[SR-Users] RTPProxy and bridging IPv4/IPv6 with parallel forking

[Daniel-Constantin Mierla]

On 4/14/11 9:48 AM, Klaus Darilion wrote:
>
> Am 13.04.2011 15:55, schrieb Daniel-Constantin Mierla:
>> If does not work with one instance, I would use branch flags to mark the
>> branch doing ipv4 to ipv6 translation and engage a dedicated rtpproxy
>> for it. You can run two rtpproxy-es on the same server, in different sets:
>> http://kamailio.org/docs/modules/stable/modules_k/rtpproxy.html#id3012059
>> http://kamailio.org/docs/modules/stable/modules_k/rtpproxy.html#id3009496
>>
>> So the branch doing ipv4-ipv6 will have a flag set and use a particular
>> rtpproxy. On the 200ok, you can check the branch flag and engage again
>> the proper rtpproxy.
> That's a nice idea. Some time ago I tried the same setup and failed. Are
> there some easy methods to find out if a target is IPv4 or IPv6, e.g.
> something like
>
>    if ( is_ipv6("$rd") ) {
>      ...
>    }

in onsend_route you can check the destination address family:

if(snd_af==INET6) { ... }

It might be too late for some specific processing, though.

Cheers,
Daniel

-- 
Daniel-Constantin Mierla
http://www.asipto.com