[asterisk-ss7] Libss7

Wed Nov 23 08:33:26 CST 2022

If I make a loop on the Digium,  I have to set slc= 0 and the channels are
OK. If I connect the trunk to the Digium I loose synchronization, but if I
connect to the trunk to a yeastar the synchronization is restored.

El mié, 23 nov 2022 a las 9:36, Krzysztof Drewicz (<
krzysztofdrewicz at gmail.com>) escribió:

>
> Hello,
>
> 1st check the cables, if you make a loop on your connection - does it
> clear alarm, both - loop in your Digium Card - should affect the green
> light indicator, then psychical loop towards your partner - he also should
> acknowledge on clearing the alerts.
> Those are baby steps - then - you check the clock, then - you must agree
> on SS7/C7 connection details, starting from time slots as "0" is considered
> "1" on some systems.
>
> Anyway - this technology is rather obsolete now and even finding a
> good signalization analyzer or even a E1/T1 connection analyzer (low level
> link - layer 2 i would say) is hard to find and rather expensive.
>
> You must be aware that - 4 electrical lines in cables are being used and
> every single one of them needs to be good (this is not ethernet, you can't
> mix pairs...)
>
>
>
> śr., 23 lis 2022 o 13:28 Storer, Darren <darren.storer at gmail.com>
> napisał(a):
>
>> Definitely check whether signalling is actually on TS16 - quite often it
>> can be on TS1 when working with Siemens EWSD.
>>
>> Regards
>>
>> Darren
>>
>>
>> On Mon, 21 Nov 2022 at 13:44, Kaloyan Kovachev <kkovachev at varna.net>
>> wrote:
>>
>>> Your link is misaligned. Check the configuration on the other side - it
>>> should provide the master clock according to your system.conf
>>>
>>> На 2022-11-19 04:20, Laura Maurizi написа:
>>>
>>> > Thanks for your time. I have put sigchan after the group definition,
>>> > but the result was the same. I notice in the logs (before and after
>>> the
>>> > modification you suggested) the following message:
>>> > Huh?! chan_dahdi.c: [11] Huh?! Got FISU in link state 1. I've searched
>>> > the web but I couldn't find the meaning of this message.
>>> >
>>> > El vie, 18 nov 2022 a las 8:40, Kaloyan Kovachev
>>> > (<kkovachev at varna.net>) escribió:
>>> >
>>> >> Hello,
>>> >> put sigchan after the group definition:
>>> >>
>>> >> group=1
>>> >> cicbeginswith=1
>>> >> channel => 1-15
>>> >> cicbeginswith=17
>>> >> channel => 17-31
>>> >> sigchan=16
>>> >>
>>> >> for now remove the slc line and check the configuration on the other
>>> >> side: if it is configured to use different slc, then add it before
>>> >> sigchan
>>> >>
>>> >> На 2022-11-18 05:20, Laura Maurizi написа:
>>> >>
>>> >>> I have a Digium TE122 whith one span connected to Siemens switch. As
>>> >>> I
>>> >>> got the message "ERROR[20309] chan_dahdi.c: [1] Received message for
>>> >>> slc 0x1, but we are 0x0.  Dropping" I changed slc to 1 in
>>> >>> chan_dahdi.conf. But now I get this message; "ERROR[20309]
>>> >>> chan_dahdi.c: [1] Q707 T1 timer expired 2nd time on link SLC: 0 PC:
>>> >>> 10". The operating system is debian 11, asterisk version is 16.29.0,
>>> >>> dahdi version is dahdi-2.11.1.0.20170917~dfsg-7.4.
>>> >>> This is the result I get with ss7 show linkset 1:
>>> >>> SS7 flags: 0x9
>>> >>> SS7 linkset 1 status: Down
>>> >>> SS7 calling nai: -1
>>> >>> SS7 called nai: -1
>>> >>> SS7 nationalprefix: 0
>>> >>> SS7 internationalprefix: 00
>>> >>> SS7 unknownprefix:
>>> >>> SS7 networkroutedprefix:
>>> >>> SS7 subscriberprefix:
>>> >>> Switch type: ITU
>>> >>> Our point code: 20
>>> >>> SLS shift: 0
>>> >>> numlinks: 1
>>> >>> numsps: 1
>>> >>> ---------------------------------
>>> >>> Adjacent SP PC: 10 STATE: DOWN
>>> >>> TRA:      T19: not running T21: not running
>>> >>> Routes:
>>> >>> DPC       State        T6       T10
>>> >>> Link ADJ_PC:SLC: 10:1 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:   0
>>> >>> MTP3timers: Q707_T1(1s)
>>> >>>
>>> >>> This is the message I get in the log:
>>> >>> [Nov 10 06:39:05] ERROR[20525] chan_dahdi.c: [1] Q707 T1 timer
>>> >>> expired
>>> >>> 2nd time on link SLC: 1 PC: 10
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] Len = 20 [ 91 87
>>> >>> 11
>>> >>> 81 0a 00 05 00 11 a0 32 35 36 34 32 38 36 32 38 38 ]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] FSN: 7 FIB 1
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] BSN: 17 BIB 1
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] >[10:1] MSU
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 91 87 11 ]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] Network
>>> Indicator:
>>> >>> 2
>>> >>> Priority: 0 User Part: STD_TEST (1)
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 81 ]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] OPC 20 DPC 10 SLS
>>> >>> 0
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 0a 00 05 00 ]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] H0: 1 H1: 1
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 11 a0 32 35 36
>>> >>> 34
>>> >>> 32 38 36 32 38 38 ]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] Len = 3 [ 91 87
>>> 00
>>> >>> ]
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] FSN: 7 FIB 1
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] BSN: 17 BIB 1
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] >[10:1] FISU
>>> >>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1]
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] Len = 20 [ 91 88
>>> >>> 11
>>> >>> 81 0a 00 05 00 11 a0 32 35 36 34 32 38 36 32 38 38 ]
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] FSN: 8 FIB 1
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] BSN: 17 BIB 1
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] >[10:1] MSU
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 91 88 11 ]
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] Network
>>> Indicator:
>>> >>> 2
>>> >>> Priority: 0 User Part: STD_TEST (1)
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 81 ]
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] OPC 20 DPC 10 SLS
>>> >>> 0
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 0a 00 05 00 ]
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] H0: 1 H1: 1
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 11 a0 32 35 36
>>> >>> 34
>>> >>> 32 38 36 32 38 38 ]
>>> >>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Len = 14 [ 88 92
>>> >>> 0b
>>> >>> 85 14 80 02 10 01 00 17 01 01 0e ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] FSN: 18 FIB 1
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] BSN: 8 BIB 1
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] <[10:1] MSU
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 88 92 0b ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Network
>>> Indicator:
>>> >>> 2
>>> >>> Priority: 0 User Part: ISUP (5)
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 85 ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] OPC 10 DPC 20 SLS
>>> >>> 1
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 14 80 02 10 ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] CIC: 1
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 01 00 ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Message Type:
>>> >>> GRS(0x17)
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 17 ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] --VARIABLE LENGTH
>>> >>> PARMS[1]--
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Range and status:
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Range: 14
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 01 0e ]
>>> >>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1]
>>> >>> [Nov 10 06:39:12] ERROR[20525] chan_dahdi.c: [1] Got ISUP message on
>>> >>> link while MTP3 state is not UP!
>>> >>>
>>> >>> I attatch the configuration files.
>>> >>> Thanks in advance.
>>>
>>> --
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>>
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