这个系统不错，asterisk 可以跑在 PCI 上面。
任何操作系统都可以支持， XP 上面都可以跑了。不需要再安装linux.
The V-Series PCI card by Positron Telecom is a leap forward in thetelecommunications card market. It is the first of its kind to offerthe functionality of Asterisk PBX on a card with integrated telephonyports, hardware based echo cancellation and Ethernet interface.
By integrating the Linux, Asterisk, Echo Canceller, Ethernet (for PCIand LAN), Telephone ports (FXS) and Gateway functionality (FXO) we havecreated the first standalone solution that can be installed in any PCand by interfacing Ethernet to the PCI bus we have also made it an ANYOperating System solution – no special drivers required.
• Installs simply and quickly as an Ethernet adapter
• Provides an ANY operating system solution for Asterisk users
• Allows any SIP based application to speak directly to the card
• Unlike other card solutions there is no additional hardware setup required
• Provides the functionality of PBX & Gateway in one solution
• Single Compact Flash port
• Four Foreign Exchange Office (FXO) ports for connection to the telephone network
• Single Foreign Exchange Station (FXS) port for connecting a phone or fax machine
• Hardware based G.168 echo cancellation chip up to 128ms tail length
• PCI 2.2 compliant Ethernet interface
• 10/100Mbps auto MDIX Ethernet port
• G.711 ulaw & alaw
• G.729 a/b