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Deploy the OpenVox B400M to offer ISDN BRI connectivity through a mini PCI interface. This card includes four S/T BRI ports that can be switched between TE and NT modes. Up to eight simultaneous calls can utilize the B400M's carrier-grade ISDN BRI support.
The B400M from OpenVox is ideal for levering your existing ISDN and legacy equipment with VoIP and crystal-clear voice. This telephony card is compatible with open source and proprietary platforms, including Asterisk.
