pbx*CLI> module load chan_dahdi.so 
  == Registered application 'DAHDISendKeypadFacility'
  == Parsing '/etc/asterisk/chan_dahdi.conf': [Jun 26 20:20:10] DEBUG[19813]: config.c:1324 config_text_file_load: Parsing /etc/asterisk/chan_dahdi.conf
  == Found
  == Parsing '/etc/asterisk/users.conf': [Jun 26 20:20:10] DEBUG[19813]: config.c:1324 config_text_file_load: Parsing /etc/asterisk/users.conf
  == Found
    -- Automatically generated pseudo channel
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 1, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 1: Red Alarm
    -- Registered channel 1, ISDN BRI Point to MultiPoint signalling
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 2, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 2: Red Alarm
    -- Registered channel 2, ISDN BRI Point to MultiPoint signalling
    -- Automatically generated pseudo channel
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 4, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 4: Red Alarm
    -- Registered channel 4, ISDN BRI Point to MultiPoint signalling
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 5, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 5: Red Alarm
    -- Registered channel 5, ISDN BRI Point to MultiPoint signalling
    -- Automatically generated pseudo channel
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 7, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 7: Red Alarm
    -- Registered channel 7, ISDN BRI Point to MultiPoint signalling
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 8, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 8: Red Alarm
    -- Registered channel 8, ISDN BRI Point to MultiPoint signalling
    -- Automatically generated pseudo channel
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 10, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 10: Red Alarm
    -- Registered channel 10, ISDN BRI Point to MultiPoint signalling
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 11, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 11: Red Alarm
    -- Registered channel 11, ISDN BRI Point to MultiPoint signalling
    -- Automatically generated pseudo channel
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 13, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 13: Red Alarm
    -- Registered channel 13, FXS Loopstart signalling
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 14, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 14: Red Alarm
    -- Registered channel 14, FXS Loopstart signalling
[Jun 26 20:20:10] DEBUG[19813]: chan_dahdi.c:2010 update_conf: Updated conferencing on 15, with 0 conference users
[Jun 26 20:20:10] WARNING[19813]: chan_dahdi.c:4707 handle_alarms: Detected alarm on channel 15: Red Alarm
    -- Registered channel 15, FXS Loopstart signalling
    -- Automatically generated pseudo channel
  == Starting D-Channel on span 1
  == Starting D-Channel on span 2
  == Starting D-Channel on span 3
  == Starting D-Channel on span 4
[Jun 26 20:20:10] DEBUG[19813]: channel.c:578 ast_channel_register: Registered handler for 'DAHDI' (DAHDI Telephony Driver w/PRI)
  == Registered channel type 'DAHDI' (DAHDI Telephony Driver w/PRI)
  == Manager registered action DAHDITransfer
  == Manager registered action DAHDIHangup
  == Manager registered action DAHDIDialOffhook
  == Manager registered action DAHDIDNDon
  == Manager registered action DAHDIDNDoff
  == Manager registered action DAHDIShowChannels
  == Manager registered action DAHDIRestart
 Loaded chan_dahdi.so => (DAHDI Telephony w/PRI)
pbx*CLI> pri intensive debug span 1
Enabled EXTENSIVE debugging on span 1
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f af d4 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 45012
> Ai: 127 E:1
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f b2 28 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 45608
> Ai: 127 E:1
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f f3 46 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 62278
> Ai: 127 E:1
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f a6 a5 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 42661
> Ai: 127 E:1
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f 6d 07 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 27911
> Ai: 127 E:1
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f 38 4c 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 14412
> Ai: 127 E:1
[Jun 26 20:21:16] NOTICE[19847]: chan_dahdi.c:11105 pri_dchannel: PRI got event: No more alarm (5) on Primary D-channel of span 1
q921.c:852 q921_reset: q921_state now is Q921_LINK_CONNECTION_RELEASED
Sending TEI management message 1, TEI=127

> [ fc ff 03 0f 98 b5 01 ff ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Request (1)
> RI: 39093
> Ai: 127 E:1
[Jun 26 20:21:16] DEBUG[19847]: chan_dahdi.c:11126 pri_dchannel: Got event No more alarm (5) on D-channel for span 1
[Jun 26 20:21:16] DEBUG[19851]: chan_dahdi.c:8561 do_monitor: Monitor doohicky got event No more alarm on channel 1
[Jun 26 20:21:16] NOTICE[19851]: chan_dahdi.c:8255 handle_init_event: Alarm cleared on channel 1
[Jun 26 20:21:16] DEBUG[19851]: chan_dahdi.c:8561 do_monitor: Monitor doohicky got event No more alarm on channel 2
[Jun 26 20:21:16] NOTICE[19851]: chan_dahdi.c:8255 handle_init_event: Alarm cleared on channel 2
pbx*CLI> 
< [ fe ff 03 0f 98 b5 02 bd ]

