• From 2 to 24 ports supported, mixing FXO and FXS interfaces, as required.
• Support for Asterisk, FreeSwitch™, and Yate as well as other Open Source and proprietary PBX, Switch, IVR, and VoIP gateway applications.
• Single synchronous PCI interface for all 24 FXO/FXS ports.
• Connects to punch block using the included standard 12-line colour coded telephone cable. Or choose the optional Amphenol-Y cable, shown below that connects up to 24 lines to a telephone patch panel. (Sold Separately.)

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