asterisk:/var/log# tail -n 80 kern.log
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: down
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x01
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: start_stop_vm_led: OFF
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: down
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:34:25 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:34:31 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x01
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_ioctl: ZT_TONEDETECT: ON MUTE (dtmf_detection=NO)
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: __do_mute_dtmf: UNMUTE
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:34:32 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:34:34 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:34:34 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:34:34 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:34:37 asterisk kernel: Setting B-channel 0 to echo cancelable state on PCM slot 1
Mar 10 18:34:37 asterisk kernel: Enabling pass through for channel
Mar 10 18:34:37 asterisk kernel: vpm_echocan_on called taps [128] on timeslot 1
Mar 10 18:34:38 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:34:38 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:34:38 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:34:38 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:38 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:34:38 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:34:40 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:34:40 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:34:40 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:34:44 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:34:44 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:34:44 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:34:44 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:44 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:34:44 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:34:46 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:34:46 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:34:46 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:34:50 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:34:50 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:34:50 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:34:50 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:50 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:34:50 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:34:52 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:34:52 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:34:52 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:34:56 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:34:56 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:34:56 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:34:56 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:34:56 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:34:56 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:34:56 asterisk kernel: Setting B-channel 8 to echo cancelable state on PCM slot 17
Mar 10 18:34:56 asterisk kernel: Enabling pass through for channel
Mar 10 18:34:57 asterisk kernel: vpm_echocan_on called taps [128] on timeslot 17
Mar 10 18:34:58 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:34:58 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:34:58 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:35:02 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:35:02 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:35:02 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:35:02 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:35:02 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:35:02 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:35:04 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:35:04 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:35:04 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
Mar 10 18:35:08 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_START (2)
Mar 10 18:35:08 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_START
Mar 10 18:35:08 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_RING_send: on
Mar 10 18:35:08 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: set_vm_led_mode: OFF (Ignored)
Mar 10 18:35:08 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: do_chan_power: up
Mar 10 18:35:08 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x04
Mar 10 18:35:10 asterisk kernel: DEBUG-SIGNAL-xpp: xpp_hooksig: Setting XPP_FXS/00/00/4 to TXSIG_OFFHOOK (1)
Mar 10 18:35:10 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: FXS_card_hooksig: TXSIG_OFFHOOK
Mar 10 18:35:10 asterisk kernel: DEBUG-SIGNAL-xpd_fxs: XBUS-00/XPD-00/4: linefeed_control: value=0x02
asterisk:/var/log#