[Serusers] how to let the SER through NAT

[Greger V. Teigre]

Have a look at the Getting Started document at http://onsip.org/
g-)

gcc chentob wrote:
> Hello,
>     I have problem about NAT , Sould  I install the Rtpproxy  with
> SER? ( I only put the Nathelper in the SER)
>     I installed the SER in the a publib ip, other endpoints in
> private ip . I want to let the endpoints transfers voice . But I
> failed when I step the Nathelper's readme . Can it transfer voice 
> when only use Nathelper ?The config following :
>    # debugging mode
> debug=3
> fork=no
> log_stderror=yes
> 
> # ------------------ module loading ----------------------------------
> 
> loadmodule "modules/nathelper/nathelper.so"
> loadmodule "modules/textops/textops.so"
> loadmodule "modules/tm/tm.so"
> loadmodule "modules/rr/rr.so"
> loadmodule "modules/registrar/registrar.so"
> loadmodule "modules/usrloc/usrloc.so"
> loadmodule "modules/sl/sl.so"
> 
> 
> # ------------------ request-routing script --------------------------
> 
> # main routing logic
> 
> route{
> 
> # compulsory processing of Route header fields and adding RR
> loose_route();
> 
> # ATA's are symmetric but don't advertise it -- force use of rport
> if (search("User-Agent: Cisco ATA.*")) {
> setflag(1); # remember this is ATA
> force_rport();
> fix_nated_contact();
> };
> 
> /* registration (uses rewritten contacts) */
> if (method=="REGISTER") {
> save("foo.bar.com");
> break;
> };
> 
> if (method=="INVITE") {
> record_route();
> if (isflagset(1)) { # ATA ?
> force_rtp_proxy();
> };
> /* set up reply processing */
> t_on_reply("1");
> };
> 
> /* set up reply processing and forward statefuly */
> t_relay();
> }
> 
> # all incoming replies for t_onrepli-ed transactions enter here
> onreply_route[1] {
> if (status=~"2[0-9][0-9]" && search("Server: Cisco ATA.*"))
> fix_nated_contact();
> force_rtp_proxy();
> }
> 
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