Any hints about this?
On Tue, Sep 29, 2020 at 4:46 PM Mihai <[email protected]
<mailto:[email protected]>> wrote:
Hi all,
I need some help on getting to work my scenario:
I have 3 asterisk servers, and, every agent is connecting to which
server they need by contacting the PublicIP. (the problem is that I
need to reuse the IP address on others servers) . I want if is
possible to use Opensips as proxy, so that agents can connect to
those asterisk servers by virtualhost (example.
asterisk1.behindproxy.example, asterisk2.behindproxy.example ).
Basically I want to proxy everything thru OpenSIPs.
I am using centos 7 with the following packages installed:
opensips-dialplan-module-3.1.0-1.el7.x86_64
opensips-yum-releases-3.1-5.el7.noarch
opensips-b2bua-module-3.1.0-1.el7.x86_64
opensips-regex-module-3.1.0-1.el7.x86_64
opensips-mysql-module-3.1.0-1.el7.x86_64
opensips-3.1.0-1.el7.x86_64
What I tried so far is this config, it dose send my users to
required Asterisk servers, but on the asterisk server I don't see
their IP ( i see the IP of the proxy) and that's it ....
the dispatcher list is this from mysql:
Any help is apreciated.
+----+-------+----------------+--------+-------+--------+----------+-------+-------------+
| id | setid | destination | socket | state | weight | priority |
attrs | description |
+----+-------+----------------+--------+-------+--------+----------+-------+-------------+
| 1 | 1 | sip:172.16.0.2 | NULL | 2 | 1 | 0
| | sip1 |
| 2 | 2 | sip:172.16.0.3 | NULL | 2 | 1 | 0
| | sip2 |
| 3 | 3 | sip:172.16.0.4 | NULL | 2 | 1 | 0
| | sip3 |
+----+-------+----------------+--------+-------+--------+----------+-------+-------------+
####### Global Parameters #########
#debug_mode=yes
log_level=4
log_stderror=no
log_facility=LOG_LOCAL0
udp_workers=4
socket=udp:0.0.0.0:5060 <http://0.0.0.0:5060>
####### Modules Section ########
#set module path
mpath="/usr/lib64/opensips/modules"
#### SIGNALING module
loadmodule "signaling.so"
loadmodule "db_mysql.so"
loadmodule "db_text.so"
#### StateLess module
loadmodule "sl.so"
#### Transaction Module
loadmodule "tm.so"
modparam("tm", "fr_timeout", 5)
modparam("tm", "fr_inv_timeout", 30)
modparam("tm", "restart_fr_on_each_reply", 0)
modparam("tm", "onreply_avp_mode", 1)
#### Record Route Module
loadmodule "rr.so"
modparam("rr", "append_fromtag", 0)
#### MAX ForWarD module
loadmodule "maxfwd.so"
#### SIP MSG OPerationS module
loadmodule "sipmsgops.so"
#### FIFO Management Interface
loadmodule "mi_fifo.so"
modparam("mi_fifo", "fifo_name", "/tmp/opensips_fifo")
modparam("mi_fifo", "fifo_mode", 0666)
#### USeR LOCation module
loadmodule "usrloc.so"
modparam("usrloc", "nat_bflag", "NAT")
modparam("usrloc", "working_mode_preset", "single-instance-no-db")
#### REGISTRAR module
loadmodule "registrar.so"
modparam("registrar", "retry_after", 30)
#### DIALOG module
loadmodule "dialog.so"
modparam("dialog", "enable_stats", 0)
modparam("dialog", "hash_size", 1024)
modparam("dialog", "log_profile_hash_size", 4)
modparam("dialog", "default_timeout", 21600) # 6h
modparam("dialog", "dlg_extra_hdrs", "Hint: credit expired\r\n")
modparam("dialog", "dlg_match_mode", 0)
modparam("dialog", "options_ping_interval", 20)
modparam("dialog", "reinvite_ping_interval", 600)
### nat_traversal
loadmodule "nat_traversal.so"
modparam("nat_traversal", "keepalive_interval", 60)
modparam("nat_traversal", "keepalive_method", "OPTIONS")
modparam("nat_traversal", "keepalive_from",
"sip:[email protected]")
modparam("nat_traversal", "keepalive_extra_headers", "User-Agent:
OpenSIPS\r\nX-NAT: yes\r\n")
modparam("nat_traversal", "keepalive_state_file",
"/var/run/opensips/keepalive_state")
######################################################################
## Dispatcher Module Parameters
######################################################################
loadmodule "dispatcher.so"
