Digium Voice Compression Card
Digium’s voice compression cards enhance the capabilities of Asterisk in VoIP and Hybrid Environments. Reduce the bandwidth consumption by a factor of 8, and at the same time CPU utilization with our high-performance voice compression card. Digium cards are compatible with all versions of Asterisk using the DAHDI driver framework. Asterisk and DAHDI are available for free from the Asterisk.org website.