Digium, creator of Asterisk, is the leading manufacturer of Asterisk telephony cards.

  • Analog Cards
  • Digital T1/E1 Cards
  • Analog Hybrid Cards
  • Echo Cancellation
  • ISO9001
  • VoiceBus for better audio
  • Certified Products
  • Exceptional Satisfaction
  • 5 year warranty
  • Made in the USA

The right hardware for your solution

Connect to the Public Telephone Network.

Digium offers a full line of high quality analog and digital interface cards to connect your IP PBX, IVR, VoIP Gateway, or custom telephony solution to the public telephone network. Select from the available attributes to find the telephony card(s) that match your requirements.

Telephony Card Selector

Choose Card Attributes

Choose Card Attributes From Above

Card Example
* Images may not represent actual module configuration.
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Under the Risk-Free Guarantee, Digium will refund the purchase price of any qualifying Digium products for any customer that is not 100% satisfied with the performance of the Digium product(s) they purchased. Learn more