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The ISDN BRI GSM Gateway HG-212 provides superior voice technology for connecting legacy PBX and IP-PBX systems with BRI interface to the GSM networks. This ISDN BRI GSM Gateway connects straight to the BRI interface of the PBX, and enables direct connection from the PBX to the GSM networks. When connected to a PBX, the ISDN BRI GSM Gateway can route incoming and outgoing calls via the mobile telephone network, thus providing a cost-effective alternative for fixed-to-mobile or mobile-to-fixed telephone calls. Main Features: • 2 integrated GSM worldwide use (900/1800 - 850/1900) • NT or TE interface • Toll Restriction • Pre-defined MSN • Heavy duty operation • Fast & Easy installation
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