Description
The Sangoma A400 analog telephony card is our high-density analog card from two (2) to 24 ports for Asterisk, FreePBX, and PBXact phone systems. That's up to 24 PSTN calls all on a single PCI Express slot. The modular nature of the cards allows you to mix and match between FXO and FXS interfaces, giving you the exact port configuration you need.