D130 Series

OpenVox D130 Series is now the leading single port T1/E1/J1 PCI-E card in the open source industry. It supports up to 32 channels in E1 mode or 24 channels in T1/J1 modes. It takes full advantage of Octasic® Hardware Echo Cancellation Module to deliver the superior voice quality over T1, E1, and J1 interface.

The D130 Series is an upgrade product of the D115 Series. It’s supposed to be the most advanced single port T1/E1/J1 asterisk® card with superior quality in the open source community. It supports T1, E1, and J1 environments and is selectable on a per-card or per-port basis. The leading innovation ensures users to adjust the interrupts frequency to reduce the CPU load up to 70% and adjust the interrupt number to avoid interrupt number sharing or conflict.


Learn More   


D1630E

OpenVox D(E)1630E is a 16 T1/E1/J1 ports superior card which supports up to 480 concurrent calls in a single PCI Expression slot. With high performance, OpenVox D(E)1630E is compatible with Linux operating system and most of the commercial servers and motherboards. In addition, The on-board Octasic® DSP-based echo cancellation modules enhances the audio quality greatly as well as reduces CPU usage so as to optimize the system performance.

D(E)1630E supports a wide range of voice protocols including PRI, SS7, R2.

Learn More   


D210 Series

OpenVox D210 Series takes full advantage of Octasic® Hardware Echo Cancellation Module to deliver the superior voice quality over T1, E1, and J1 in all 2 ports.

The D210 Series offers an on-board Octasic® DSP-based echo cancellation module. It supports T1, E1, and J1 environments and is selectable on a per-card or per-port basis. The Octasic® DSP-based EC module enables users to eliminate echo tails up to 128ms or 1024 taps across all 64 channels in E1 mode or 48 channels in T1/J1 modes. Further, this module takes advantage of the Octasic® Voice Quality Enhancement to provide superior sound quality on all calls.

Learn More   


D230 Series

OpenVox D230 Series is now the leading 2 port T1/E1/J1 PCI-E card in the open source industry. It takes full advantage of Octasic® Hardware Echo Cancellation Module to deliver the superior voice quality over T1, E1, and J1 interface.

D230 Series is an upgrade product of the D210 Series. It’s supposed to be the most advanced 2 port T1/E1/J1 asterisk® card with superior quality in the open source community. The leading innovation ensures users to adjust the interrupts frequency to reduce the CPU load up to 70% and adjust the interrupt number to avoid interrupt number sharing or conflict.


Learn More   


D410 Series

OpenVox D410 Series is the worldwide affordable single port T1/E1/J1 card and delivers the great voice quality over telephony systems. It supports up to 120 voice calls or 8.192 Mbps of full duplex data throughput over four T1, E1, or J1 lines. It takes full advantage of Octasic® Hardware Echo Cancellation Module.

The D410 Series offers an on-board Octasic® DSP-based echo cancellation module. It supports E1, T1 and J1 environments. It is selectable on a per-card or per-port basis. This feature enables signaling translation between E1 and T1 equipments and allows inexpensive T1 channel banks to connect with E1 circuits.The Octasic® DSP-based EC module enables users to eliminate echo tails up to 128ms or 1024 taps across all 128 channels in E1 mode or 96 channels in T1/J1 modes. Further, this module takes advantage of the Octasic® Voice Quality Enhancement to provide superior sound quality on all calls.


Learn More   


D430 Series

OpenVox D430 Series is now the leading 4 port T1/E1/J1 PCI-E card in the open source industry. It takes full advantage of Octasic® Hardware Echo Cancellation Module to deliver the superior voice quality over T1, E1, and J1 interface.

The D430 Series is an upgrade product of the D410 Series. It’s supposed to be the most advanced 4 port T1/E1/J1 asterisk® card with superior quality in the open source community. The leading innovation ensures users to adjust the interrupts frequency to reduce the CPU load up to 70% and adjust the interrupt number to avoid interrupt number sharing or conflict.

Learn More   


D830 Series

OpenVox D830 Series is now the leading 8 port T1/E1/J1 PCI-E card in the open source industry. It supports up to 256 channels in E1 mode or 192 channels in T1/J1 modes.

The D830 Series supports T1, E1, and J1 environments and is selectable on a per-card or per-port basis. DE830E is supposed to be the most advanced 8 port T1/E1/J1 asterisk® card with superior quality in the open source community. The leading innovation ensures users to adjust the interrupts frequency to reduce the CPU load up to 70% and adjust the interrupt number to avoid interrupt number sharing or conflict.

Learn More