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

[Pavel Troller]

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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