[asterisk-dev] 56k SS7 using TE122.

[Alex Balashov]

I think 56K A-links are DDS, not T1-based.

Mark A Jenks wrote:

> (Hate to crosspost, but I don't know where I should be sending this....)
>  
> I am working on a project to try and get SS7 working against our Nortel 
> DMS's.
>  
> First I tried to bring it up as a T1 to our DMS100, using B8zs or AMI 
> and It would not connect at all.
>  
> So, then we moved it over to our DMS500, which can handle PRI's and we 
> can now bring it up with B8zs now, but AMI does not work.
>  
> If we loop up the B8, everything looks great and it's happy talking to 
> itself.
>  
> Here is the problem: Our SS7 can only handle 56k.
>  
> Is there a way to get the TE122 to connect via AMI(56k)?  I can't get it 
> to connect at all, and even if we loop up the AMI.
>  
> Or maybe change the dchan to 56k? 
>  
> I'm not even trying to use asterisk yet, I was trying to use ss7linktest 
> to verify it.  I shouldn't have to change anything in chan_dahdi yet, right?
>  
> I've tried dchan, ntp2, and hardhdlc(which doesn't even come up, and has 
> a FXS/FXO message)
>  
> /etc/dahdi/system.config
> #span=1,1,0,d4,ami
> bchan=1-23
> dchan=24
> #mtp2=24
> #hardhdlc=24
> defaultzone=us
>  
> Thanks!
> -Mark
>  
>  
> 
> 
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-- 
Alex Balashov
Evariste Systems
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