#!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:pinger@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 <abalashov@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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