[2019-11-07 08:58:34.306] NOTICE[44036]: chan_dahdi.c:2792 my_handle_dchan_exception: Got DAHDI event: HDLC Abort (6) on D-channel of span 2
[2019-11-07 08:58:36.877] NOTICE[44036]: chan_dahdi.c:2792 my_handle_dchan_exception: Got DAHDI event: Alarm (4) on D-channel of span 2
[2019-11-07 08:58:36.877] WARNING[44036]: sig_pri.c:1212 pri_find_dchan: Span 2: D-channel is down!
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 32: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 33: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 34: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 35: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 36: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 37: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 38: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 39: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 40: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 41: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 42: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 43: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 44: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 45: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 46: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 48: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 49: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 50: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 51: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 52: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 53: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 54: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 55: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 56: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 57: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 58: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 59: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 60: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 61: Red Alarm
[2019-11-07 08:58:36.877] WARNING[44043]: chan_dahdi.c:7311 handle_alarms: Detected alarm on channel 62: Red Alarm
asterisk*CLI> pri show spans
PRI span 1/0: In Alarm, Down, Active
PRI span 2/0: In Alarm, Up, Active
[2019-11-07 08:58:43.419] PRI Span: 2 TEI=0 MDL-ERROR (I): T200 expired N200 times sending RR/RNR in state 8(Timer recovery)
[2019-11-07 08:58:43.419] PRI Span: 2 TEI=0 Sending SABME
[2019-11-07 08:58:43.419] PRI Span: 2 Changing from state 8(Timer recovery) to 5(Awaiting establishment)
[2019-11-07 08:58:43.419] Span 2: Processing event PRI_EVENT_DCHAN_DOWN(2)
  == [2019-11-07 08:58:43.419] Primary D-Channel on span 2 down
[2019-11-07 08:58:44.419] PRI Span: 2 TEI=0 Sending SABME
[2019-11-07 08:58:44.456] PRI Span: 2 TEI=0 Got UA
[2019-11-07 08:58:44.456] PRI Span: 2 Changing from state 5(Awaiting establishment) to 7(Multi-frame established)
[2019-11-07 08:58:44.456] Span 2: Processing event PRI_EVENT_DCHAN_UP(1)
  == [2019-11-07 08:58:44.456] Primary D-Channel on span 2 up
[2019-11-07 08:58:44.457] PRI Span: 2 TEI=0 Got SABME from cpe peer.
[2019-11-07 08:58:44.457] PRI Span: 2 TEI=0 Sending UA
[2019-11-07 08:58:44.457] PRI Span: 2 TEI=0 MDL-ERROR (F): SABME in state 7(Multi-frame established)
[2019-11-07 08:58:48.877] NOTICE[44036]: chan_dahdi.c:2792 my_handle_dchan_exception: Got DAHDI event: No more alarm (5) on D-channel of span 2
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/32
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/33
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/34
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/35
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/36
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/37
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/38
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/39
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/40
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/41
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/42
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/43
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/44
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/45
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/46
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/48
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/49
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/50
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/51
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/52
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/53
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/54
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/55
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/56
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/57
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/58
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/59
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/60
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/61
[2019-11-07 08:58:48.877] NOTICE[44043]: chan_dahdi.c:3527 publish_channel_alarm_clear: Alarm cleared on channel DAHDI/62
asterisk*CLI> pri show spans
PRI span 1/0: In Alarm, Down, Active
PRI span 2/0: Up, Active
asterisk*CLI>