Re: [Serusers] Forwarding to backup gateway

3 Dec 2004

Hi David,

In failure_route you need to add the new destination as a new branch. 
Try it like this:

failure_route[1] {
             log("---> TRYING GW1 <---\n");
             rewritehostport("GW1:5060");
             append_branch();
             t_relay_to_udp("GW1","5060");
             break;
}

Best regards,
Marian

David Filion wrote:
...
  Hi,

 At work are planning to use SER to route traffic between a pstn gateway, 
 Asterisk, and direct lookups.  We would like to set up the routing to 
 try a second gateway if it cannot contact the primary gateway.  Below is 
 the config file and attached is the output from a sample session.

 Ideally, we would like to see

 If( ! forward to GW2)

             Forward(GW1);

 }

  From what I’ve read in the archives, forward() cannot be used (yes, I 
 tried it anywayJ ).  The config below does get to the failure_route but 
 at that point two errors appear:

 1(21749) ERROR: t_forward_nonack: no branched for fwding

 1(21749) ERROR: failure_route: t_relay_to failed

 Any tips/pointers?

 David

 # ----------- global configuration parameters ------------------------

 listen=XXX.XXX.XXX.XXX

 alias=XXX.com

 alias=XXX.XXX.com

 #debug=3         # debug level (cmd line: -dddddddddd)

 #fork=yes

 #log_stderror=no            # (cmd line: -E)

 /* Uncomment these lines to enter debugging mode  */

 debug=7

 fork=no

 log_stderror=yes

 check_via=no    # (cmd. line: -v)

 dns=no           # (cmd. line: -r)

 rev_dns=no      # (cmd. line: -R)

 #port=5060

 #children=4

 fifo="/tmp/ser_fifo"

 # ------------------ module loading ----------------------------------

 # Uncomment this if you want to use SQL database

 loadmodule "/usr/local/lib/ser/modules/mysql.so"

 loadmodule "/usr/local/lib/ser/modules/sl.so"

 loadmodule "/usr/local/lib/ser/modules/tm.so"

 loadmodule "/usr/local/lib/ser/modules/rr.so"

 loadmodule "/usr/local/lib/ser/modules/maxfwd.so"

 loadmodule "/usr/local/lib/ser/modules/usrloc.so"

 loadmodule "/usr/local/lib/ser/modules/registrar.so"

 # Uncomment this if you want digest authentication

 # mysql.so must be loaded !

 loadmodule "/usr/local/lib/ser/modules/auth.so"

 loadmodule "/usr/local/lib/ser/modules/auth_db.so"

 # ----------------- setting module-specific parameters ---------------

 # -- usrloc params --

 #modparam("usrloc", "db_mode",   0)

 # Uncomment this if you want to use SQL database

 # for persistent storage and comment the previous line

 modparam("usrloc", "db_mode", 2)

 # -- auth params --

 # Uncomment if you are using auth module

 #

 modparam("auth_db", "calculate_ha1", yes)

 #

 # If you set "calculate_ha1" parameter to yes (which true in this config),

 # uncomment also the following parameter)

 #

 modparam("auth_db", "password_column", "password")

 # -- rr params --

 # add value to ;lr param to make some broken UAs happy

 modparam("rr", "enable_full_lr", 1)

 # -- tm params --

 #modparam("tm", "fr_timer", 10)

 modparam("tm", "fr_inv_timer", 15)

 # -------------------------  request routing logic -------------------

 # main routing logic

 route{

             # initial sanity checks -- messages with

             # max_forwards==0, or excessively long requests

             if (!mf_process_maxfwd_header("10")) {

                         sl_send_reply("483","Too Many Hops");

                         break;

             };

             if ( msg:len > max_len ) {

                         sl_send_reply("513", "Message too big");

                         break;

             };

             # we record-route all messages -- to make sure that

             # subsequent messages will go through our proxy; that's

             # particularly good if upstream and downstream entities

             # use different transport protocol

             record_route();

             # loose-route processing

             if (loose_route()) {

                         t_relay();

                         break;

             };

             # if the request is for other domain use UsrLoc

             # (in case, it does not work, use the following command

             # with proper names and addresses in it)

             if (uri==myself) {

                         if (method=="REGISTER") {

 # Uncomment this if you want to use digest authentication

 #                                  if (!www_authorize("iptel.org", 
 "subscriber")) {

 #                                              
 www_challenge("iptel.org", "0");

 #                                              break;

 #                                  };

                                     save("location");

                                     break;

                         };

                         if (method=="INVITE") {

                                     # local user ids

                                     if 
 (uri=~"^sip:1[0-9][0-9][0-9][0-9][0-9][0-9]@") {

                                                 forward("sip.dotality.com");

