<div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif">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.<br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">El mié, 23 nov 2022 a las 9:36, Krzysztof Drewicz (<<a href="mailto:krzysztofdrewicz@gmail.com">krzysztofdrewicz@gmail.com</a>>) escribió:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div dir="ltr"><br><div>Hello,</div><div><br></div><div>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.</div><div>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. </div><div><br></div><div>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.</div><div><br></div><div>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...)</div><div><br></div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">śr., 23 lis 2022 o 13:28 Storer, Darren <<a href="mailto:darren.storer@gmail.com" target="_blank">darren.storer@gmail.com</a>> napisał(a):<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div style="font-size:small">Definitely check whether signalling is actually on TS16 - quite often it can be on TS1 when working with Siemens EWSD.</div><div style="font-size:small"><br></div><div style="font-size:small">Regards</div><div style="font-size:small"><br></div><div style="font-size:small">Darren</div><div style="font-size:small"><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Mon, 21 Nov 2022 at 13:44, Kaloyan Kovachev <<a href="mailto:kkovachev@varna.net" target="_blank">kkovachev@varna.net</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">Your link is misaligned. Check the configuration on the other side - it <br>
should provide the master clock according to your system.conf<br>
<br>
На 2022-11-19 04:20, Laura Maurizi написа:<br>
<br>
> Thanks for your time. I have put sigchan after the group definition, <br>
> but the result was the same. I notice in the logs (before and after the <br>
> modification you suggested) the following message:<br>
> Huh?! chan_dahdi.c: [11] Huh?! Got FISU in link state 1. I've searched <br>
> the web but I couldn't find the meaning of this message.<br>
> <br>
> El vie, 18 nov 2022 a las 8:40, Kaloyan Kovachev <br>
> (<<a href="mailto:kkovachev@varna.net" target="_blank">kkovachev@varna.net</a>>) escribió:<br>
> <br>
>> Hello,<br>
>> put sigchan after the group definition:<br>
>> <br>
>> group=1<br>
>> cicbeginswith=1<br>
>> channel => 1-15<br>
>> cicbeginswith=17<br>
>> channel => 17-31<br>
>> sigchan=16<br>
>> <br>
>> for now remove the slc line and check the configuration on the other<br>
>> side: if it is configured to use different slc, then add it before<br>
>> sigchan<br>
>> <br>
>> На 2022-11-18 05:20, Laura Maurizi написа:<br>
>> <br>
>>> I have a Digium TE122 whith one span connected to Siemens switch. As <br>
>>> I<br>
>>> got the message "ERROR[20309] chan_dahdi.c: [1] Received message for<br>
>>> slc 0x1, but we are 0x0. Dropping" I changed slc to 1 in<br>
>>> chan_dahdi.conf. But now I get this message; "ERROR[20309]<br>
>>> chan_dahdi.c: [1] Q707 T1 timer expired 2nd time on link SLC: 0 PC:<br>
>>> 10". The operating system is debian 11, asterisk version is 16.29.0,<br>
>>> dahdi version is dahdi-2.11.1.0.20170917~dfsg-7.4.<br>
>>> This is the result I get with ss7 show linkset 1:<br>
>>> SS7 flags: 0x9<br>
>>> SS7 linkset 1 status: Down<br>
>>> SS7 calling nai: -1<br>
>>> SS7 called nai: -1<br>
>>> SS7 nationalprefix: 0<br>
>>> SS7 internationalprefix: 00<br>
>>> SS7 unknownprefix:<br>
>>> SS7 networkroutedprefix:<br>
>>> SS7 subscriberprefix:<br>
>>> Switch type: ITU<br>
>>> Our point code: 20<br>
>>> SLS shift: 0<br>
>>> numlinks: 1<br>
>>> numsps: 1<br>
>>> ---------------------------------<br>
>>> Adjacent SP PC: 10 STATE: DOWN<br>
>>> TRA: T19: not running T21: not running<br>
>>> Routes:<br>
>>> DPC State T6 T10<br>
>>> Link ADJ_PC:SLC: 10:1 NetMngSLS: 0<br>
>>> State: INSERVICE, DOWN<br>
>>> STD Test: failed<br>
>>> Got, sent :<br>
>>> Inhibit:<br>
>>> Changeover: NO<br>
>>> Tx buffer: 0<br>
>>> Tx queue: 0<br>
>>> Retrans pos 0<br>
>>> CO buffer: 0<br>
>>> CB buffer: 0<br>
>>> Last FSN: 0<br>