< Unnumbered frame:
< SAPI: 63  C/R: 1 EA: 0
<  TEI: 127        EA: 1
<   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
< 5 bytes of data
< MDL Message: TEI Identity Assigned (2)
< RI: 39093
< Ai: 94 E:1
Handling message for SAPI/TEI=63/127
Received MDL message
TEI assiged to 94
q921.c:852 q921_reset: q921_state now is Q921_LINK_CONNECTION_RELEASED
Sending Set Asynchronous Balanced Mode Extended

> [ 00 bd 7f ]

> Unnumbered frame:
> SAPI: 00  C/R: 0 EA: 0
>  TEI: 094        EA: 1
>   M3: 3   P/F: 1 M2: 3 11: 3  [ SABME (set asynchronous balanced mode extended) ]
> 0 bytes of data
q921.c:211 q921_send_sabme: q921_state now is Q921_AWAITING_ESTABLISH
-- Restarting T203 timer
pbx*CLI> 
< [ 00 bd 73 ]

< Unnumbered frame:
< SAPI: 00  C/R: 0 EA: 0
<  TEI: 094        EA: 1
<   M3: 3   P/F: 1 M2: 0 11: 3  [ UA (unnumbered acknowledgement) ]
< 0 bytes of data
Handling message for SAPI/TEI=0/94
-- Got UA from network peer  Link up.
q921.c:801 q921_dchannel_up: q921_state now is Q921_LINK_CONNECTION_ESTABLISHED
-- Restarting T203 timer
  == Primary D-Channel on span 1 up
pbx*CLI> 
< [ fe ff 03 0f 00 00 04 ff ]

< Unnumbered frame:
< SAPI: 63  C/R: 1 EA: 0
<  TEI: 127        EA: 1
<   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
< 5 bytes of data
< MDL Message: TEI Identity Check Request (4)
< RI: 0
< Ai: 127 E:1
Handling message for SAPI/TEI=63/127
Received MDL message
Sending TEI management message 5, TEI=94

> [ fc ff 03 0f ac cf 05 bd ]

> Unnumbered frame:
> SAPI: 63  C/R: 0 EA: 0
>  TEI: 127        EA: 1
>   M3: 0   P/F: 0 M2: 0 11: 3  [ UI (unnumbered information) ]
> 5 bytes of data
> MDL Message: TEI Identity Check Response (5)
> RI: 44239
> Ai: 94 E:1
-- Restarting T203 timer
T203 counter expired, sending RR and scheduling T203 again
Sending Receiver Ready (0)

> [ 00 bd 01 01 ]

> Supervisory frame:
> SAPI: 00  C/R: 0 EA: 0
>  TEI: 094        EA: 1
> Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
> N(R): 000 P/F: 1
> 0 bytes of data
pbx*CLI> 
< [ 02 bd 01 01 ]

< Supervisory frame:
< SAPI: 00  C/R: 1 EA: 0
<  TEI: 094        EA: 1
< Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
< N(R): 000 P/F: 1
< 0 bytes of data
Handling message for SAPI/TEI=0/94
-- ACKing all packets from 0 to (but not including) 0
-- Since there was nothing left, stopping T200 counter
-- Stopping T203 counter since we got an ACK
-- Nothing left, starting T203 counter
-- Unsolicited RR with P/F bit, responding
Sending Receiver Ready (0)

> [ 02 bd 01 01 ]

> Supervisory frame:
> SAPI: 00  C/R: 1 EA: 0
>  TEI: 094        EA: 1
> Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
> N(R): 000 P/F: 1
> 0 bytes of data
-- Restarting T203 timer
pbx*CLI> 
< [ 00 bd 01 01 ]

< Supervisory frame:
< SAPI: 00  C/R: 0 EA: 0
<  TEI: 094        EA: 1
< Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
< N(R): 000 P/F: 1
< 0 bytes of data
Handling message for SAPI/TEI=0/94
-- ACKing all packets from 0 to (but not including) 0
-- Since there was nothing left, stopping T200 counter
-- Stopping T203 counter since we got an ACK
-- Nothing left, starting T203 counter
-- Got RR response to our frame
-- Restarting T203 timer
T203 counter expired in weird state 4
pbx*CLI> pri no debug span 1
Disabled debugging on span 1
pbx*CLI>