                                                 break;

                                     };

                                     # Phone #s

                                     if 
 (uri=~"^sip:[2-9][0-9][0-9][0-9][0-9][0-9][0-9]@") {

                                                 log("---> TRYING GW2 
 <---\n");

                                                 t_on_failure("1");

 t_relay_to_udp("gw2","5060");

                                                 break;

                                     };

                                     # native SIP destinations are 
 handled using our USRLOC DB

                                     if (!lookup("location")) {

                                                 sl_send_reply("404", 
 "Not Found");

                                                 break;

                                     };

                                     # forward to current uri now; use 
 stateful forwarding; that

                                     # works reliably even if we forward 
 from TCP to UDP

                                     if (!t_relay()) {

                                                 sl_reply_error();

                                     };

                         };

             };

 }

 # Fallback route for pstn gateways.

 failure_route[1] {

             log("---> TRYING GW1 <---\n");

             t_relay_to_udp("GW1","5060");

             break;

 }

 ------------------------------------------------------------------------

  0(21746) loading module /usr/local/lib/ser/modules/mysql.so
  0(21746) loading module /usr/local/lib/ser/modules/sl.so
  0(21746) loading module /usr/local/lib/ser/modules/tm.so
  0(21746) loading module /usr/local/lib/ser/modules/rr.so
  0(21746) loading module /usr/local/lib/ser/modules/maxfwd.so
  0(21746) loading module /usr/local/lib/ser/modules/usrloc.so
  0(21746) loading module /usr/local/lib/ser/modules/registrar.so
  0(21746) loading module /usr/local/lib/ser/modules/auth.so
  0(21746) loading module /usr/local/lib/ser/modules/auth_db.so
  0(21746) set_mod_param_regex: usrloc matches module usrloc
  0(21746) set_mod_param_regex: found <db_mode> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) set_mod_param_regex: auth_db matches module auth_db
  0(21746) set_mod_param_regex: found <calculate_ha1> in module auth_db
[/usr/local/lib/ser/modules/auth_db.so]
  0(21746) set_mod_param_regex: auth_db matches module auth_db
  0(21746) set_mod_param_regex: found <password_column> in module auth_db
[/usr/local/lib/ser/modules/auth_db.so]
  0(21746) set_mod_param_regex: rr matches module rr
  0(21746) set_mod_param_regex: found <enable_full_lr> in module rr
[/usr/local/lib/ser/modules/rr.so]
  0(21746) set_mod_param_regex: tm matches module tm
  0(21746) set_mod_param_regex: found <fr_inv_timer> in module tm
[/usr/local/lib/ser/modules/tm.so]
  0(21746) find_export: found <mf_process_maxfwd_header> in module maxfwd_module
[/usr/local/lib/ser/modules/maxfwd.so]
  0(21746) find_export: found <sl_send_reply> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(21746) find_export: found <sl_send_reply> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(21746) find_export: found <record_route> in module rr
[/usr/local/lib/ser/modules/rr.so]
  0(21746) find_export: found <loose_route> in module rr
[/usr/local/lib/ser/modules/rr.so]
  0(21746) find_export: found <t_relay> in module tm
[/usr/local/lib/ser/modules/tm.so]
  0(21746) find_export: found <save> in module registrar
[/usr/local/lib/ser/modules/registrar.so]
  0(21746) find_export: found <t_on_failure> in module tm
[/usr/local/lib/ser/modules/tm.so]
  0(21746) find_export: found <t_relay_to_udp> in module tm
[/usr/local/lib/ser/modules/tm.so]
  0(21746) find_export: found <lookup> in module registrar
[/usr/local/lib/ser/modules/registrar.so]
  0(21746) find_export: found <sl_send_reply> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(21746) find_export: found <t_relay> in module tm
[/usr/local/lib/ser/modules/tm.so]
  0(21746) find_export: found <sl_reply_error> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(21746) find_export: found <t_relay_to_udp> in module tm
[/usr/local/lib/ser/modules/tm.so]
