Asterisk, Switchvox, Trixbox & Elastix
Build and customize any Asterisk, Switchvox, Trixbox, Elastix or other open source phone system with these PCI and PCI-Express VoIP cards. The cards are available with T1, FXO or FXS ports, as well as specialty connection types such as GSM. Echo cancellation modules lend the cards better call quality.
Digium and Sangoma cards offer incredible uptime and interoperability, while OpenVox and Rhino cards deliver optimal performance through cost-effective VoIP hardware. Whatever your choice, these modular and non-modular cards are the answer for leveraging legacy and VoIP telephony.