Digium 1A4B03F 4 Port 0-Fxs & 4-Fxo Pci-E Card With Echo Cancellation

Description

The A4 Series of analog cards supports up to four (4) connections per card in your Asterisk system. Using Digium\'s single-port interface modules, A4 series cards can scale from one (1) to four (4) ports. The modular nature of the cards allows you to mix and match between line (FXO) and station (FXS) interfaces, giving you the exact port configuration you need. Digium A4 Series analog cards are available in low profile, half-length PCI and PCI Express form factors. 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. All cards include a five (5) year warranty and are eligible for Digium\'s Exceptional Satisfaction Program (ESP) risk-free Quality Guarantee. Specifications One (1) - four (4) analog ports PCI or PCI Express bus architectures Combine line (FXO) and station (FXS) modules Accepts up to four (4) single-port modules Optional DSP -based carrier grade echo cancellation module 32-bit 33MHz Loop Start or Kewl Start Signaling Temperature: 0° to 50° C Digium patented VoiceBusâ„ technology for better audio 30-day 100% satisfaction money back guarantee 5-year warranty With Asterisk - DAHDI 2.8 or later required With Switchvox - Switchvox 5.8.1 or later required (Coming soon)Â