[asterisk-ss7] ANSI SS7

Matt Fredrickson creslin at digium.com
Tue Oct 24 13:18:39 MST 2006 

Well, if you can get a hold of me either via IRC or on AIM, I can take a closer look at it.  I can't really tell from what you have shown me what might be happening.

Matthew Fredrickson

----- Jason L. Nesheim <jason at aeroinc.net> wrote:
> I tried passing the module parameters and setting it to hardhdlc but
> this is what I get when I start asterisk.  The Bad FCS continues on
> for a while then the server crashes so bad that I can't even ping it
> anymore and I have to do a hard reset.
> 
> *CLI> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940
> handle_init_event: Alarm cleared on channel 2
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 3
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 4
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 5
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 6
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 7
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 8
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 9
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 10
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 11
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 12
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 13
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 14
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 15
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 16
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 17
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 18
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 19
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 20
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 21
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 22
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 23
> [Oct 24 11:37:48] NOTICE[12038]: chan_zap.c:6940 handle_init_event:
> Alarm cleared on channel 24
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8435 ss7_linkset: Alarm
> cleared on link
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8451 ss7_linkset: Error in
> write Unknown error 500[Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423
> ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8451 ss7_linkset: Error in
> write Unknown error 500[Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423
> ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8451 ss7_linkset: Error in
> write Unknown error 500[Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423
> ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8451 ss7_linkset: Error in
> write Unknown error 500[Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423
> ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8451 ss7_linkset: Error in
> write Unknown error 500[Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423
> ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> [Oct 24 11:37:48] ERROR[12037]: chan_zap.c:8423 ss7_linkset: Bad FCS!
> 
> -----Original Message-----
> From: asterisk-ss7-bounces at lists.digium.com
> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Matt
> Fredrickson
> Sent: Monday, October 23, 2006 4:56 PM
> To: asterisk-ss7 at lists.digium.com
> Subject: Re: [asterisk-ss7] ANSI SS7
> 
> Yes, but it only works with Digium TE2xxp and TE4xxp cards.  When you
> load the wct4xxp.ko modules you need to pass the module parameter
> "hardhdlcmode=0x7f" and set your signalling channel in zaptel.conf as
> hardhdlc.  That should put it into 56kbps link mode.
> 
> Matthew Fredrickson
> 
> ----- Jason L. Nesheim <jason at aeroinc.net> wrote:
> > It is a 56kbps F-link from my CopperCom.  I can't use 64k links on
> > that switch, is there a way to set up asterisk to use 56k?
> > 
> > -----Original Message-----
> > From: asterisk-ss7-bounces at lists.digium.com
> > [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of Matthew
> > Fredrickson
> > Sent: Thursday, October 19, 2006 10:39 AM
> > To: asterisk-ss7 at lists.digium.com
> > Subject: Re: [asterisk-ss7] ANSI SS7
> > 
> > It looks like you have a very low level problem on that line.  We
> are
> > 
> > sending the other end SIO (To start the alignment, but the other
> end
> > is 
> > not going through the alignment process.  The only thing I can
