cat /proc/interrupts CPU0 0: 2488303 XT-PIC timer 2: 0 XT-PIC cascade 5: 170092 XT-PIC eth0 8: 1 XT-PIC rtc 10: 0 XT-PIC Intel ICH5 14: 18942 XT-PIC ide0 15: 21684 XT-PIC ide1 NMI: 0 ERR: 0 ztcfg -vvvv Notice: Configuration file is /etc/zaptel.conf line 24: Unable to read Zaptel version information. Zaptel Version: Unknown Echo Canceller: Unknown Configuration ====================== Channel map: Channel 01: FXS Kewlstart (Default) (Slaves: 01) Channel 02: FXS Kewlstart (Default) (Slaves: 02) Channel 03: FXS Kewlstart (Default) (Slaves: 03) 3 channels configured. ZT_CHANCONFIG failed on channel 1: Inappropriate ioctl for device (25)