Enabled debugging on span 2
PRI Span: 2 t203_expire
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=9, V(S)=9, V(R)=12
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=0
PRI Span: 2 > [ 00 01 01 19 ]
PRI Span: 2 > Supervisory frame:
PRI Span: 2 > SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 > N(R): 012 P/F: 1
PRI Span: 2 > 0 bytes of data
PRI Span: 2 -- Starting T200 timer
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 8(Timer recovery)
PRI Span: 2 < V(A)=9, V(S)=9, V(R)=12
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=1, N200=3, T203_id=0
PRI Span: 2 < [ 00 01 01 13 ]
PRI Span: 2 < Supervisory frame:
PRI Span: 2 < SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 < N(R): 009 P/F: 1
PRI Span: 2 < 0 bytes of data
PRI Span: 2 -- Got ACK for N(S)=9 to (but not including) N(S)=9
PRI Span: 2 -- Stopping T200 timer
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Done handling message for SAPI/TEI=0/0
  == Using SIP RTP CoS mark 5
    -- Executing [102@from-clients:1] Dial("SIP/vkushnir-0000000b", "DAHDI/g12/525593") in new stack
PRI Span: 2 -- Making new call for cref 32773
    -- Requested transfer capability: 0x00 - SPEECH
PRI Span: 2 
PRI Span: 2 > DL-DATA request
PRI Span: 2 > Protocol Discriminator: Q.931 (8)  len=28
PRI Span: 2 > TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent from originator)
PRI Span: 2 > Message Type: SETUP (5)
PRI Span: 2 TEI=0 Transmitting N(S)=9, window is open V(A)=9 K=7
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=9, V(S)=9, V(R)=12
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 00 01 12 18 08 02 00 05 05 04 03 80 90 a3 18 03 a1 83 81 6c 02 21 81 70 07 80 35 32 35 35 39 33 ]
PRI Span: 2 > Informational frame:
PRI Span: 2 > SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > N(S): 009   0: 0
PRI Span: 2 > N(R): 012   P: 0
PRI Span: 2 > 28 bytes of data
PRI Span: 2 > Protocol Discriminator: Q.931 (8)  len=28
PRI Span: 2 > TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent from originator)
PRI Span: 2 > Message Type: SETUP (5)
PRI Span: 2 > [04 03 80 90 a3]
PRI Span: 2 > Bearer Capability (len= 5) [ Ext: 1  Q.931 Std: 0  Info transfer capability: Speech (0)
PRI Span: 2 >                              Ext: 1  Trans mode/rate: 64kbps, circuit-mode (16)
PRI Span: 2 >                                User information layer 1: A-Law (35)
PRI Span: 2 > [18 03 a1 83 81]
PRI Span: 2 > Channel ID (len= 5) [ Ext: 1  IntID: Implicit  Other(PRI)  Spare: 0  Preferred  Dchan: 0
PRI Span: 2 >                       ChanSel: As indicated in following octets
PRI Span: 2 >                       Ext: 1  Coding: 0  Number Specified  Channel Type: 3
PRI Span: 2 >                       Ext: 1  Channel: 1 Type: CPE]
PRI Span: 2 > [6c 02 21 81]
PRI Span: 2 > Calling Number (len= 4) [ Ext: 0  TON: National Number (2)  NPI: ISDN/Telephony Numbering Plan (E.164/E.163) (1)
PRI Span: 2 >                           Presentation: Presentation permitted, user number passed network screening (1)  '' ]
PRI Span: 2 > [70 07 80 35 32 35 35 39 33]
PRI Span: 2 > Called Number (len= 9) [ Ext: 1  TON: Unknown Number Type (0)  NPI: Unknown Number Plan (0)  '525593' ]
PRI Span: 2 -- Stopping T203 timer
PRI Span: 2 -- Starting T200 timer
PRI Span: 2 q931.c:5039 q931_setup: Call 32773 enters state 1 (Call Initiated).  Hold state: Idle
    -- Called DAHDI/g12/525593
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=9, V(S)=10, V(R)=12
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=1, N200=3, T203_id=0
PRI Span: 2 < [ 00 01 01 14 ]
PRI Span: 2 < Supervisory frame:
PRI Span: 2 < SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 < N(R): 010 P/F: 0
PRI Span: 2 < 0 bytes of data
PRI Span: 2 -- Got ACK for N(S)=9 to (but not including) N(S)=10
PRI Span: 2 -- ACKing N(S)=9, txqueue head is N(S)=-1 (-1 is empty, -2 is not transmitted)
PRI Span: 2 -- Stopping T200 timer