>>> MTP3timers: Q707_T1(1s)<br>
>>> <br>
>>> This is the message I get in the log:<br>
>>> [Nov 10 06:39:05] ERROR[20525] chan_dahdi.c: [1] Q707 T1 timer <br>
>>> expired<br>
>>> 2nd time on link SLC: 1 PC: 10<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] Len = 20 [ 91 87 <br>
>>> 11<br>
>>> 81 0a 00 05 00 11 a0 32 35 36 34 32 38 36 32 38 38 ]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] FSN: 7 FIB 1<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] BSN: 17 BIB 1<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] >[10:1] MSU<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 91 87 11 ]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] Network Indicator: <br>
>>> 2<br>
>>> Priority: 0 User Part: STD_TEST (1)<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 81 ]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] OPC 20 DPC 10 SLS <br>
>>> 0<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 0a 00 05 00 ]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] H0: 1 H1: 1<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] [ 11 a0 32 35 36 <br>
>>> 34<br>
>>> 32 38 36 32 38 38 ]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] Len = 3 [ 91 87 00 <br>
>>> ]<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] FSN: 7 FIB 1<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] BSN: 17 BIB 1<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1] >[10:1] FISU<br>
>>> [Nov 10 06:39:05] VERBOSE[20525] chan_dahdi.c: [1]<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] Len = 20 [ 91 88 <br>
>>> 11<br>
>>> 81 0a 00 05 00 11 a0 32 35 36 34 32 38 36 32 38 38 ]<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] FSN: 8 FIB 1<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] BSN: 17 BIB 1<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] >[10:1] MSU<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 91 88 11 ]<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] Network Indicator: <br>
>>> 2<br>
>>> Priority: 0 User Part: STD_TEST (1)<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 81 ]<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] OPC 20 DPC 10 SLS <br>
>>> 0<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 0a 00 05 00 ]<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] H0: 1 H1: 1<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1] [ 11 a0 32 35 36 <br>
>>> 34<br>
>>> 32 38 36 32 38 38 ]<br>
>>> [Nov 10 06:39:09] VERBOSE[20525] chan_dahdi.c: [1]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Len = 14 [ 88 92 <br>
>>> 0b<br>
>>> 85 14 80 02 10 01 00 17 01 01 0e ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] FSN: 18 FIB 1<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] BSN: 8 BIB 1<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] <[10:1] MSU<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 88 92 0b ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Network Indicator: <br>
>>> 2<br>
>>> Priority: 0 User Part: ISUP (5)<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 85 ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] OPC 10 DPC 20 SLS <br>
>>> 1<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 14 80 02 10 ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] CIC: 1<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 01 00 ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Message Type:<br>
>>> GRS(0x17)<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 17 ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] --VARIABLE LENGTH<br>
>>> PARMS[1]--<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Range and status:<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] Range: 14<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1] [ 01 0e ]<br>
>>> [Nov 10 06:39:12] VERBOSE[20525] chan_dahdi.c: [1]<br>
>>> [Nov 10 06:39:12] ERROR[20525] chan_dahdi.c: [1] Got ISUP message on<br>
>>> link while MTP3 state is not UP!<br>
>>> <br>
>>> I attatch the configuration files.<br>
>>> Thanks in advance.<br>
<br>
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