The board is opened with FRAMERS (E1), even though this example * does not have PSTN Users, only IP Users. * * The board is opened and controlled via the PCI interface. * * Channels 0, 1 are opened (Trunk 0, BChannels 1, 2) and * activa

音频输入输出测试,LOOPBACK TEST-Audio input and output test, LOOPBACK TEST