[OpenSIPS-Users] OpenSIPS 1.7 + NAT + rtpproxy
qasimakhan at gmail.com
qasimakhan at gmail.com
Fri Aug 3 08:33:01 CEST 2012
Have you installed and started rtpproxy? if not just scroll through this
website <http://www.rtpproxy.org/>.
Regards,
Qasim
On Fri, Aug 3, 2012 at 2:27 AM, Ashish Kundu <kash906 at gmail.com> wrote:
> Opensips is a great product, but I have been having problem in configuring
> the nat traversal + rtpproxy with opensips and have spent about a week on
> this. I am a novice in this... when opensips runs with the following
> opensips.cfg relevant portions -- it raises the following rtpproxy problem:
>
> "ERROR:rtpproxy:select_rtpp_node: script error -no valid set selected"
> "ERROR:rtpproxy:force_rtp_proxy: no available proxies"
>
> #-------- nat_traversal params -----
> modparam("nat_traversal", "keepalive_interval", 30)
> modparam("nat_traversal", "keepalive_method", "OPTIONS")
> modparam("nat_traversal", "keepalive_from", "sip:keepalive at a.b.c.d")
> modparam("nat_traversal", "keepalive_state_file",
> "/var/run/opensips/keepalive_state")
>
> #ak# --- rtpproxy -----
> # single rtproxy with specific weight
> modparam("rtpproxy", "rtpproxy_sock", "udp:localhost:9999")
> modparam("rtpproxy", "nortpproxy_str", "a=sdpmangled:yes\r\n")
> modparam("rtpproxy", "db_url", "mysql://opensips:opensipsrw@localhost
> /opensips")
> #modparam("rtpproxy", "db_table", "nh_rtpp")
> modparam("rtpproxy", "rtpp_socket_col", "rtpproxy_sock")
>
>
> ####### Routing Logic ########
>
>
> # main request routing logic
>
> route{
> ####nat_traversal info
> force_rport();
> if (client_nat_test("7")) {
> fix_contact();
> setflag(5);
> }
>
> if ((method=="REGISTER" || method=="SUBSCRIBE" ||
> (method=="INVITE" && !has_totag())) &&
> client_nat_test("7"))
> {
> nat_keepalive();
> }
> ####nat_traversal info ends
>
> if (!mf_process_maxfwd_header("10")) {
> sl_send_reply("483","Too Many Hops");
> exit;
> }
>
> ##ak#
> if ((is_method("INVITE")) && has_totag()) {
> #(has_body("application/sdp"))) {
> engage_rtp_proxy();
> }
>
> if (has_totag()) {
> # sequential request withing a dialog should
> # take the path determined by record-routing
> if (loose_route()) {
> if (is_method("BYE")) {
> setflag(1); # do accounting ...
> setflag(3); # ... even if the transaction
> fails
> } else if (is_method("INVITE")) {
> # even if in most of the cases is useless,
> do RR for
> # re-INVITEs alos, as some buggy clients
> do change route set
> # during the dialog.
> record_route();
> }
> # route it out to whatever destination was set by
> loose_route()
> # in $du (destination URI).
