Am 10.11.2014 um 11:24 schrieb Michael Knill 
<michael.kn...@ipcsolutions.com.au>:

> Hi group
> 
> I am very interested in the inclusion of Kamailio into Astlinux.
> Just wondering if anyone has any use cases to describe where they are 
> currently using it.
> 
> I have a multisite customer (and more to come Im sure), all with their own 
> local Astlinux system and local trunk. This setup presents real problems 
> transferring calls as the media is not released (please tell me if this 
> should not be the case) when transferring between the systems.

How do you transfer? With Asterisk feature codes (#) or with the phones 
transfer function (canreinvite/directmedia)?
I have also a multisite callcenter customer (all connected via OpenVPN) and no 
issues with transfers at all, and they are transferring a lot :-).

> This is especially ugly when an incoming call is answered by a central 
> console and then transferred back to an extension at the original site. Yes I 
> realise that you can have a console that is registered to both systems and it 
> rings on different lines but its not really seamless e.g. can’t do a Call 
> Pickup etc from local phones when this line is ringing. And even if you 
> could, you would end up with the same hairpin problem if you transferred it 
> back.
> 
> My understanding is that Kamailio will solve this problem. Asterisk remains 
> the routing engine however all phones register to Kamailio and all RTP ends 
> up going between the endpoints. If this is the case, then there should never 
> be any hair pinning and only ever a single hop. Obviously you would need to 
> remove all NAT on the network through VPN.
> 
> Will this work as described? Is it a reasonable use case?
> 
> The Kamailio config does look pretty scary.

Yes, it does. And that is the main reason, why we haven't included Kamailio 
into the released Astlinux version. We haven't found an "easy-to-use" default 
configuration yet.
The integration into AstLinux is done and works fine, and you can play around 
with it.

> Regards
> Michael Knill

Michael

http://www.mksolutions.info





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