Etross-800P is a 4 port FXS/FXO analog Asterisk PCI card which is mainly applied to PSTN environment. It supports all the functions of Asterisk PBX systems n...
AEX410 is a PCI-Express compliant analog card with 4 ports FXO/FXS, It can be used to build a SOHO telephony solution or SMB telephony environments capab...