Asterisk, Taqua T7000, and you guessed it, SS7

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I've moved the f-link to the last channel (48), but otherwise yes, it
looks like my other SS7 links and trunk groups.  When I query the
circuit range, I get a message on Asterisk saying something about a
message on non-equipped CICs (CQM I think).  I'll get more details in
a little bit (on the iPad now, not at my laptop).

When I run ss7 unblock cic x xx I don't see any debug messages that
would indicate Asterisk is sending anything.  Are you on 1.6?


On Friday, April 30, 2010, Paul Timmins <paul at timmins.net> wrote:
> I know it works fine on 6.1 (but I think I had it working on 5.0 too?)
>
> I assume you have the trunk group configured like this:
>
> TRUNKNAME
>  ? ? ? +-- Trunk-1-X-X-X (when you click on this, you see CIC 26)
>  ? ? ? +-- Trunk-2-X-X-X
> (etc)
>  ? ? ? +-- Trunk-23-X-X-X (When you click on this, you see CIC 48)
>
> Also, when you go to ISUP in open manager and click on the point code,
> you see the range of 00026 through 00048 on the right pane.
>
> Can you select all of those, right click and choose "Query Circuit
> Range" and let me know what that says?
>
> -Paul
>
> Bryan Scott wrote:
>> Great. ?Patch seems to work on the Asterisk side. ?But Asterisk (and the switch) complain if the Taqua has anything but SLC 0. ?If I use SLC 0 on the T7000 the link comes up, alarms clear, but the CIC's are still unconfigured.
>>
>> I'm *this* close to using simple PRI circuits.
>>
>> And Paul, the T7000 is on 6.0.0p20. ?I still need to do the isupMsgTrace that you mentioned. ?This is on an LTC card.
>>
>> -- Bryan
>>
>>
>>
>>
>> On Fri, Apr 30, 2010 at 7:12 PM, Nahuel Greco <ngreco at gmail.com> wrote:
>>
>>> Here you have a patch attached to set the link SLC using an "slc"
>>> directive in chan_dahdi.conf. Try it and tell me if works.
>>>
>>> Saludos,
>>> Nahuel Greco.
>>>
>>>
>>>
>>> On Fri, Apr 30, 2010 at 7:01 PM, Bryan Scott <sirbryan at gmail.com> wrote:
>>>
>>>>>>> ?Set your SS7 trunk to SLC 1. I couldn't make it work
>>>>>>> on SLC 0. No idea why.
>>>>>>>
>>>>>>>
>>>>>> The Taqua is 1 too? ?Regardless of Asterisk's setting, it shows the SLC 0. ?Setting the Taqua to 1 causes the F-Link to go down and Asterisk complains.
>>>>>>
>>>>>>
>>>>> Yes. Both the taqua and the asterisk are set to SLC=1
>>>>>
>>>>>
>>>> It looks like Asterisk pays no attention to the "slc" setting in chan_dahdi.conf, but instead libss7 (in ss7.c) automagically calculates the Signaling Link Code based on how many are linksets have been defined:
>>>>
>>>>
>>>> /* ****************** */
>>>> // looks like we create a new mtp2 link and autoincrement the SLC counter
>>>>
>>>> ? ? ? ? ? ? ? ?m = mtp2_new(fd, ss7->switchtype);
>>>>
>>>> ? ? ? ? ? ? ? ?if (!m)
>>>> ? ? ? ? ? ? ? ? ? ? ? ?return -1;
>>>>
>>>> ? ? ? ? ? ? ? ?m->slc = ss7->numlinks;
>>>> ? ? ? ? ? ? ? ?ss7->numlinks += 1;
>>>> ? ? ? ? ? ? ? ?m->master = ss7;
>>>> ? ? ? ? ? ? ? ?if (zapmtp2)
>>>> ? ? ? ? ? ? ? ? ? ? ? ?m->flags |= MTP2_FLAG_ZAPMTP2;
>>>>
>>>> ? ? ? ? ? ? ? ?ss7->links[ss7->numlinks - 1] = m;
>>>>
>>>> /* ****************** */
>>>>
>>>> So changed it to add one (m->slc = ss7->numlinks + 1) and I'm getting MTP2 link issues:
>>>>
>>>> [Apr 30 16:01:04] WARNING[19051]: chan_dahdi.c:11509 ss7_linkset: MTP2 link down (SLC 1)
>>>> MTP2 link up (SLC 1)
>>>> [Apr 30 16:01:06] WARNING[19051]: chan_dahdi.c:11509 ss7_linkset: MTP2 link down (SLC 1)
>>>> MTP2 link up (SLC 1)
>>>> [Apr 30 16:01:09] WARNING[19051]: chan_dahdi.c:11509 ss7_linkset: MTP2 link down (SLC 1)
>>>>
>>>>
>>>>
>>>>
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>>>>
>>>>
>> <libss7.configure_slc.patch>--
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>>
>>
>
>
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