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

[Bryan Scott]

Not at my desk to do some copy/paste of chan_dahdi.conf, but I suspect
it is ignoring the 'slc' parameter.  After reloading Asterisk still
insists on using SLC of 0.  I'm going to play a little more to see
what I can put in.

On Friday, April 30, 2010, Paul Timmins <paul at timmins.net> wrote:
> Bryan Scott wrote:
>> On Apr 29, 2010, at 6:23 PM, Paul Timmins wrote:
>>
>>
>>> I started with CIC 73 so they would match the asterisk channels for
>>> better debugging. 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
>>> Additionally, I had to change the following headers in libss7's mtp2.h
>>> to keep the link stable:
>>>
>>> /* ANSI links */
>>> #define ANSI_TIMER_T1 13002
>>> #define ANSI_TIMER_T2 12000
>>> #define ANSI_TIMER_T3 11800
>>> #define ANSI_TIMER_T4_NORMAL 2300
>>> #define ANSI_TIMER_T4_EMERGENCY 593
>>>
>>
>> Your values match the timers in Taqua's default Linkset settings.  I'm betting you could probably change them in the switch to match the default mtp2.h, but I tried your suggestion anyway.
>>
> Probably. I tend to go with what the big iron is doing and let the
> asterisk cope.
>> I got a couple more lines of useful info when the link comes up, but I'm still getting complaints of unconfigured CICs and the T7000 shows the CICs as being blocked.
>>
> What does your SS7 trunkgroup look like?
>
> What software are you running on the Taqua?
>
> Have you tried setting isupMsgTrace to MSG_WITH_BOTH_DUMP and watching
> the involved BIC/TICs in TMT to see what's being sent?
>
> -Paul
>
>> I'm running Asterisk 1.6.2.6, libss7 1.0.2, libpri 1.4.10.2, and dahdi-2.2.1.
>>
>> -- Bryan
>>
>
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
>
> asterisk-ss7 mailing list
> To UNSUBSCRIBE or update options visit:
>    http://lists.digium.com/mailman/listinfo/asterisk-ss7
>