[Serusers] Advice needed

[Greger V. Teigre]

BTW, the UAC doc is here (and contact info for maintainers):
http://www.voice-system.ro/docs/uac/
g-)
Greger V. Teigre wrote:
> I would say SER is what you need, except that you struggle with the
> authentication.  You have the following scenarios:
> 1. PSTN termination with IP-based access control (easiest)
> 2. PSTN termination with authentication of all INVITEs (yes, that's
> the UAC module. You should contact the maintainer,  Ramona-Elena
> Modroiu about the status. I thought it was reported to work, but
> haven't tried myself) 
> 3. PSTN termination with registration and authentication of REGISTER
> (but not INVITEs).  Use sipsak to generate a REGISTER for your box.
> 
> #2 requires that all INVITEs are sent twice and is not a very good
> option. I would seek out PSTN providers who will give you #1.
> g-)
> 
> 
> Michael Ulitskiy wrote:
>> Hello,
>> 
>> I'd like ask for advice on what is in your opinion the best solution
>> in the following scenario.
>> I have a bunch of sip servers (asterisk boxes as my users need pbx
>> functionality) that can make sip call to each other and my PSTN
>> gateway. Now I want to purchase PSTN terminitaion in several
>> different markets (and probably more in the future). All those
>> terminations will require authentication.
>> I want all my boxes when they see non-local call to send it to a
>> central routing server that would determine where this call should
>> be sent and authenticate to the appropriate provider so that I don't
>> have to configure all credentials on all asterisk boxes. Also I want
>> it not to deal with the media at all. All media streams should go
>> directly from asterisk box to the PSTN termination provider.
>> So basically it should be central SIP router that is able to
>> authenticate calls if neccessary.
>> I thought I could do it with SER and its UAC module, but it appears
>> UAC module doesn't work and probably won't work (see my previous
>> post in this list about UAC backport to 0.9.0).
>> Also I don't want to use asterisk in this place as asterisk always
>> wants to stay in media path and I'd really like to avoid of getting
>> into hassle with re-invites.
>> So the question is what are my options and what you would advice
>> as a solution. Are there any software out there that can do it
>> (preferably open-source, of course) or what else you could suggest to
>> do to get desired results.
>> Thanks a lot,