[OpenSIPS-Users] use case for settlement free peering

A G 28rhills at gmail.com
Tue Oct 20 20:02:53 CEST 2009


Thanks for the feed back guys!



On Mon, Oct 19, 2009 at 11:28 PM, Bogdan-Andrei Iancu
<bogdan at voice-system.ro> wrote:
> Hi AG,
>
> To shortly answer you : yes, OpenSIPS is more then suitable for
> you...and OpenSIPS is very good SIP router.
>
> You have module do dynamically control the DID based routing between the
> SBC (like dialplan module or DynamicRouting module), both of them with
> web provisioning interface (see the OpenSIPS Control Panel).
> If you need any link, let me know.
>
> Also you can use OpenSIPS for protocol conversion (TLS / TCP / UDP are
> all supported) both for IPv4 and IPv6.
>
> Regards,
> Bogdan
>
> A G wrote:
>> Greetings:
>>
>> I'm looking for advice on a project/proof of concept I'm working on.
>> I would like to create a settlement-free peering fabric for voice
>> traffic between and among some peer institutions in my area.  Because
>> this is more of a side-project for cost cutting measure, I'm primarily
>> looking at open source software, though commercial product
>> recommendations would be helpful as well.
>>
>> The organizations I would like to connect have their own PBXs with
>> large blocks of numbers (whole NPA-NXXs), with no number portability
>> in or out.  I imagine both at the individual PBXs and peering fabric,
>> the number routing would be static.  To put another way, we would
>> manually configure which connections the block of telephone numbers is
>> reachable at.
>>
>> Here is the required ASCII art diagram   :)
>>
>>
>>                     +-------+
>>                     |  PBX  |
>>                     +-------+
>>                         |
>>                     +-------+
>>                     |  SBC  |
>>                     +-------+
>>                         |
>>                         |
>> +---+  +---+         .--------.            +---+  +---+
>> | P |  | S |        /          \           | S |  | P |
>> | B |--| B |------ (     ????   )----------| B |--| B |
>> | X |  | C |        \          /           | C |  | X |
>> +---+  +---+        `---------'            +---+  +---+
>>                         |
>>                         |
>>                     +-------+
>>                     |  SBC  |
>>                     +-------+
>>                         |
>>                     +-------+
>>                     |  PBX  |
>>                     +-------+
>>
>>
>>
>>
>> For scalability reasons, a full mesh of connections between and among
>> the SBCs is not an attractive option.
>>
>> Here's what I think I need:
>> Basic SIP routing
>> TCP, TLS, and UDP support
>>
>> What would be nice to have:
>> IPv6
>> CDR
>>
>> What is probably not needed:
>> User agent client registration, presence, IM, voice mail
>>
>> I see there are several different open source voice projects.
>> Do you think this is an appropriate use for OpenSIPS?
>> I'm seeking comments on what you would use for this situation.
>> Are there any existing  projects along these lines?
>> Is there one project that is better than another for this application?
>>
>> Thank you
>>
>> _______________________________________________
>> Users mailing list
>> Users at lists.opensips.org
>> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>>
>>
>
>
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