Hi,
Following on from the previous responses. The simplest configuration you
would require to get the MSC/VLR to talk to the HLR (assuming they do
not support SIGTRAN)), is one where you have a STP or Signalling Gateway
between the two locations.
------- ------- ------- -------
| |___MTP1-3____|\ | SIGTRAN |\ |___MTP1-3____| |
| A |_____________| \ |----------------| \ |_____________| B |
| | | \| M2PA | \| | |
------- ------- ------- -------
In this case, you would use a protocol like M2PA, between the 2 STPs/SGs.
I am not aware of any open source implementations of M2PA.
Cheers,
Amish
Marco Cordeiro wrote:
> Hello All,
>
> I know that this subject has been discussed many times here, but since
> I haven't been following the list lately, I'll bring it up again.
>
> Do you have any updates on MAP support for libss7 ?
>
> I'll explain my problem, any maybe you could give me suggestions.
>
> I'm trying to integrate two MSCs (Mobile Switch) that currently are
> connected thru a dedicated link (Voice + Signalling) that costs a lot
> per month, once the two locations are very far from each other (about
> 3000 Km). The idea is to integrate them thru the internet.
>
> The voice channels must be ISUP, and related to that the current
> version of libss7 is perfect, some tests have being made and it works
> perfectly, running an Asterisk in each location, locally connected to
> the MSC with and ISUP link, and the traffic being exchanged thru and
> IAX trunk between the 2 servers.
>
> Now the idea is to also migrate SS7 MAP signalling between this two
> locations. Currently location "A" holds the HLR for the
> whole signalling network, and location "B" has to check HLR's database
> for mobile's profile. I was thinking about doing the same setup used
> for voice channels, but now used for SS7 MAP signalling.
>
> I now that there are many solutions in the market for that, such as
> CISCO ITP Routers (SS7 over IP), SS7 tunneling devices, but I would
> like to try a cost effective solution using asterisk if possible.
>
> Rgs,
>
> Marco Cordeiro
> mhcordeiro at gmail.com <mailto:mhcordeiro at gmail.com>
>
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