digium b410 не ходят звонки

Добрый день. Есть карточка Digium B410P ISDN. Перестали ходить звонки. Подскажите, что не так. В консоли при входящих:

 -- Span 4: Channel 0/1 got hangup, cause 27 -- DAHDI/i4/0763393745-1 is circuit-busy cat /etc/dahdi/system.conf # Autogenerated by /usr/sbin/dahdi_genconf on Tue Sep 17 16:29:48 2013 # If you edit this file and execute /usr/sbin/dahdi_genconf again, # your manual changes will be LOST. # Dahdi Configuration File # # This file is parsed by the Dahdi Configurator, dahdi_cfg # # Span 1: B4/0/1 "B4XXP (PCI) Card 0 Span 1" (MASTER) RED span=1,1,0,ccs,ami # termtype: te bchan=1-2 hardhdlc=3 echocanceller=mg2,1-2 # Span 2: B4/0/2 "B4XXP (PCI) Card 0 Span 2" RED span=2,2,0,ccs,ami # termtype: te bchan=4-5 hardhdlc=6 echocanceller=mg2,4-5 # Span 3: B4/0/3 "B4XXP (PCI) Card 0 Span 3" RED span=3,3,0,ccs,ami # termtype: te bchan=7-8 hardhdlc=9 echocanceller=mg2,7-8 # Span 4: B4/0/4 "B4XXP (PCI) Card 0 Span 4" RED span=4,4,0,ccs,ami # termtype: te bchan=10-11 hardhdlc=12 echocanceller=mg2,10-11 

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pri intense debug span 4 Enabled debugging on span 4 = -- Executing [00763393745@ct_richardsbay:15] Macro("SIP/6000-00000001", "queuelog,1383675389,1383675389.2,q-600,SIP/6000,CALLOUTBOUND,-,0763393745") in new stack -- Executing [s@macro-queuelog:1] QueueLog("SIP/6000-00000001", "q-600,1383675389.2,SIP/6000,CALLOUTBOUND,-|number|") in new stack -- Executing [number@host:16] Dial("SIP/6000-00000001", "DAHDI/g1/0763393745,500,gM(qm_callvar^1383675389.2^QDV-SIP/6000^q-600^SIP/6000^1383675389^number)") in new stack PRI Span: 4 -- Mak0 -- Requested transfer capability: 0x00 - SPEECH PRI Span: 4 PRI Span: 4 > DL-DATA request PRI Span: 4 > Protocol Discriminator: Q.931 (8) len=34 PRI Span: 4 > TEI=-93 Call Ref: len= 1 (reference 2/0x2) (Sent from originator) PRI Span: 4 > Message Type: SETUP (5) PRI Span: 4 Changing from state 1(TEI unassigned) to 3(Establish awaiting TEI) PRI Span: 4 Sending TEI management message 1(TEI Identity Request), TEI=127 PRI Span: 4 PRI Span: 4 > TEI: -93 State 3(Establish awaiting TEI) PRI Span: 4 > V(A)=0, V(S)=0, V(R)=0 PRI Span: 4 > K=1, RC=0, l3_initiated=1, reject_except=0, ack_pend=0 PRI Span: 4 > T200_id=0, N200=3, T203_id=0 PRI Span: 4 > [ fc ff 03 0f 4e 26 01 ff ] PRI Span: 4 > Unnumbered frame: PRI Span: 4 > SAPI: 63 C/R: 0 EA: 0 PRI Span: 4 > TEI: 127 EA: 1 PRI Span: 4 > M3: 0 P/F: 0 M2: 0 11: 3 [ UI (unnumbered information) ] PRI Span: 4 > 5 bytes of data PRI Span: 4 > MDL Message: 1(TEI Identity Request) PRI Span: 4 > Ri: 20006 PRI Span: 4 > Ai: 127 E:1 PRI Span: 4 TEI=-93 Just queued I-frame since in state 3(Establish awaiting TEI) PRI Span: 4 q931.c:6334 q931_setup: Call 32770 enters state 1 (Call Initiated). Hold state: Idle -- Called DAHDI/g1/0763393745 PRI Span: 4 T303 timed out. cref:32770 PRI Span: 4 PRI Span: 4 > DL-DATA request PRI Span: 4 > Protocol Discriminator: Q.931 (8) len=34 PRI Span: 4 > TEI=-93 Call Ref: len= 1 (reference 2/0x2) (Sent from originator) PRI Span: 4 > Message Type: SETUP (5) PRI Span: 4 TEI=-93 Just queued I-frame since in state 3(Establish awaiting TEI) PRI Span: 4 T303 timed out. cref:32770 PRI Span: 4 q931.c:6223 t303_expiry: Call 32770 enters state 0 (Null). Hold state: Idle PRI Span: 4 Fake clearing. cref:32770 PRI Span: 4 q931.c:9606 pri_internal_clear: alive 1, hangupack 1 Span 4: Processing event PRI_EVENT_HANGUP -- Span 4: Channel 0/1 got hangup, cause 18 PRI Span: 4 q931.c:7135 q931_hangup: Hangup other cref:32770 PRI Span: 4 q931.c:6892 __q931_hangup: ourstate Null, peerstate Null, hold-state Idle PRI Span: 4 Destroying call 0x7fcf280071f0, ourstate Null, peerstate Null, hold-state Idle -- Hungup 'DAHDI/i4/0763393745-2' == Everyone is busy/congested at this time (1:0/0/1) PRI Span: 4 Sending TEI management message 1(TEI Identity Request), TEI=127 PRI Span: 4 PRI Span: 4 > TEI: -93 State 3(Establish awaiting TEI) PRI Span: 4 > V(A)=0, V(S)=0, V(R)=0 PRI Span: 4 > K=1, RC=0, l3_initiated=1, reject_except=0, ack_pend=0 PRI Span: 4 > T200_id=0, N200=3, T203_id=0 PRI Span: 4 > [ fc ff 03 0f 40 ea 01 ff ] PRI Span: 4 > Unnumbered frame: PRI Span: 4 > SAPI: 63 C/R: 0 EA: 0 PRI Span: 4 > TEI: 127 EA: 1 PRI Span: 4 > M3: 0 P/F: 0 M2: 0 11: 3 [ UI (unnumbered information) ] PRI Span: 4 > 5 bytes of data PRI Span: 4 > MDL Message: 1(TEI Identity Request) PRI Span: 4 > Ri: 16618 PRI Span: 4 > Ai: 127 E:1 PRI Span: 4 Sending TEI management message 1(TEI Identity Request), TEI=127 PRI Span: 4 PRI Span: 4 > TEI: -93 State 3(Establish awaiting TEI) PRI Span: 4 > V(A)=0, V(S)=0, V(R)=0 PRI Span: 4 > K=1, RC=0, l3_initiated=1, reject_except=0, ack_pend=0 PRI Span: 4 > T200_id=0, N200=3, T203_id=0 PRI Span: 4 > [ fc ff 03 0f 48 da 01 ff ] PRI Span: 4 > Unnumbered frame: PRI Span: 4 > SAPI: 63 C/R: 0 EA: 0 PRI Span: 4 > TEI: 127 EA: 1 PRI Span: 4 > M3: 0 P/F: 0 M2: 0 11: 3 [ UI (unnumbered information) ] PRI Span: 4 > 5 bytes of data PRI Span: 4 > MDL Message: 1(TEI Identity Request) PRI Span: 4 > Ri: 18650 PRI Span: 4 > Ai: 127 E:1 [Nov 5 20:17:00] ERROR[1559]: chan_dahdi.c:14190 dahdi_pri_error: PRI Span: 4 Unable to receive TEI from network in state 3(Establish awaiting TEI)! 

