Hi, Michele!
I noticed that you are using the engage_rtp_proxy() function, but it's
behavior is undefined when using RTPProxy in bridge mode[1]. Therefore
you should use manualy engage RTPProxy, using the rtpproxy_offer()
rtpproxy_answer() functions and the 'I' and 'E' flags to determine the
direction of the flow.
[1] http://www.opensips.org/html/docs/modules/1.9.x/rtpproxy.html#id292454
Best regards,
Razvan Crainea
OpenSIPS Core Developer
http://www.opensips-solutions.com
On 05/09/2013 01:09 PM, Michele Pinassi wrote:
Hi all,
i have an OpenSIPS server with two interface, PUBLIC (xxx) and PRIVATE
(172.20.1.2). The PRIVATE interface works inside a LAN dedicated to
VoIP, with a MediaServer (172.20.1.5) and a Patton Gateway for PSTN
(172.20.1.4).
Users phone's can register on both interface and i use RTPProxy (in
bridging mode) to ensure that both side can talk togheter.
But something don't work as expected....
Here's my OpenSIPS routing logic:
===========================================
route{
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","Too Many Hops");
exit;
}
if (msg:len >= 2048 ) {
sl_send_reply("513", "Message too big");
exit;
};
if(is_method("INVITE") && has_totag()) {
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") && $rd == "voip.unisi.it") {
# in-dialog subscribe requests
route(2);
exit;
}
if ( is_method("ACK") ) {
if ( t_check_trans() ) {
# non loose-route, but stateful ACK;
must be an ACK after
# a 487 or e.g. 404 from upstream server
t_relay();
exit;
} else {
# ACK without matching transaction ->
# ignore and discard
exit;
}
}
sl_send_reply("404","Not here");
}
exit;
}
#initial requests
# CANCEL processing
if (is_method("CANCEL"))
{
if (t_check_trans())
t_relay();
exit;
}
t_check_trans();
# authenticate if from local subscriber (uncomment to enable auth)
# authenticate all initial non-REGISTER request that pretend to be
# generated by local subscriber (domain from FROM URI is local)
# if (!(method=="REGISTER") && from_uri==myself) /*no multidomain
version*/
if (!(method=="REGISTER") && is_from_local()) /*multidomain version*/
{
if(!check_source_address("0")){
if (!proxy_authorize("", "subscriber")) {
proxy_challenge("", "0");
exit;
}
if (!db_check_from()) {
sl_send_reply("403","Forbidden auth ID");
exit;
}
consume_credentials();
# caller authenticated
}
}
# preloaded route checking
if (loose_route()) {
xlog("L_ERR", "Attempt to route with preloaded Route's
[$fu/$tu/$ru/$ci]");
if (!is_method("ACK"))
sl_send_reply("403","Preload Route denied");
exit;
}
# record routing
if (!is_method("REGISTER|MESSAGE"))
record_route();
# account only INVITEs
if (is_method("INVITE")) {
setflag(1); # do accounting
}
if (!uri==myself) {
append_hf("P-hint: outbound\r\n");
route(1);
}
if( is_method("PUBLISH|SUBSCRIBE")) {
route(2);
}
if (is_method("REGISTER"))
{
# authenticate the REGISTER requests (uncomment to enable auth)
if (!www_authorize("", "subscriber"))
{
www_challenge("", "0");
exit;
}
if (!db_check_to())
{
sl_send_reply("403","Forbidden auth ID");
exit;
}
if (!save("location"))
sl_reply_error();
exit;
}
if ($rU==NULL) {
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
# media service number? (digits starting with *)
if($rU=~"^\*") {
route(4);
}
# apply DB based aliases (uncomment to enable)
alias_db_lookup("dbaliases");
# do lookup with method filtering
if (!lookup("location","m")) {
switch ($retcode) {
case -1: # no contact: route it !
cr_user_carrier("$fU", "$fd", "$avp(carrier)");
if($avp(carrier)==0) {
xlog("L_INFO","Not here: default route
[$fd/$fu/$rd/$ru/$si]\n");
# Not here: default route
[172.20.1.4/sip:2425@172.20.1.4:5060/voip.unisi.it/sip:5...@voip.unisi.it:5060/172.20.1.4]
if($(rU{s.len}) < 4) {
xlog("L_ERR", "Number incomplete/failure for
$rU\n");
prefix("FAIL_");
route(4);
}
if(!cr_route("default", "$fd", "$rU", "$rU",
"call_id",
"$avp(host)")) {
xlog("L_ERR", "Number not found for
$rU\n");
prefix("FAIL_");
route(4);
}
} else {
xlog("L_INFO","Not here: user route
[$fd/$fu/$rd/$ru/$si/$avp(carrier)]\n");
$avp(domain)="voip.unisi.it";
if (!cr_route("$avp(carrier)", "$avp(domain)",
"$rU",
"$rU","call_id", "$avp(host)")) {
sl_send_reply("404", "Not found");
xlog("L_ERR", "cr_route failed\n");
exit;
}
}
t_on_failure("1");
if (!t_relay()) {
sl_reply_error();
};
exit;
case -3: # internal error
t_newtran();
t_reply("404", "Not Found");
exit;
case -2: # method not supported
sl_send_reply("405", "Method Not Allowed");
exit;
}
}
# when routing via usrloc, log the missed calls also
setflag(2);
route(1);
}
route[1] {
xlog("L_INFO","Route1 [$fd/$fu/$rd/$ru/$si/]\n");
# for INVITEs enable some additional helper routes
if (is_method("INVITE")) {
t_on_branch("2");
t_on_reply("2");
t_on_failure("1");
}
if (!t_relay()) {
sl_reply_error();
};
exit;
}
# Presence route
route[2] {
xlog("L_INFO","Route2 [$fd/$fu/$rd/$ru/$si/]\n");
if (!t_newtran()) {
sl_reply_error();
exit;
};
if(is_method("PUBLISH")) {
handle_publish();
} else if( is_method("SUBSCRIBE")) {
handle_subscribe();
}
exit;
}
route[4] {
xlog("L_INFO","Route4 [$fd/$fu/$rd/$ru/$si/]\n");
rewritehostport("172.20.1.5:5060");
route(1);
}
branch_route[2] {
xlog("L_INFO","Branch Route2 [$fd/$fu/$rd/$ru/$si/]\n");
}
onreply_route[2] {
xlog("L_INFO","OnReply Route2 [$fd/$fu/$rd/$ru/$si/]\n");
}
failure_route[1] {
xlog("L_INFO","Failure Route1 [$fd/$fu/$rd/$ru/$si/]\n");
if (t_was_cancelled()) {
exit;
}
if (t_check_status("408|5[0-9][0-9]")) {
if(!cr_route("default", "$fd", "$rU", "$rU", "call_id",
"$avp(host)")){
t_reply("403", "Not allowed");
} else {
t_on_failure("2");
t_relay();
}
}
}
failure_route[2] {
xlog("L_INFO","Failure Route2 [$fd/$fu/$rd/$ru/$si/]\n");
if (t_was_cancelled()) {
exit;
}
revert_uri();
prefix("FAILURE_");
rewritehostport("172.20.1.5:5060");
t_relay();
}
===========================================
and this is the RTPProxy config:
===========================================
CONTROL_SOCK=udp:127.0.0.1:12221
# Additional options that are passed to the daemon.
EXTRA_OPTS="-l [external IP]/172.20.1.2"
===========================================
Anybody can help me ?
Michele
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