[asterisk-ss7] SS7 + T1 on Asterisk?

[Michael Mueller]

T1 or E1 - just set up the Nortel switch for an F link (if that's an
option - it should be); alternatively, setup the Nortel for a combined
linkset, and keep one linkset disconnected

On Wed, Dec 7, 2011 at 3:19 PM, Matt <mhoppes at gmail.com> wrote:
> I'd agree -- if I had to pay the telco for this setup it would be
> overly expensive.  I'm trying to connect a softswitch into our Nortel
> DMS100.. and while the Nortel does T1.. it won't send caller-id
> information over the T1, but will over an SS7 circuit.
>
> I'm checking with our switch tech to see if the Nortel supports an E1,
> as I understand with an E1 I can use one channel for signaling and the
> rest for voice?
>
> On Wed, Dec 7, 2011 at 3:07 PM, Michael Mueller <ss7box at gmail.com> wrote:
>> if one slot out of 48 is for an SS7 link, then this configuration is
>> called an 'F' link - it is a single link linkset
>>
>> if asking about T1 then chances are good that you are in an ANSI world
>> - the ANSI world connects to the SS7 net via mated pair STPs - your
>> node needs at least 2 dedicated T1 using one slot in each, with each
>> T1 connecting to one of the mated pair STPs; a third T1 carries voice;
>> kind of expensive for a single T1
>>
>> sometimes you can get a T1/ANSI F link linkset to a switch on the edge
>> of the network but you are not a network peer when you do that - and
>> being a network peer is one of the reasons to use SS7; sometimes this
>> is done to learn about SS7 connectivity
>>
>> E1/ITU F links are common and allow you to be a network peer
>>
>> make sure you have a strong case for doing this
>>
>> On Wed, Dec 7, 2011 at 11:47 AM, Matt <mhoppes at gmail.com> wrote:
>>> If I were to get a 2 span T1 card for Asterisk... and connect it to a
>>> Nortel DMS100... can I run call traffic over the T1 and run SS7
>>> signaling FOR the T1 over the other port?
>>>
>>> Is there documentation on doing this anywhere?
>>>
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