#modparam("dispatcher", "list_file", "/etc/opensips/dispatcher.list")
modparam("dispatcher", "db_url",
"mysql://opensips:opensipsrw@localhost/opensips")
modparam("dispatcher", "dst_avp", "$avp(271)")
modparam("dispatcher", "attrs_avp", "$avp(272)")
modparam("dispatcher", "grp_avp", "$avp(273)")
modparam("dispatcher", "cnt_avp", "$avp(274)")
modparam("dispatcher", "hash_pvar", "$avp(273)")
modparam("dispatcher", "ds_ping_method", "OPTIONS")
modparam("dispatcher", "ds_ping_from", "sip:[email protected]")
modparam("dispatcher", "ds_ping_interval", 10)
modparam("dispatcher", "ds_probing_threshhold", 3)
modparam("dispatcher", "ds_probing_mode", 1)
modparam("dispatcher", "options_reply_codes", "501,403,404,400,200")
loadmodule "proto_udp.so"
####### Routing Logic ########
# main request routing logic
route{
if (!mf_process_maxfwd_header(10)) {
send_reply(483,"Max hops reached");
exit;
}
if (has_totag()) {
# handle hop-by-hop ACK (no routing required)
if ( is_method("ACK") && t_check_trans() ) {
t_relay();
exit;
}
# sequential request within a dialog should
# take the path determined by record-routing
if ( !loose_route() ) {
# we do record-routing for all our traffic, so we should not
# receive any sequential requests without Route hdr.
send_reply(404,"Not here");
exit;
}
# route it out to whatever destination was set by loose_route()
# in $du (destination URI).
route(relay);
exit;
}
# CANCEL processing
if (is_method("CANCEL")) {
if (t_check_trans())
t_relay();
exit;
}
# absorb retransmissions, but do not create transaction
t_check_trans();
if ( !(is_method("REGISTER") ) ) {
if (is_myself("$fd")) {
# do nothing
} else {
# if caller is not local, then called number must be local
if (!is_myself("$rd")) {
send_reply(403,"Relay Forbidden On: $si ");
#send_reply(200,"Relay $fd ");
exit;
}
}
}
# preloaded route checking
if (loose_route()) {
xlog("L_ERR",
"Attempt to route with preloaded Route's [$fu/$tu/$ru/$ci]");
if (!is_method("ACK"))
send_reply(403,"Preload Route denied");
exit;
}
# record routing
if (!is_method("REGISTER|MESSAGE"))
record_route();
if (!is_myself("$rd")) {
append_hf("P-hint: outbound\r\n");
route(relay);
}
# requests for my domain
if (is_method("PUBLISH|SUBSCRIBE")) {
send_reply(503, "Service Unavailable");
exit;
}
if (is_method("REGISTER")) {
if (!save("location"))
sl_reply_error();
exit;
}
if ($rU==NULL) {
# request with no Username in RURI
send_reply(484,"Address Incomplete");
exit;
}
# do lookup with method filtering
if (!lookup("location","m")) {
t_reply(404, "Not Found");
exit;
}
route(relay);
}
route[relay] {
# for INVITEs enable some additional helper routes
if (is_method("INVITE")) {
t_on_branch("per_branch_ops");
t_on_reply("handle_nat");
t_on_failure("missed_call");
}
if (!t_relay()) {
send_reply(500,"Internal Error");
}
exit;
switch ($fd){
case "asterisk1.example.com <http://asterisk1.example.com>":
if (!ds_select_dst(1, 0)) {
log("ERROR: no active destinations found!\n");
send_reply(503, "Service Unavailable");
exit;
}
ds_select_dst(1, 8, "ud", "default", 1);
break;
case "asterisk1.example.com <http://asterisk1.example.com>":
if (!ds_select_dst(2, 0)) {
log("ERROR: no active destinations found!\n");
send_reply(503, "Service Unavailable");
exit;
}
ds_select_dst(2, 8, "ud", "default", 1);
break;
case "asterisk1.example.com <http://asterisk1.example.com>":
if (!ds_select_dst(3, 0)) {
log("ERROR: no active destinations found!\n");
send_reply(503, "Service Unavailable");
exit;
}
ds_select_dst(3, 8, "ud", "default", 1);
log("---- flag value is $dd -- branch $fd \n");
break;
default:
log("unknow destination");
exit;
}
}
branch_route[per_branch_ops] {
xlog("new branch at $ru\n");
}
onreply_route[handle_nat] {
xlog("incoming reply\n");
}
failure_route[missed_call] {
if (t_was_cancelled()) {
exit;
}
}
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