  0(21746) routing table 0:
  0(21746) if ( 0(21746) NOT(  0(21746)  external_module_call( 0(21746)
f_ptr<0x42188c70> 0(21746) , "10" 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x42188c70> 0(21746) , "10" 0(21746)
);  0(21746)  ) 0(21746) ) { 0(21746)  external_module_call( 0(21746)
f_ptr<0x4001c760> 0(21746) , "483" 0(21746) , "Too Many Hops"
0(21746) );  0(21746) drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746)
};  0(21746) if ( 0(21746) UNKNOWN 0(21746) <UNKNOWN> 0(21746) 65535 0(21746) ) {
0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"513" 0(21746) , "Message too big" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) 
external_module_call( 0(21746) f_ptr<0x40022f20> 0(21746) );  0(21746) if ( 0(21746)
 external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) );  0(21746) ) { 0(21746) 
external_module_call( 0(21746) f_ptr<0x4 22665d0> 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
uri 0(21746) == 0(21746) _myself_ 0(21746) ) { 0(21746) if ( 0(21746) method 0(21746) ==
0(21746) "REGISTER" 0(21746) ) { 0(21746)  external_module_call( 0(21746)
f_ptr<0x4218e040> 0(21746) , "location" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
method 0(21746) == 0(21746) "INVITE" 0(21746) ) { 0(21746) if ( 0(21746) uri
0(21746) =~ 0(21746) "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9]@" 0(21746) ) {
0(21746) forward( 0(21746) "sip.dotality.com" 0(21746) , 0 0(21746) );  0(21746)
drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if (
0(21746) uri 0(21746) =~ 0(21746) "^sip:[2-9][0-9][0-9][0-9][0-9][0-9][0-9]@"
0(21746) ) { 0(21746) log( 0(21746) 4 0(21746) , "---> TRYING gwmon2 <---
...
  " 0(21746) );  0(21746)  external_module_call(
0(21746) f_ptr<0x422663e0> 0(21746) , "1" 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x42266bd0> 0(21746) ,
"gwmon2.dotality.com" 0(21746) , "5060" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
NOT(  0(21746)  external_module_call( 0(21746) f_ptr<0x4218cdd0> 0(21746) ,
"location" 0(21746) );  0(21746)  external_module_call( 0(21746)
f_ptr<0x4218cdd0> 0(21746) , "location" 0(21746) );  0(21746)  ) 0(21746)
) { 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"404" 0(21746) , "Not Found" 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) NOT( 
0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746)  ) 0(21746) )
{ 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c7a0>  0(21746) ); 
0(21746) } else { 0(21746) };  0(21746) } else { 0(21746) };  0(21746) } else { 0(21746)
};  0(21746) if ( 0(21746) UNKNOWN 0(21746) <UNKNOWN> 0(21746) 65535 0(21746) ) {
0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"513" 0(21746) , "Message too big" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) 
external_module_call( 0(21746) f_ptr<0x40022f20> 0(21746) );  0(21746) if ( 0(21746)
 external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) );  0(21746) ) { 0(21746) 
external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
uri 0(21746) == 0(21746) _myself_ 0(21746) ) { 0(21746) if ( 0(21746) method 0(21746) ==
0(21746) "REGISTER" 0(21746) ) { 0(21746)  external_module_call( 0(21746)
f_ptr<0x4218e040> 0(21746) , "locat
ion" 0(21746) );  0(21746) drop( 0(21746) type<0> 0(21746) );  0(21746) } else
{ 0(21746) };  0(21746) if ( 0(21746) method 0(21746) == 0(21746) "INVITE"
0(21746) ) { 0(21746) if ( 0(21746) uri 0(21746) =~ 0(21746)
"^sip:1[0-9][0-9][0-9][0-9][0-9][0-9]@" 0(21746) ) { 0(21746) forward( 0(21746)
"sip.dotality.com" 0(21746) , 0 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) uri
0(21746) =~ 0(21746) "^sip:[2-9][0-9][0-9][0-9][0-9][0-9][0-9]@" 0(21746) ) {
0(21746) log( 0(21746) 4 0(21746) , "---> TRYING gwmon2 <---
...
  " 0(21746) );  0(21746)  external_module_call(
0(21746) f_ptr<0x422663e0> 0(21746) , "1" 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x42266bd0> 0(21746) ,
"gwmon2.dotality.com" 0(21746) , "5060" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
NOT(  0(21746)  external_module_call( 0(21746) f_ptr<0x4218cdd0> 0(21746) ,
"location" 0(21746) );  0(21746)  external_module_call( 0(21746)
f_ptr<0x4218cdd0> 0(21746) , "location" 0(21746) );  0(21746)  ) 0(21746)
