| This is multichannel (8 to 30 channels) GSM-gateway. Every channel equipped with GSM-module and works similar to regular mobile phone. It may have phone number of any mobile operator. The device checks all outcoming calls and in case abonents match the "white-list", the call being directed to gateway of other operator or to PBX connected with PSTN. GSM-gate connected to PBX by Digital Subscriber Signalization (DSS1, 2Mbit/s E1 or T1, ISDN-PRI) (incoming and outcoming channels, total quantity - 30). |
Multichannel GSM-gateway Polygator K32
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