You don't need B2B functionality to provide SBC functionality.
SBC is a loose term these days. All you need is properly crafted signaling to achieve you requirements.
Using a SIP proxy server as an SBC is pretty common these days.

Regards
Ovidiu Sas

On Feb 20, 2014 5:55 PM, "Francesco Maria Magnini" <fmm1982@gmail.com> wrote:
@Carsten
I looked at http://www.iptel.org/sems and seems to be only broken links to downloads.
Do you know if the project is still maintained?

@Fred
Are you using openser as a B2BUA?

Il giorno 20/feb/2014, alle ore 19:42, Fred Posner <fred@palner.com> ha scritto:

> Alex's article is one of my favorites. That being said, we switched out an Acme SBC for openser (at the time) and was immediately thrilled.
>
> Fred Posner
> The Palner Group, Inc.
> 503-914-0999 (direct)
> 954-472-2896 (fax)
>
> On 02/20/2014 01:14 PM, Alex Balashov wrote:
>> Francesco,
>>
>> Have a look at this blog post:
>>
>> http://www.likewise.am/2013/03/kamailio-as-an-sbc-session-border-controller/
>>
>>
>> That said, I agree with Carsten's suggestion of SEMS.
>>
>> On 02/20/2014 11:04 AM, Francesco Maria Magnini wrote:
>>
>>> Hi,
>>>
>>> I would like to have some suggestions about a full replacement of an
>>> ACME Packet Net-Net Session Border Controller.
>>> By now, ACME SBC performs all the SBC functionalities, mainly:
>>>
>>> - it is used as a SIP endpoint for SIP client registrations
>>> - it is used as a SIP endpoint for interconnection to multiple SIP
>>> carriers via SIP trunks
>>> - it is used for NAT traversal
>>>
>>> In this deployment, the SIP Server communicates only with the SBC and
>>> this one takes care of the communication between the SIP Server and
>>> the external SIP entities (UA clients, SIP Trunks).
>>> In this scenario, can I consider to replace the SBC with Kamailio?
>>>
>>>
>>> _______________________________________________
>>> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list
>>> sr-users@lists.sip-router.org
>>> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users
>>>
>>
>>
>
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> sr-users@lists.sip-router.org
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