56k SS7 using TE122.

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Mark A Jenks wrote:
> The good news is I have a card and a DMS100 and DMS500 if you would like
> to Develop!  :)
> 
> The bad news is I have to have this working by Sept 6th, so I guess I'm
> shopping for a card today.

If you are ok with this, I'll offer you a TE2xxp in exchange for your 
TE122P in return for being able to use your system for future 
development.  Hopefully you haven't bought a board yet :-)

Matthew Fredrickson
Digium, Inc.

> 
> -Mark 
> 
>> -----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, August 20, 2008 4:18 PM
>> To: asterisk-ss7 at lists.digium.com
>> Subject: Re: [asterisk-ss7] 56k SS7 using TE122.
>>
>> Mark A Jenks wrote:
>>> 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? 
>> Sorry to tell you this, but we don't have a software only 56k 
>> HDLC stack 
>> in Zaptel/DAHDI right now.  The way you can use a 56K link is to use 
>> either a TE2XXP or TE4XXP with the hardhdlc channel type.  So if you 
>> have one of those two cards, you can certainly do it.
>>
>> This is something I would eventually like to implement in 
>> software, but 
>> have not done so yet.
>>
>> ---
>> Matthew Fredrickson
>> Digium, Inc.
>>
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> 
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