[asterisk-ss7] pointcode high bits cut off

[Kaloyan Kovachev]

On Tue, 25 Nov 2008 20:49:13 +0100, Domjan Attila wrote
> On Tue, 2008-11-25 at 20:44 +0100, Domjan Attila wrote:
> > Hi,
> > 
> > On Tue, 2008-11-25 at 18:17 +0200, Kaloyan Kovachev wrote:
> > > Hello,
> > >  while testing ss7 - setting the pointcodes to 1000000 and respectively
> > > 1000001 on both sides of a ss7 link i got the folowing error message:
> > >  ERROR[1919]: chan_dahdi.c:10062 dahdi_ss7_error: Received message destined
> > > for point code 0x240 but we're 0xf4240.  Dropping
> > >
> > >  it looks like the high bits are not sent properly ?!? 1000001 is less than
> > > 24bits so it is a correct point code, but on the receiving side the high
bits
> > > are cut off.
> > > 
> > the itu point code is 14bits long, the ansi is 16bits long
> > 
> sorry you right, 24bits the ansi :)
thanks, so the problem is, that i was given an ANSI pointcode x-y-z (x is
bigger than 7 so it is not 3-8-3 bits code) for an ITU (C7) connection and
will need a new point code assigned

> > >  few questions while looking at the code (ss7_internal.h) the number of ss7
> > > links is limited to 4 - is there a specific reason for this limit?
> > You can increase it, btw the big telcos connect they busy switches
> > typically 2 signalling links to their STPs, so I think the 4 should be
> > enough.

one more question here - are the backup signalling links also counted? I mean
chan 16 and then 47 as backup = 2 links?

> > 
> > >  and the second one - ISUP_L1PROT_G711ULAW 0x02 is defined (couldn't find
> > > where it is used), but there is no G711ALAW definition, does it mean it
can't
> > > be used?
> > not used
> > 
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