[SR-Users] Kamailio - passing registration to another sip server

[E. Schmidbauer]

Hi Matt,
Check out this post and config:
https://blog.voipxswitch.com/2016/08/11/kamailio-and-freeswitch-on-the-same-server-with-nsq-and-jansson-rpc/

It demonstrates how to handle NAT & forward a REGISTER to FreeSWITCH (on
localhost)
Thanks,
Emmanuel

On Thu, Aug 25, 2016 at 9:57 AM, Daniel Tryba <d.tryba at pocos.nl> wrote:

> On Thu, Aug 25, 2016 at 09:38:12AM -0400, Mike Patterson wrote:
> > I have configured Kamailio to pass a registration request to another VoIP
> > provider.  The reason I am doing this is to provide a sip port for users
> > where the ISP is blocking SIP.  I am able to pass the registrations to
> the
> > VoIP provider but I'd like to have inbound calls working as well.  I see
> the
> > inbound invites coming into the Kamailio server but it appears that the
> > server does not 'know' about the UA that is registered 'through' the
> server
> > to the VoIP provider.  Can anyone tell me how to fix this problem?
> Below is
> > my config.
>
> You should look into the NAT handling tricks:
> http://www.kamailio.org/docs/modules/stable/modules/
> nathelper.html#nathelper.set_contact_alias
> and
> http://kamailio.org/docs/modules/stable/modules/
> nathelper.html#nathelper.f.handle_ruri_alias
>
> Take a look at the default config NATMANAGE routes and enable "natting"
> for all sources except you upstream server.
>
> Alternatively if the registrar of the voip provider supports Path,
> enable that in kamailio use
> http://kamailio.org/docs/modules/stable/modules/path.html#idp38122172
> in the registers to add the header and set
> http://kamailio.org/docs/modules/stable/modules/path.html#idp38033932
> to handle the INVITEs
>
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