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The Digium X100M FXO module is compatible with all Digium analog cards. The X100M module terminates one analog telephone per module and allows a user to activate additional ports at any time with more X100M modules. The X100M module passes all the call...

The Digium VPMOCT256LF is a 256 channel echo cancellation module for use with Digium digital cards.Annoying echo in your voice communications system can be managed effectively with echo cancellation solutions from Digium. The Digium VPMOCT256LF is a 256...

The Digium VPMOCT032LF is a 32 channel echo cancellation module that can be used with Digium analog and digital cards.For Asterisk users connecting to the PSTN, annoying echo can be managed effectively with echo cancellation solutions from Digium...

The Digium TC400B includes both the TC400P base card and the TC400M voice processing module. The TC400B is a half-length, low-profile PCI-2.2 compliant card that can handle, in dedicated DSP resources, the complex codec translations for highly...

The Digium S400M FXS module is compatible with the TDM2400P, AEX2400P, TDM800P and AEX800P analog cards. The S400M module terminates four analog telephones per module and allows a user to activate additional ports at any time with more S400M daughter...

The Digium S110M allows a user to activate additional ports. The S110M module is a 1-port FXS module. The Digium S110M module passes all the call features any standard analog telephone will support.

The Digium TE820F features four ports, providing eight spans of digital telephony interface. Install the card on an available PCI Express slot. The eight spans can be independently selected and configured, allowing you to fully leverage your existing...

The Digium TE820BF PCI Express card provides echo cancellation and full support for Asterisk applications. This card supports up to 192 simultaneous calls from connected T1 telephony devices. Individually select the eight spans on the four ports through...

The Digium 1TE436BF card features the VPM128 echo cancellation module. The module brings hardware-based echo cancellation to the card for enhancing overall audio quality in voice communications. This card also features four T1 ports, a PCI interface and...

Digium TE435F features a total of four interfaces. Through PSTN trunking, these interfaces can provide up to 96 simultaneous calls via T1 or 120 simultaneous calls via E1. The Digium TE435F digital PCI Express is designed exclusively for use with...

Digium TE435F is designed to provide optimal voice quality for Asterisk-based systems. This digital PCI Express card features echo cancellation to improve audio quality. The four interfaces can support up to 96 simultaneous calls through T1, or 120...

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...