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The Sangoma A400 analog telephony card offers high-density analog capabilities with configurations ranging from 2 to 24 ports for Asterisk, FreePBX, and PBXact systems. It supports up to 24 PSTN calls on a single PCI Express slot. The card’s modular design allows you to mix FXO and FXS interfaces for a customized port configuration.
The base A400 card provides 2-12 analog ports with dual-channel interface modules and can be expanded to 24 ports using additional daughterboards and the Remora backplane system.
Applications include PSTN trunking, SIP trunking, fax and legacy gateway functions, and call recording.
