Digium 1A4B03F 4 FXO PCI-e Card with Echo Cancellation

Digium 1A4B03F 4 Port 0-FXS/4-FXO PCI-e Card with EC

The 1A4B03F from the A4 Series is a PCI-Express card with 0-FXS/4-FXO and 4 ports.

Digium 1A4B03F 4 Port 0-FXS/4-FXO PCI-e Card with EC Overview:

Connect your PTSN to an Asterisk connection with the only telephony board cards certified to work with Asterisk. Digium Cards offer the best choice for Asterisk implementations to your telephony network with their high performance, cost effective and quality telephony cards.

Digium offers a line of quality analog and digital interface cards for connectivity for your IP PBX, IVR, VoIP Gateway, or telephone network.

Digium 1A4B03F 4 Port 0-FXS/4-FXO PCI-e Card with EC Features:

• 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 VoiceBus™ technology for better audio
• 5-year warranty
• With Asterisk - DAHDI 2.7 or later required 
• With Switchvox - Switchvox 5.8.1 or later required
• Risk-free 30-day 100% satisfaction money back guarantee with ESP guarantee

Digium Features: 

• Proven liability from an ISO 9001 Certified company
• Specifically built and optimized for Asterisk-based processing of voice
• Digium telephony cards are developed by the creators of Asterisk
• Heavily tested in all the major server hardware platforms such as Dell, HP, and IBM
• Work in a variety of hardware platforms with chip sets including AMD, Intel, VIA, Nvidia and more
• Tested with multiple Linux-based operating systems
• Digium developed the analog signaling and digital line signaling library

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