[asterisk-ss7] Asterisk, Taqua T7000, and you guessed it, SS7

[Nahuel Greco]

Sorry, I forgot a second patch you need. Attached.

Saludos,
Nahuel Greco.



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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>
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