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pri show spans PRI span 1/0: In Alarm, Down, Active PRI span 2/0: In Alarm, Down, Active PRI span 3/0: In Alarm, Down, Active PRI span 4/0: Up, Active 

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dahdi_cfg -vv DAHDI Tools Version - 2.6.2 DAHDI Version: 2.6.2 Echo Canceller(s): HWEC Configuration ====================== SPAN 1: CCS/ AMI Build-out: 0 db (CSU)/0-133 feet (DSX-1) SPAN 2: CCS/ AMI Build-out: 0 db (CSU)/0-133 feet (DSX-1) SPAN 3: CCS/ AMI Build-out: 0 db (CSU)/0-133 feet (DSX-1) SPAN 4: CCS/ AMI Build-out: 0 db (CSU)/0-133 feet (DSX-1) Channel map: Channel 01: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 01) Channel 02: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 02) Channel 03: Hardware assisted D-channel (Default) (Echo Canceler: none) (Slaves: 03) Channel 04: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 04) Channel 05: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 05) Channel 06: Hardware assisted D-channel (Default) (Echo Canceler: none) (Slaves: 06) Channel 07: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 07) Channel 08: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 08) Channel 09: Hardware assisted D-channel (Default) (Echo Canceler: none) (Slaves: 09) Channel 10: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 10) Channel 11: Clear channel (Default) (Echo Canceler: mg2) (Slaves: 11) Channel 12: Hardware assisted D-channel (Default) (Echo Canceler: none) (Slaves: 12) 12 channels to configure. 

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at chan_dahdi.conf [trunk-groups] [channels] ;Digium Wildcard B410P quad-BRI card group=1 signalling=bri_cpe_ptmp switchtype=euroisdn context=from-pstn echocancel=yes usecallerid=yes hidecallerid=no channel => 1,2,4,5,7,8,10,11