) { 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"404" 0(21746) , "Not Found" 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) NOT( 
0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746)  ) 0(21746) )
{ 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c7a0>  0(21746) ); 
0(21746) } else { 0(21746) };  0(21746) } else { 0(21746) };  0(21746) } else { 0(21746)
};  0(21746)  external_module_call( 0(21746) f_ptr<0x40022f20> 0(21746) );  0(21746)
if ( 0(21746)  external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) ); 
0(21746)  external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) );  0(21746) ) {
0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746)
drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if (
0(21746) uri 0(21746) == 0(21746) _myself_ 0(21746) ) { 0(21746) if ( 0(21746) method
0(21746) == 0(21746) "REGISTER" 0(21746) ) { 0(21746)  external_module_call(
0(21746) f_ptr<0x4218e040> 0(21746) , "location" 0(21746) );  0(21746)
drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if (
0(21746) method 0(21746) == 0(21746) "INVITE" 0(21746) ) { 0(21746) if (
0(21746) uri 0(21746) =~ 0(21746) "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9]@"
0(21746) ) { 0(21
746) forward( 0(21746) "sip.dotality.com" 0(21746) , 0 0(21746) );  0(21746)
drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if (
0(21746) uri 0(21746) =~ 0(21746) "^sip:[2-9][0-9][0-9][0-9][0-9][0-9][0-9]@"
0(21746) ) { 0(21746) log( 0(21746) 4 0(21746) , "---> TRYING gwmon2 <---
...
  " 0(21746) );  0(21746)  external_module_call(
0(21746) f_ptr<0x422663e0> 0(21746) , "1" 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x42266bd0> 0(21746) ,
"gwmon2.dotality.com" 0(21746) , "5060" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
NOT(  0(21746)  external_module_call( 0(21746) f_ptr<0x4218cdd0> 0(21746) ,
"location" 0(21746) );  0(21746)  external_module_call( 0(21746)
f_ptr<0x4218cdd0> 0(21746) , "location" 0(21746) );  0(21746)  ) 0(21746)
) { 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"404" 0(21746) , "Not Found" 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) NOT( 
0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746)  ) 0(21746) )
{ 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c7a0>  0(21746) ); 
0(21746) } else { 0(21746) };  0(21746) } else { 0(21746) };  0(21746) } else { 0(21746)
};  0(21746) if ( 0(21746)  external_module_call( 0(21746) f_ptr<0x40020e30>
0(21746) );  0(21746)  external_module_call( 0(21746) f_ptr<0x40020e30> 0(21746) ); 
0(21746) ) { 0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) ); 
0(21746) drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746)
if ( 0(21746) uri 0(21746) == 0(21746) _myself_ 0(21746) ) { 0(21746) if ( 0(21746) method
0(21746) == 0(21746) "REGISTER" 0(21746) ) { 0(21746)  external_module_call(
0(21746) f_ptr<0x4218e040> 0(21746) , "location" 0(21746) );  0(21746)
drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if (
0(21746) method 0(21746) == 0(21746) "INVITE" 0(21746) ) { 0(21746) if (
0(21746) uri 0(21746) =~ 0(21746) "^sip:1[0-9][0-9][0-9][0-9][0-9][0-9]@"
0(21746) ) { 0(21746) forward( 0(21746) "sip.dotality.com" 0(21746) , 0 0(21746)
);  0(21
746) drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if
( 0(21746) uri 0(21746) =~ 0(21746) "^sip:[2-9][0-9][0-9][0-9][0-9][0-9][0-9]@"
0(21746) ) { 0(21746) log( 0(21746) 4 0(21746) , "---> TRYING gwmon2 <---
...
  " 0(21746) );  0(21746)  external_module_call(
0(21746) f_ptr<0x422663e0> 0(21746) , "1" 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x42266bd0> 0(21746) ,
"gwmon2.dotality.com" 0(21746) , "5060" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
NOT(  0(21746)  external_module_call( 0(21746) f_ptr<0x4218cdd0> 0(21746) ,
"location" 0(21746) );  0(21746)  external_module_call( 0(21746)
f_ptr<0x4218cdd0> 0(21746) , "location" 0(21746) );  0(21746)  ) 0(21746)
) { 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"404" 0(21746) , "Not Found" 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) NOT( 
0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746)  ) 0(21746) )
{ 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c7a0>  0(21746) ); 
0(21746) } else { 0(21746) };  0(21746) } else { 0(21746) };  0(21746) } else { 0(21746)