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Done handling message for SAPI/TEI=0/0
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=10, V(S)=10, V(R)=12
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=0, N200=3, T203_id=1
PRI Span: 2 < [ 02 01 18 14 08 02 80 05 0d 18 03 a9 83 81 ]
PRI Span: 2 < Informational frame:
PRI Span: 2 < SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < N(S): 012   0: 0
PRI Span: 2 < N(R): 010   P: 0
PRI Span: 2 < 10 bytes of data
PRI Span: 2 < Protocol Discriminator: Q.931 (8)  len=10
PRI Span: 2 < TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent to originator)
PRI Span: 2 < Message Type: SETUP ACKNOWLEDGE (13)
PRI Span: 2 < [18 03 a9 83 81]
PRI Span: 2 < Channel ID (len= 5) [ Ext: 1  IntID: Implicit  Other(PRI)  Spare: 0  Exclusive  Dchan: 0
PRI Span: 2 <                       ChanSel: As indicated in following octets
PRI Span: 2 <                       Ext: 1  Coding: 0  Number Specified  Channel Type: 3
PRI Span: 2 <                       Ext: 1  Channel: 1 Type: CPE]
PRI Span: 2 -- Got ACK for N(S)=10 to (but not including) N(S)=10
PRI Span: 2 -- T200 requested to stop when not started
PRI Span: 2 T203 requested to start without stopping first
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Received message for call 0x6147d50 on 0x2aaaac217ae0 TEI/SAPI 0/0, call->pri is 0x2aaaac217ae0 TEI/SAPI 0/0
PRI Span: 2 -- Processing IE 24 (cs0, Channel Identification)
PRI Span: 2 q931.c:7390 post_handle_q931_message: Call 32773 enters state 2 (Overlap Sending).  Hold state: Idle
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=10, V(S)=10, V(R)=13
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 02 01 01 1a ]
PRI Span: 2 > Supervisory frame:
PRI Span: 2 > SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 > N(R): 013 P/F: 0
PRI Span: 2 > 0 bytes of data
PRI Span: 2 Done handling message for SAPI/TEI=0/0
Span: 2 Processing event: PRI_EVENT_SETUP_ACK
    -- DAHDI/i2/525593-5 is making progress passing it to SIP/vkushnir-0000000b
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=10, V(S)=10, V(R)=13
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=0, N200=3, T203_id=1
PRI Span: 2 < [ 02 01 1a 14 08 02 80 05 02 1e 02 82 88 ]
PRI Span: 2 < Informational frame:
PRI Span: 2 < SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < N(S): 013   0: 0
PRI Span: 2 < N(R): 010   P: 0
PRI Span: 2 < 9 bytes of data
PRI Span: 2 < Protocol Discriminator: Q.931 (8)  len=9
PRI Span: 2 < TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent to originator)
PRI Span: 2 < Message Type: CALL PROCEEDING (2)
PRI Span: 2 < [1e 02 82 88]
PRI Span: 2 < Progress Indicator (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0)  0: 0  Location: Public network serving the local user (2)
PRI Span: 2 <                               Ext: 1  Progress Description: Inband information or appropriate pattern now available. (8) ]
PRI Span: 2 -- Got ACK for N(S)=10 to (but not including) N(S)=10
PRI Span: 2 -- T200 requested to stop when not started
PRI Span: 2 T203 requested to start without stopping first
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Received message for call 0x6147d50 on 0x2aaaac217ae0 TEI/SAPI 0/0, call->pri is 0x2aaaac217ae0 TEI/SAPI 0/0
PRI Span: 2 -- Processing IE 30 (cs0, Progress Indicator)
PRI Span: 2 q931.c:7104 post_handle_q931_message: Call 32773 enters state 3 (Outgoing Call Proceeding).  Hold state: Idle
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=10, V(S)=10, V(R)=14
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 02 01 01 1c ]
PRI Span: 2 > Supervisory frame:
PRI Span: 2 > SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 > N(R): 014 P/F: 0
PRI Span: 2 > 0 bytes of data
PRI Span: 2 Done handling message for SAPI/TEI=0/0
Span: 2 Processing event: PRI_EVENT_PROCEEDING
    -- DAHDI/i2/525593-5 is proceeding passing it to SIP/vkushnir-0000000b
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=10, V(S)=10, V(R)=14