> route(1);
> } else {
> /* uncomment the following lines if you want to
> enable presence */
> ##if (is_method("SUBSCRIBE") && $rd == "your.server.ip.address") {
> ## # in-dialog subscribe requests
> ## route(2);
> ## exit;
> ##}
> if ( is_method("ACK") ) {
> if ( t_check_trans() ) {
> # non loose-route, but stateful
> ACK; must be an ACK after
> # a 487 or e.g. 404 from upstream
> server
> t_relay();
> exit;
> } else {
> # ACK without matching transaction
> ->
> # ignore and discard
> exit;
> }
> }
> sl_send_reply("404","Not here");
> }
> exit;
> }
>
> #initial requests
>
> # CANCEL processing
> if (is_method("CANCEL"))
> {
> if (t_check_trans())
> t_relay();
> #unforce_rtpproxy();
> exit;
> }
>
> t_check_trans();
>
> # preloaded route checking
> if (loose_route()) {
> xlog("L_ERR",
> "Attempt to route with preloaded Route's
> [$fu/$tu/$ru/$ci]");
> if (!is_method("ACK"))
> sl_send_reply("403","Preload Route denied");
> exit;
> }
>
> # record routing
> if (!is_method("REGISTER|MESSAGE"))
> record_route();
>
> # account only INVITEs
> if (is_method("INVITE")) {
> setflag(1); # do accounting
> }
> if (!uri==myself)
> ## replace with following line if multi-domain support is used
> ##if (!is_uri_host_local())
> {
> append_hf("P-hint: outbound\r\n");
> # if you have some interdomain connections via TLS
> ##if($rd=="tls_domain1.net") {
> ## t_relay("tls:domain1.net");
> ## exit;
> ##} else if($rd=="tls_domain2.net") {
> ## t_relay("tls:domain2.net");
> ## exit;
> ##}
> route(1);
> }
>
> # requests for my domain
>
> ## uncomment this if you want to enable presence server
> ## and comment the next 'if' block
> ## NOTE: uncomment also the definition of route[2] from below
> ##if( is_method("PUBLISH|SUBSCRIBE"))
> ## route(2);
>
> if (is_method("PUBLISH"))
> {
> sl_send_reply("503", "Service Unavailable");
> exit;
> }
>
>
> if (is_method("REGISTER"))
> {
> # authenticate the REGISTER requests (uncomment to enable
> auth)
> ##if (!www_authorize("", "subscriber"))
> ##{
> ## www_challenge("", "0");
> ## exit;
> ##}
> ##
> ##if (!db_check_to())
> ##{
> ## sl_send_reply("403","Forbidden auth ID");
> ## exit;
> ##}
>
> #---- Request is behind NAT(flag5) save with bflag 6 ----#
> #---- Use bflag 7 to start SIP pinging (Options) ----#
> if (isflagset(5)) {
> setbflag(6);
> setbflag(7);
> };
>
> if (!save("location"))
> sl_reply_error();
>
> exit;
> }
>
> if ($rU==NULL) {
> # request with no Username in RURI
> sl_send_reply("484","Address Incomplete");
> exit;
> }
>
> # apply DB based aliases (uncomment to enable)
> ##alias_db_lookup("dbaliases");
> if (!lookup("location","m")) {
> switch ($retcode) {
> case -1:
> case -3:
> t_newtran();
> t_reply("404", "Not Found");
> exit;
> case -2:
> sl_send_reply("405", "Method Not Allowed");
> exit;
> }
> }
>
> # when routing via usrloc, log the missed calls also
> setflag(2);
>
> route(1);
> }
>
>
> route[1] {
> # for INVITEs enable some additional helper routes
>
> #---- RTP Proxy handling ---#
> if (is_method("BYE|CANCEL")) {
> unforce_rtp_proxy();
> } else if (is_method("INVITE")){
> #---- Activates the RTP Proxy for the CALLEE ---#
> rtpproxy_offer();
> };
> #ak## catch and fix replies
> #ak#t_on_reply("2");
>
> if (is_method("INVITE")) {
> t_on_branch("2");
> t_on_reply("2");
> t_on_failure("1");
> }
>
> if (!t_relay()) {
> sl_reply_error();
> };
> exit;
> }
>
> branch_route[2] {
> if (client_nat_test("3")) {
> fix_contact();
> }
>
> xlog("new branch at $ru\n");
> }
>
>
> onreply_route[2] {
> if (client_nat_test("7")) {
> fix_contact();
> if ( is_method("INVITE") && has_body("application/sdp") ){
> ######ak# (isflagset(5) || isbflagset(6)) &&
> rtpproxy_answer();
> }
> }
> xlog("incoming reply\n");
> }
>
>
> failure_route[1] {
>
> if (t_was_cancelled()) {
> exit;
> }
>
> # uncomment the following lines if you want to block client
> # redirect based on 3xx replies.
> ##if (t_check_status("3[0-9][0-9]")) {
> ##t_reply("404","Not found");
> ## exit;
> ##}
>
> # uncomment the following lines if you want to redirect the failed
> # calls to a different new destination
> ##if (t_check_status("486|408")) {
> ## sethostport("192.168.2.100:5060");
> ## # do not set the missed call flag again
> ## t_relay();
> ##}
> }
>
>
>
>
>
>
> _______________________________________________
> Users mailing list
> Users at lists.opensips.org
> http://lists.opensips.org/cgi-bin/mailman/listinfo/users
>
>
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