[Freeswitch-users] Configure Freeswitch as an IMS application server

[Ken Rice]

In the dialplan you just need to have FS send the invite back to the S-CSCF
for user B... This can be done a couple of ways, 1 is specify the URI for
the user at s-cscf or to specify to route it via the s-cscf there are a few
ways to choose from on this... See
http://wiki.freeswitch.org/wiki/Variable_sip_network_destination for 1 way
with links to others


On 11/20/13 11:04 PM, "Thomas Titty" <ttitty at kineto.com> wrote:

> Hello,
>  
> I installed Freeswitch 1.5.7 and am trying to configure it as an telephony
> application server in an IMS network.
>  
> Here is the high-level signaling flow that I am considering.
>  
> 1.      Two SIP users (User-A and User-B) registered with S-CSCF in the IMS
> network (not with Freeswitch)
> 
> 2.      User-A makes a voice call to User-B.
> 
> 3.      S-CSCF forwards the SIP INVITE to Freeswitch.
> 
> 4.      Freeswitch acting as a B2BUA changes SDP to anchor the media flow and
> sends SIP INVITE to User-B back to S-CSCF.
> 
> 5.      SIP 200 OK from User-B follows the same path as INVITE in reverse
> direction.
> 
>  
> I went through the dial-plan documentation and could not figure out whether
> such a configuration is possible.
>  
> Please let me know whether such a configuration is feasible and any broad
> pointers on how to make it work would be appreciated.
>  
> Thanks,
> Thomas
>  
>  
>  
>  
>  
>  
> 
> 
> _________________________________________________________________________
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> 
> 
> 
> 
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-- 
Ken
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