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The Digium 1TE236BF card features the VPM064 echo cancellation module. The module provides hardware-based echo cancellation for enhancing audio quality and voice communications. This card also features two T1 ports, a PCI interface and a half length, low...

Digium TE235F features two interfaces for providing voice connectivity. This PCI Express card can support up to 48 simultaneous calls via T1 or J1, or 60 simultaneous calls through E1. The Digium TE235F digital PCI Express card utilizes PSTN trunks over...

Digium TE235BF features an echo cancellation module to provide carrier-grade audio for voice communications. This digital PCI Express card can support 48 concurrent calls via T1, or 60 concurrent calls via E1, through the dual interface ports. This card...

The Digium TE134F PCI card supports T1, E1 and PRI environments. Use the Digium TE134F to leverage an existing analog system with VoIP, featuring a single RJ48 port. Onboard echo cancellation enhances voice and audio performance, and also saves this task...

The Digium TE133F PCI Express card supports T1, E1 and PRI environments. Migrate an existing analog system to VoIP with the TE133F card, featuring a single RJ48 port. A built-in echo cancellation unit boosts voice and audio quality, and also removes this...

The Digium TE132F telephony card supports up to 24 simultaneous calls via a single T1 port. Slide this card into an open PCI card and leverage your existing phones and telephony devices with your PBX.This card does not support an expansion echo...

The Digium TE131F telephony card easily plugs into a PCI Express slot. A single T1 port connects your phones and other devices to your PBX. This card supports up to 24 simultaneous calls over T1.An echo cancellation module cannot be installed onto the...

The Digium 1A8B06F PCI Express card is scalable to eight analog ports and features carrier-grade echo cancellation. Eight FXS ports are included with this Digium A8-series PCI Express card, but their modular design allows them to be easily removed and...

With a modular design, the Digium 1A8B05F PCI Express card features eight interchangeable FXS ports. Swap these modules with available FXO modules or another configuration to optimize your Digium PCI Express card. This card is ideal for facilitating...

This Digium PCI Express card, model: 1A8B04F, features four FXS ports and four FXO ports. The Digium A8-series can support up to eight modular analog ports, meaning the modules can be removed and replaced to meet your own customized specifications...

The Digium 1A8B03F PCI Express card is expandable to eight analog FXO or FXS connections and features built-in echo cancellation technology. Eight FXO connections come standards with the 1A8B03F card, and their modular design means they can be swapped...

With the capacity for eight interchangeable analog connections, the Digium 1A8B02F is a totally scalable PCI Express card. This card comes with eight FXO ports that can be swapped, removed or replaced via interchangeable modules. The Digium 1A8B02F PCI...