Alex, thank you for the answer, I have installed rtpproxy and is running:
rtpproxy -l 66.152.18.221 -s udp:localhost:7722
this is my NAT kamailio.cfg:
#!ifdef WITH_NAT
# ----- rtpproxy params -----
modparam("rtpproxy", "rtpproxy_sock", "udp:127.0.0.1:7722")
# ----- nathelper params -----
modparam("nathelper", "natping_interval", 30)
modparam("nathelper", "ping_nated_only", 1)
modparam("nathelper", "sipping_bflag", FLB_NATSIPPING)
modparam("nathelper", "sipping_from", "sip:pin...@kamailio.org")
# params needed for NAT traversal in other modules
modparam("nathelper|registrar", "received_avp", "$avp(RECEIVED)")
modparam("usrloc", "nat_bflag", FLB_NATB)
#!endif
And in the route(NAT) I have changed the nat test:
* if (!nat_uac_test("32"))*
This is because I want to do NAT only with those clients which source
signalling is not RFC1918 compliant.
Since I'm using a transparent proxy on the public ip. The problem I'm still
having is that the RTP traffic are routing to the private ip address of the
sip phone. I have been with this since a couple of days and I would
appreciate a little help.
Thanks ons advance,
Lucas
On Tue, May 31, 2011 at 2:45 PM, Alex Balashov <abalas...@evaristesys.com>wrote:
> On 05/31/2011 01:40 PM, Lucas Alvarez wrote:
>
> Hi, I'm having a problem with RTP traffic, I have softphone connecting
>> from the outside, I can register but Kamailio is sending all RTP traffic
>> to the private IP address that the softphone has in it own local
>> network. How can I fix this? Any help will be appreciated.
>>
>
> That is what the far-end NAT traversal / rtpproxy part of Kamailio
> functionality is for.
>
> --
> Alex Balashov - Principal
> Evariste Systems LLC
> 260 Peachtree Street NW
> Suite 2200
> Atlanta, GA 30303
> Tel: +1-678-954-0670
> Fax: +1-404-961-1892
> Web: http://www.evaristesys.com/
>
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