[SR-Users] using kamailio to forward ipv6 to ipv4

[anfecora]

Yes i am planning on proxing media. The case is that client will only talk
ipv6 but the registrar only have ipv4 connectivity. Therefore need to
create a proxy to translate this dialogs. Thi thnking on using kamailio to
receive the registration modify the pckets and forward registrations in
ipv4. I was thinking in using the asterisk kamailio example but instead of
asterisk behind will be an sbc. Therefore kamailio will listen in ipv6 and
translate over to ipv4 including media of course via rtpproxy.



On Jan 5, 2017 9:43 AM, "Frank Carmickle" <frank at carmickle.com> wrote:


> On Jan 5, 2017, at 12:24 PM, anfecora <anfecora at gmail.com> wrote:
>
> Hi guys hope you have a great new year.
> I would appreciate if anyone can point me in to the right direction .
>
> I need to build a proxy to translate from ipv6 to ipv4, but kamailio
should not process the registers or invites, only translate from ipv6 to
ipv4  and forward all registrations over.

A bit more information about the situation would be helpful. What exactly
are you trying to do?

> is that possible?

6 to 4 translation is possible, but until we understand the situation I’m
not sure we can be that helpful. Are these phones? If so are they dual
stack? Is the underlying network dual stack? There’s a lot of work to do to
get this right in a Kamailio config. You’ll need to run rtpengine to proxy
the media if the endpoints are not dual stack. Who keeps the mapping of the
v6 to v4 and v4 to v6 translations? How is that mapping determined? I’d
recommend ds-lite if you are in a position to alter the network and the
phones/systems allow for it.

HTH
—FC

> thanks.
>
>
>


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