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=0, N200=3, T203_id=1
PRI Span: 2 < [ 02 01 1c 14 08 02 80 05 01 1e 02 81 88 ]
PRI Span: 2 < Informational frame:
PRI Span: 2 < SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < N(S): 014   0: 0
PRI Span: 2 < N(R): 010   P: 0
PRI Span: 2 < 9 bytes of data
PRI Span: 2 < Protocol Discriminator: Q.931 (8)  len=9
PRI Span: 2 < TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent to originator)
PRI Span: 2 < Message Type: ALERTING (1)
PRI Span: 2 < [1e 02 81 88]
PRI Span: 2 < Progress Indicator (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0)  0: 0  Location: Private network serving the local user (1)
PRI Span: 2 <                               Ext: 1  Progress Description: Inband information or appropriate pattern now available. (8) ]
PRI Span: 2 -- Got ACK for N(S)=10 to (but not including) N(S)=10
PRI Span: 2 -- T200 requested to stop when not started
PRI Span: 2 T203 requested to start without stopping first
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Received message for call 0x6147d50 on 0x2aaaac217ae0 TEI/SAPI 0/0, call->pri is 0x2aaaac217ae0 TEI/SAPI 0/0
PRI Span: 2 -- Processing IE 30 (cs0, Progress Indicator)
PRI Span: 2 q931.c:6983 post_handle_q931_message: Call 32773 enters state 4 (Call Delivered).  Hold state: Idle
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=10, V(S)=10, V(R)=15
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 02 01 01 1e ]
PRI Span: 2 > Supervisory frame:
PRI Span: 2 > SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 > N(R): 015 P/F: 0
PRI Span: 2 > 0 bytes of data
PRI Span: 2 Done handling message for SAPI/TEI=0/0
Span: 2 Processing event: PRI_EVENT_RINGING
    -- DAHDI/i2/525593-5 is ringing
PRI Span: 2 q931_hangup: other hangup
PRI Span: 2 NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Call Delivered, peerstate Call Received, hold-state Idle
PRI Span: 2 q931.c:4845 q931_disconnect: Call 32773 enters state 11 (Disconnect Request).  Hold state: Idle
PRI Span: 2 
PRI Span: 2 > DL-DATA request
PRI Span: 2 > Protocol Discriminator: Q.931 (8)  len=9
PRI Span: 2 > TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent from originator)
PRI Span: 2 > Message Type: DISCONNECT (69)
PRI Span: 2 TEI=0 Transmitting N(S)=10, window is open V(A)=10 K=7
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=10, V(S)=10, V(R)=15
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 00 01 14 1e 08 02 00 05 45 08 02 81 90 ]
PRI Span: 2 > Informational frame:
PRI Span: 2 > SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > N(S): 010   0: 0
PRI Span: 2 > N(R): 015   P: 0
PRI Span: 2 > 9 bytes of data
PRI Span: 2 > Protocol Discriminator: Q.931 (8)  len=9
PRI Span: 2 > TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent from originator)
PRI Span: 2 > Message Type: DISCONNECT (69)
PRI Span: 2 > [08 02 81 90]
PRI Span: 2 > Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0)  Spare: 0  Location: Private network serving the local user (1)
PRI Span: 2 >                  Ext: 1  Cause: Normal Clearing (16), class = Normal Event (1) ]
PRI Span: 2 -- Stopping T203 timer
PRI Span: 2 -- Starting T200 timer
    -- Hungup 'DAHDI/i2/525593-5'
  == Spawn extension (from-clients, 102, 1) exited non-zero on 'SIP/vkushnir-0000000b'
    -- Executing [h@from-clients:1] NoOp("SIP/vkushnir-0000000b", "Hanging up") in new stack
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=10, V(S)=11, V(R)=15
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=1, N200=3, T203_id=0
PRI Span: 2 < [ 00 01 01 16 ]
PRI Span: 2 < Supervisory frame:
PRI Span: 2 < SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 < N(R): 011 P/F: 0
PRI Span: 2 < 0 bytes of data
PRI Span: 2 -- Got ACK for N(S)=10 to (but not including) N(S)=11
PRI Span: 2 -- ACKing N(S)=10, txqueue head is N(S)=-1 (-1 is empty, -2 is not transmitted)
PRI Span: 2 -- Stopping T200 timer
