Posts Tagged ‘isdn gsm gateway’

The Telecom FM Onestream GBRI4 is a phone system add-on that is designed to provide mobile extension features as well as VoIP and GSM connectivity for ISDN2e phone systems.

Why upgrade your business phone system to take advantage of VoIP or GSM connectivity options when you can simply connect the Onestream GBRI4 Gateway between your telephone system and phone lines and get the following added features:-

 - SIP Trunking connectivity – make low cost calls using VoIP telephone Lines
 - IP Phone connectivity – connect a homeworker to your phone system using VoIP
 - Branch Office connectivity – connect your branch office phone systems to enable free calls between offices
 - GSM Connectivity – make low cost calls to mobile phones using the built-in two channel GSM gateway.
 - Mobile Extension – route inbound DDI calls to both the office extension and a mobile phone or to an IP Phone and transfer calls back to the office extensions.

The Onestream GBRI4 will connect in-line between 4 x ISDN2e line ports of your phone system and 4 x ISDN2e telephone lines and is easily configured to provide routing between VoIP, GSM and ISDN.