[asterisk-ss7] how does APC work in libss7?

bipin singh bipinraghuvanshi at gmail.com
Fri Jun 21 01:02:00 CDT 2013


Hi ,
Set APC and DCP same.
check the configuration :


linkset=3
pointcode=504
adjpointcode=9380
defaultdpc=9380
ss7_called_nai=national
ss7_calling_nai=national
networkindicator=national
sigchan=78
cicbeginswith=1
channel=63-77
cicbeginswith=17
channel=79-93


On Wed, Jun 19, 2013 at 8:32 PM, Marcelo Pacheco <marcelo at m2j.com.br> wrote:

> The term linkset is missused in libss7.
> A libss7 linkset is a set of links that will be used for all ISUP
> channels on that same linkset.
> That would be a routeset in proper.
> adjpointcode needs to be defined before instantiating a signalling link,
> since it's a property of the sig.link.
> adjpointcode is only used to exchange SLTM/SLTA to verify link identity.
>
> dpc is used for ISUP messages.
> adjpointcode is used for MTP3 management messages.
>
> On 06/19/13 11:34, Pavel Troller wrote:
> > Hi!
> >   It's one of the basic MTP3 features.
> >   The MSU is sent to the DPC, but in its address field, there is APC
> instead
> > of DPC. When an STP receives such a MSU, it routes it towards to this
> APC,
> > which may be either directly connected (in this case, APC=DPC) or over
> some
> > other hop (in this case, APC differs from DPC again).
> >   With regards,
> >     Pavel
> >
> >> hi,
> >>
> >>     libss7 can configure adjpointcode(APC), is a third point code except
> >> opc and dpc. But as we know, there are only OPC and DPC in msu,  I
> confused
> >> that where to place the APC, and  how it work. I google for so long, but
> >> can not found any answer.
> >>
> >>     Can anyone give me more info about APC? Thx very much.
> >> --
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>
>
> --
> Atenciosamente,
>
> Marcelo Pacheco
> M2J Comunicações e Informática
> Fixo: (27)2222-8118 / (27)2233-2296
> Vivo: (27)9964-5440
> Claro: (27)9312-5319
> MSN: marcelo at macp.eti.br
> E-mail: marcelo at m2j.com.br
>
>
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-- 
BIPIN RAGHUVANSHI
OPERATION HEAD
ASTERISK (DEVELOPMENT AND RESEARCH)
WWW.EHORIZONS.IN
bipinraghuvanshi at gmail.com
bipin.singh at ehorizons.in
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