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Done handling message for SAPI/TEI=0/0
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=11, V(S)=11, V(R)=15
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=0, N200=3, T203_id=1
PRI Span: 2 < [ 02 01 1e 16 08 02 80 05 4d ]
PRI Span: 2 < Informational frame:
PRI Span: 2 < SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < N(S): 015   0: 0
PRI Span: 2 < N(R): 011   P: 0
PRI Span: 2 < 5 bytes of data
PRI Span: 2 < Protocol Discriminator: Q.931 (8)  len=5
PRI Span: 2 < TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent to originator)
PRI Span: 2 < Message Type: RELEASE (77)
PRI Span: 2 -- Got ACK for N(S)=11 to (but not including) N(S)=11
PRI Span: 2 -- T200 requested to stop when not started
PRI Span: 2 T203 requested to start without stopping first
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Received message for call 0x6147d50 on 0x2aaaac217ae0 TEI/SAPI 0/0, call->pri is 0x2aaaac217ae0 TEI/SAPI 0/0
PRI Span: 2 q931.c:7237 post_handle_q931_message: Call 32773 enters state 0 (Null).  Hold state: Idle
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=11, V(S)=11, V(R)=16
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 02 01 01 20 ]
PRI Span: 2 > Supervisory frame:
PRI Span: 2 > SAPI: 00  C/R: 1 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 > N(R): 016 P/F: 0
PRI Span: 2 > 0 bytes of data
PRI Span: 2 Done handling message for SAPI/TEI=0/0
Span: 2 Processing event: PRI_EVENT_HANGUP
PRI Span: 2 q931_hangup: other hangup
PRI Span: 2 NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Release Request, hold-state Idle
PRI Span: 2 
PRI Span: 2 > DL-DATA request
PRI Span: 2 > Protocol Discriminator: Q.931 (8)  len=9
PRI Span: 2 > TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent from originator)
PRI Span: 2 > Message Type: RELEASE COMPLETE (90)
PRI Span: 2 TEI=0 Transmitting N(S)=11, window is open V(A)=11 K=7
PRI Span: 2 
PRI Span: 2 > TEI: 0 State 7(Multi-frame established)
PRI Span: 2 > V(A)=11, V(S)=11, V(R)=16
PRI Span: 2 > K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 > T200_id=0, N200=3, T203_id=1
PRI Span: 2 > [ 00 01 16 20 08 02 00 05 5a 08 02 81 90 ]
PRI Span: 2 > Informational frame:
PRI Span: 2 > SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 >  TEI: 000        EA: 1
PRI Span: 2 > N(S): 011   0: 0
PRI Span: 2 > N(R): 016   P: 0
PRI Span: 2 > 9 bytes of data
PRI Span: 2 > Protocol Discriminator: Q.931 (8)  len=9
PRI Span: 2 > TEI=0 Call Ref: len= 2 (reference 5/0x5) (Sent from originator)
PRI Span: 2 > Message Type: RELEASE COMPLETE (90)
PRI Span: 2 > [08 02 81 90]
PRI Span: 2 > Cause (len= 4) [ Ext: 1  Coding: CCITT (ITU) standard (0)  Spare: 0  Location: Private network serving the local user (1)
PRI Span: 2 >                  Ext: 1  Cause: Normal Clearing (16), class = Normal Event (1) ]
PRI Span: 2 -- Stopping T203 timer
PRI Span: 2 -- Starting T200 timer
PRI Span: 2 q931_hangup: other hangup
PRI Span: 2 NEW_HANGUP DEBUG: Calling q931_hangup, ourstate Null, peerstate Null, hold-state Idle
PRI Span: 2 NEW_HANGUP DEBUG: Destroying the call, ourstate Null, peerstate Null, hold-state Idle
PRI Span: 2 
PRI Span: 2 < TEI: 0 State 7(Multi-frame established)
PRI Span: 2 < V(A)=11, V(S)=12, V(R)=16
PRI Span: 2 < K=7, RC=0, l3initiated=0, reject_except=0, ack_pend=0
PRI Span: 2 < T200_id=1, N200=3, T203_id=0
PRI Span: 2 < [ 00 01 01 18 ]
PRI Span: 2 < Supervisory frame:
PRI Span: 2 < SAPI: 00  C/R: 0 EA: 0
PRI Span: 2 <  TEI: 000        EA: 1
PRI Span: 2 < Zero: 0     S: 0 01: 1  [ RR (receive ready) ]
PRI Span: 2 < N(R): 012 P/F: 0
PRI Span: 2 < 0 bytes of data
PRI Span: 2 -- Got ACK for N(S)=11 to (but not including) N(S)=12
PRI Span: 2 -- ACKing N(S)=11, txqueue head is N(S)=-1 (-1 is empty, -2 is not transmitted)
PRI Span: 2 -- Stopping T200 timer
PRI Span: 2 -- Starting T203 timer
PRI Span: 2 Done handling message for SAPI/TEI=0/0