it can replace 2 PSTN lines. So you can use the pabx in the place where is no PSTN wired lines or lack of PSTN Lines areas. Very Easy and Convenient Operation!