Hi everyone,
i have a really strange problem. Signaling is looking OK, but not.
INSERVICE but DOWN. My Telco did not receive SLTM messages from me.
*ss7 show linkset 2*
SS7 flags: 0x0
SS7 linkset 2 status: Down
SS7 calling nai: 3
SS7 called nai: -1
SS7 nationalprefix: 0
SS7 internationalprefix: 00
SS7 unknownprefix: iwillnotusethisnai
SS7 networkroutedprefix: iwillnotusethisnai
SS7 subscriberprefix:
Switch type: ITU
Our point code: 5450
SLS shift: 0
numlinks: 1
numsps: 1
---------------------------------
Adjecent SP PC: 1890 STATE: DOWN
TRA: T19: not running T21: not running
Routes:
DPC State T6 T10
Link SLC: 0 NetMngSLS: 0
State: INSERVICE, DOWN
STD Test: failed
Got, sent :
Inhibit:
Changeover: NO
Tx buffer: 0
Tx queue: 0
Retrans pos 0
CO buffer: 0
CB buffer: 0
Last FSN: 61
MTP3timers: Q707_T1(0s)
*cat /etc/asterisk/chan_dahdi.conf*
language=en
context=from-globul-mobile
group=3
ss7type = itu
ss7_called_nai=dynamic
ss7_calling_nai=national
ss7_nationalprefix=0
ss7_internationalprefix=00
ss7_networkroutedprefix=iwillnotusethisnai
ss7_unknownprefix=iwillnotusethisnai
linkset = 2
pointcode = 5450
adjpointcode = 1890
defaultdpc = 1802
networkindicator=national
cicbeginswith = 1
channel = 63-77
cicbeginswith = 17
channel = 79-93
sigchan = 78
slc=0
mtp3_timer.q707_t1 = 4000
mtp3_timer.q707_t2 = 30000
mtp3_timer.t1 = 500
mtp3_timer.t2 = 700
mtp3_timer.t3 = 500
mtp3_timer.t4 = 500
mtp3_timer.t5 = 500
mtp3_timer.t6 = 500
mtp3_timer.t10 = 60000
mtp3_timer.t12 = 800
mtp3_timer.t13 = 800
mtp3_timer.t14 = 2000
mtp3_timer.t19 = 67000
mtp3_timer.t21 = 63000
mtp3_timer.t22 = 300000
mtp3_timer.t23 = 300000
isup_timer.t1 = 30000
isup_timer.t2 = 180000
isup_timer.t5 = 300000
isup_timer.t6 = 90000
isup_timer.t7 = 20000
isup_timer.t8 = 10000
isup_timer.t12 = 15000
isup_timer.t13 = 300000
isup_timer.t14 = 15000
isup_timer.t15 = 300000
isup_timer.t16 = 15000
isup_timer.t17 = 300000
isup_timer.t18 = 15000
isup_timer.t19 = 300000
isup_timer.t20 = 15000
isup_timer.t21 = 300000
isup_timer.t22 = 15000
isup_timer.t23 = 300000
isup_timer.t27 = 240000
isup_timer.t33 = 12000
isup_timer.t35 = 15000
isup_timer.digittimeout = 5000
*dahdi/system.conf*
dynamic=ethmf,eth3/00:50:C2:65:DE:91/2,31,0
bchan=63-77,79-93
mtp2=78
alaw=63-77,79-93
*dahdi_scan 3 | grep alarms*
alarms=OK
In asterisk cli with enabled debug for this linkset i have this :
Len = 20 [ a7 a8 11 81 62 87 52 05 11 a0 32 35 36 34 32 38 36 32 38 38 ]
FSN: 40 FIB 1
BSN: 39 BIB 1
>[0] MSU
[ a7 a8 11 ]
Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
[ 81 ]
OPC 5450 DPC 1890 SLS 0
[ 62 87 52 05 ]
H0: 1 H1: 1
[ 11 a0 32 35 36 34 32 38 36 32 38 38 ]
ss7node1*CLI>
Len = 20 [ a7 a8 11 81 62 87 52 05 11 a0 32 35 36 34 32 38 36 32 38 38 ]
FSN: 40 FIB 1
BSN: 39 BIB 1
<[0] MSU
[ a7 a8 11 ]
Network Indicator: 2 Priority: 0 User Part: STD_TEST (1)
[ 81 ]
OPC 5450 DPC 1890 SLS 0
[ 62 87 52 05 ]
H0: 1 H1: 1
[ 11 a0 32 35 36 34 32 38 36 32 38 38 ]
[Dec 17 18:18:21] ERROR[12603]: chan_dahdi.c:10935 dahdi_ss7_error:
Received message destined for point code 0x762 but we're 0x154a. Dropping
if anyone knows what to do in that case, please let me help with some
advice.
Thank you!
Regards,
Peter Petrov
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