Hi Nawfel,
The problem is that opensips, as running on a private address, will
advertise in Route hdr that private IP (that will be useless when GW
tries to route the ACK).
So, currently, what is the way your opensips is reachable from outside ?
Best regards,
Bogdan
Nawfel Oujdi wrote:
Hi!!
I load balancing between 2 asterisk,the load_balancer it s done
correctly but the calls hangs up after 10 second approximately. My
setup is (just with 1 asterisk):
Cisco GW ----(NAT)----> Opensips --------> Asterisk
My problem is that opensips never receive the ACK from Cisco GW even
if this last one sent it.
CISCO logs:
ACK sip:911126...@*public ip of asterisk* :5060 SIP/2.0
Route: <sip:*internal ip of
opensips*;lr=on;ftag=F40B44FC-18A6;did=1cd.369d0f26>
I think cisco reply ACK to Asterisk through the internal ip of
opensips cause opensips did not provide Cisco with his public IP (NAT).
Can somebody help me with this??
I heard about fix_nated_contact() but i don't know how and where
in my script¿Somebody send me examples ?
Thank you very much!!
my opensips.cfg:
route{
if (!mf_process_maxfwd_header("10")) {
sl_send_reply("483","looping");
exit;
}
if ($rU==NULL) {
# request with no Username in RURI
sl_send_reply("484","Address Incomplete");
exit;
}
if (!has_totag()) {
# initial request
record_route();
} else {
# sequential request -> obey Route indication
loose_route();
t_relay();
exit;
}
if ( is_method("CANCEL") ) {
if ( t_check_trans() )
t_relay();
exit;
}
# from now on we have only the initial requests
if (!is_method("INVITE")) {
send_reply("405","Method Not Allowed");
exit;
}
# detect resources and do balancing
if (method=="INVITE") {
load_balance("1","calls");
}
# LB function returns negative if no suitable destination (for
requested resources) is found,
# or if all destinations are full
if ($retcode<0) {
sl_send_reply("500","Service full");
exit;
}
xlog("Selected destination is: $du\n");
# send it out
if (!t_relay()) {
sl_reply_error();
}
}
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--
Bogdan-Andrei Iancu
OpenSIPS Bootcamp
15 - 19 November 2010, Edison, New Jersey, USA
www.voice-system.ro
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