A large number of custom telephony solutions are made possible with this powerful combination of Digium hardware and Asterisk open source software. Use the telephony card selector to identify a card that fits your requirements.

Analog Interface Cards

Connect your Asterisk system with analog lines, phones, fax machines and other gear with Digium’s rock solid analog interface cards.

Digital Interface Cards

Digium® digital cards are high-performance, cost effective, digital telephony interfaces. With the combination of Digium hardware and Asterisk software, numerous telephony configurations are possible. From the traditional PBX to VoIP Gateways, Digium solutions are paving the way for a new generation of worldwide communications. All Digium E1/T1 interface cards have a built-in CSU/DSU and may be connected directly to the E1/T1 physical interface.

Hybrid Analog & Digital Telephony Devices

The Digium Hx8 Series are high-performance, cost-effective hybrid analog and BRI interface cards providing the capability to seamlessly integrate basic rate and analog ports in a single card slot.

Voice Compression Cards

Digium’s voice compression cards enhance the capabilities of Asterisk in VoIP and Hybrid Environments. TC cards are transcoders; they convert phone calls from one encoding format to another, usually to save on bandwidth. Our voice compression cards are both capable of compressing/decompressing 120 channels of G.729 or 92 channels of G.723.1.

Modules & Components

Add-ons for analog and digital cards.

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