> think
> > of 
> > is that either:
> > 
> > A) You don't have your signalling channel setup correctly.  Are you
> 
> > using a sangoma card?  I've seen weirdness like this with sangoma 
> > cards.  The problem was a misconfiguration with the dchannel wanpipe
> 
> > setup.  Another possibility is that maybe it's a 56kbps link and
> > you're 
> > trying to use it in 64kbps mode.
> > 
> > B) The line is not configured at the other end to begin alignment.
> > 
> > I'm suspecting it is probably something along the lines of option
> A.
> > 
> > Matthew Fredrickson
> > 
> > On Oct 19, 2006, at 8:42 AM, Jason L. Nesheim wrote:
> > 
> > > I changed this piece of code in ss7linktest.c before trying this:
> > >    if (!(ss7 = ss7_new(SS7_ANSI))) {
> > >                 perror("ss7_new");
> > >                 exit(1);
> > >         }
> > >
> > > Here is the output:
> > >
> > > [root at localhost libss7]# ./ss7linktest 1
> > > Starting link 1
> > > Link state change: IDLE -> NOTALIGNED
> > > FSN: 127 FIB 1
> > > BSN: 127 BIB 1
> > >> LSSU SIO
> > >
> > > Link state change: NOTALIGNED -> IDLE
> > > FSN: 127 FIB 1
> > > BSN: 127 BIB 1
> > >> LSSU SIOS
> > >
> > >
> > > As far as ansi point codes go, what is the appropriate method for
> 
> > > converting the dotted format codes to a format usable by
> asterisk?
> > >
> > >
> > > -----Original Message-----
> > > From: asterisk-ss7-bounces at lists.digium.com 
> > > [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of
> Matthew
> > 
> > > Fredrickson
> > > Sent: Wednesday, October 18, 2006 6:20 PM
> > > To: asterisk-ss7 at lists.digium.com
> > > Subject: Re: [asterisk-ss7] ANSI SS7
> > >
> > > Try using the ss7linktest program that is included with libss7. 
> > The
> > > syntax is "ss7linktest x" where x is the zap channel that your
> > > signalling is on.  Paste the output of that to your next reply.
> > >
> > > Matthew Fredrickson
> > >
> > > On Oct 18, 2006, at 4:58 PM, Jason L. Nesheim wrote:
> > >
> > >> The link won't actually come up at all.  This message scrolls
> > through
> > >> asterisk so fast that it's impossible to do anything in the CLI
> > when I
> > >> start it.  The odd part is that now that I downloaded the latest
> > 1.4
> > >> beta 2 zaptel and installed that and rebooted the box it seems
> > that
> > >> the messages have stopped but now asterisk is doing nothing at
> all
> > >> with the SS7.  No messages appear in the logs relating to it and
> > my
> > >> CopperCom sits in an activating state on the f-link.  The config
> > is
> > >> the same as before, any ideas?
> > >>
> > >> -----Original Message-----
> > >> From: asterisk-ss7-bounces at lists.digium.com
> > >> [mailto:asterisk-ss7-bounces at lists.digium.com] On Behalf Of
> > Matthew
> > >> Fredrickson
> > >> Sent: Wednesday, October 18, 2006 2:15 PM
> > >> To: asterisk-ss7 at lists.digium.com
> > >> Subject: Re: [asterisk-ss7] ANSI SS7
> > >>
> > >> Unless you're seeing link related problems (link doesn't come up
> > and
> > >> those are scrolling continuously) you shouldn't worry about
> those
> > >> messages.  MTP2 is designed to work around link layer hickups
> such
> > as
> > >> this.  You may see better performance though if you set your
> dchan
> > to
> > >> hardhdlc instead (though that only works on the TE4xxp and
> > TE2xxp).
> > >>
> > >> Matthew Fredrickson
> > >>
> > >> On Oct 18, 2006, at 12:07 PM, Jason L. Nesheim wrote:
> > >>
> > >>> I'm getting a strange error when I start up asterisk and I
> can't
> > tell
> > >>> if it's a problem with the ss7 linkset or something hardware
> > related.
> > >>>  
> > >>> This is what asterisk outputs:
> > >>> [Oct 18 12:02:16] ERROR[7160]: chan_zap.c:8273 ss7_linkset:
> HDLC
> > >>> Abort!
> > >>>  
> > >>> This is the SS7 part of my Zapata.conf:
> > >>>  
> > >>> signalling = ss7
> > >>>  
> > >>> ss7type = ansi
> > >>>  
> > >>> linkset = 1
> > >>>  
> > >>> pointcode = 351400
> > >>>  
> > >>> adjpointcode = 351240
> > >>>  
> > >>> defaultdpc = 351240
> > >>>  
> > >>> networkindicator=national
> > >>>  
> > >>> cicbeginswith = 1001
> > >>> sigchan = 1
> > >>> channel = 2-24              
> > >>>  
> > >>> This is from my zaptel.conf:
> > >>>  
> > >>> span=1,1,0,esf,b8zs
> > >>> bchan=2-24
> > >>> dchan=1    
> > >>> defaultzone=us
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