[asterisk-ss7] ANSI SS7

[Jason L. Nesheim]

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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