Digium A4 Series Analog (up to 4 lines)
Digium Analog Cards
Digium provides quality analog cards that extend the functionality of Asterisk to connect to the Public Switched Telephone Network (PSTN). A large number of custom telephony solutions are made possible with this powerful combination of Digium hardware and Asterisk open source software.
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