[Asterisk-Users] PRI and QSIG

janvb at caselaboratories.com janvb at caselaboratories.com
Thu Jan 12 17:34:32 MST 2006


Ahhh, sorry send you the supplementary services. This is the equal to 
Q.931 - Layer 3.

 http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-143.pdf

Jan


janvb at caselaboratories.com wrote:

>
>>
>> Anyhow, I'm now thinking about using QSIG, I've configured two spans 
>> of a TE405P as switchtype = qsig and connected them back to back for 
>> testing and calls are ok.  However, I cant find any documentation 
>> relating to what messages I might see come across the link once I 
>> connect it to the INDeX and what I can do with them when they do.  
>> Any pointers anyone?
>
>
> Try 
> http://www.ecma-international.org/publications/files/ECMA-ST/Ecma-164.pdf
>
> You might also want to search for PSS1 at ISO etc. The spec above is 
> the Inter Exchange.
>
> Q.Sig can be a bit complex as is a 'private network' made of E1 
> connections and as such also contains some SS7 alike funtionality, but 
> Layer 3 wich is of interest for you is not that different from Q.931 
> (which is the base for EuroISDN and NI3).
>
> Jan
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