[OpenSIPS-Users] IPv6<->IPv4, mediaproxy, rtpproxy

[Ovidiu Sas]

Yes, it is possible.
Leave the existing opensips/mediaproxy as is and add a new
opensips/rtpproxy server.
The new server must listen on two interfaces (IPV4/IPV6) and rtpproxy
must be configured to run in bridge mode (see option -l IPV4/IPV6).
The rtpproxy commands must be invoked with proper "ei"/"ie" flags
based on the call direction (see description of the flags here):
http://www.opensips.org/html/docs/modules/1.7.x/rtpproxy.html#id292738

Regards,
Ovidiu Sas

-- VoIP Embedded, Inc.http://www.voipembedded.com
On Wed, Nov 30, 2011 at 9:10 AM, Jacek Konieczny <jajcus at jajcus.net> wrote:
> Hello,
>
> We use opensips with Mediaproxy and CDRTool on our VoIP gateway.We will
> be introducing IPv6 in our infrastructure too and I would also like to
> have SIP connectivity available for IPv6. Our upstream SIP links are
> IPv4 only, so we will need some kind of IPv6 to IPv4 gateway.
>
> AFAIK opensips can do IPv6, but Mediaproxy cannot, and due to its design
> (using Linux kernel connection tracking for media forwarding) it will
> probably never be able to forward IPv4 media to IPv6.
>
> It seem I could use RTPProxy as a IPv4<->IPv6 media gateway, but I
> cannot replace mediaproxy with rtpproxy, as we rely on the latter for
> accounting (CDRTool). It seems I would need to use rtpproxy in addtion
> to mediaproxy…
>
> My question is: is that possible at all?
>
> I guess it would be possible if I use two opensips instances – the
> current one for accounting and upstream connectivity and another one,
> together with rtpproxy, as the IPv4<->IPv6 gateway.
>
> Any hints for implementing this? Have anybody done IPv4<->IPv6 with
> opensips and rtpproxy?
>
> Greets,
>        Jacek
>
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