};  0(21746) if ( 0(21746) uri 0(21746) == 0(21746) _myself_ 0(21746) ) { 0(21746) if (
0(21746) method 0(21746) == 0(21746) "REGISTER" 0(21746) ) { 0(21746) 
external_module_call( 0(21746) f_ptr<0x4218e040> 0(21746) , "location"
0(21746) );  0(21746) drop( 0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746)
};  0(21746) if ( 0(21746) method 0(21746) == 0(21746) "INVITE" 0(21746) ) {
0(21746) if ( 0(21746) uri 0(21746) =~ 0(21746)
"^sip:1[0-9][0-9][0-9][0-9][0-9][0-9]@" 0(21746) ) { 0(21746) forward( 0(21746)
"sip.dotality.com" 0(21746) , 0 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) uri
0(21746) =~ 0(21746) "^sip:[2-9][0-9][0-9][0-9][0-9][0-9][0-9]@" 0(21746) ) {
0(21746) log( 0(21746) 4 0(21746) , "---> TRYING gwmon2 <---
...
  " 0(21746) );  0(21746)  external_module_call(
0(21746) f_ptr<0x422663e0> 0(21746) , "1" 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x42266bd0> 0(21746) ,
"gwmon2.dotality.com" 0(21746) , "5060" 0(21746) );  0(21746) drop(
0(21746) type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746)
NOT(  0(21746)  external_module_call( 0(21746) f_ptr<0x4218cdd0> 0(21746) ,
"location" 0(21746) );  0(21746)  external_module_call( 0(21746)
f_ptr<0x4218cdd0> 0(21746) , "location" 0(21746) );  0(21746)  ) 0(21746)
) { 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c760> 0(21746) ,
"404" 0(21746) , "Not Found" 0(21746) );  0(21746) drop( 0(21746)
type<0> 0(21746) );  0(21746) } else { 0(21746) };  0(21746) if ( 0(21746) NOT( 
0(21746)  external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746) 
external_module_call( 0(21746) f_ptr<0x422665d0> 0(21746) );  0(21746)  ) 0(21746) )
{ 0(21746)  external_module_call( 0(21746) f_ptr<0x4001c7a0>  0(21746) ); 
0(21746) } else { 0(21746) };  0(21746) } else { 0(21746) };  0(21746) } else { 0(21746)
};  0(21746)
...
   0(21746) failure routing table 1:
  0(21746) log( 0(21746) 4 0(21746) , "---> TRYING gwmon1 <---
 " 0(21746) );  0(21746)  external_module_call( 0(21746) f_ptr<0x42266bd0>
0(21746) , "gwmon1.dotality.com" 0(21746) , "5060" 0(21746) ); 
0(21746) drop( 0(21746) type<0> 0(21746) );  0(21746)  external_module_call(
0(21746) f_ptr<0x42266bd0> 0(21746) , "gwmon1.dotality.com" 0(21746) ,
"5060" 0(21746) );  0(21746) drop( 0(21746) type<0> 0(21746) );  0(21746)
drop( 0(21746) type<0> 0(21746) );  0(21746)
 WARNING: no fork mode
  0(21746) DEBUG: init_mod: mysql
  0(21746) mysql - initializing
  0(21746) DEBUG: init_mod: sl_module
 stateless - initializing
  0(21746) DEBUG: register_fifo_cmd: new command (sl_stats) registered
  0(21746) DEBUG: MD5 calculated: 27e130c926f35560d3a0756cba4a4952
  0(21746) DEBUG: init_mod: tm
  0(21746) TM - initializing...
  0(21746) Call-ID initialization: '3fffe87f'
  0(21746) DEBUG: register_fifo_cmd: new command (t_uac_dlg) registered
  0(21746) DEBUG: register_fifo_cmd: new command (t_uac_cancel) registered
  0(21746) DEBUG: register_fifo_cmd: new command (t_hash) registered
  0(21746) DEBUG: lock_initialize: lock initialization started
  0(21746) DEBUG: register_fifo_cmd: new command (t_stats) registered
  0(21746) DEBUG: MD5 calculated: 284f76854faa9948cf0e75538f706b24
  0(21746) DEBUG: MD5 calculated: 54d100966b31f061ee53248c62853860
  0(21746) DEBUG: init_mod: rr
  0(21746) rr - initializing
  0(21746) DEBUG: init_mod: maxfwd_module
 Maxfwd module- initializing
  0(21746) DEBUG: init_mod: usrloc
  0(21746) usrloc - initializing
  0(21746) DEBUG: register_fifo_cmd: new command (ul_stats) registered
  0(21746) DEBUG: register_fifo_cmd: new command (ul_rm) registered
  0(21746) DEBUG: register_fifo_cmd: new command (ul_rm_contact) registered
  0(21746) DEBUG: register_fifo_cmd: new command (ul_dump) registered
  0(21746) DEBUG: register_fifo_cmd: new command (ul_flush) registered
  0(21746) DEBUG: register_fifo_cmd: new command (ul_add) registered
  0(21746) DEBUG: register_fifo_cmd: new command (ul_show_contact) registered
  0(21746) find_export: found <db_use_table> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_init> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_close> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_query> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_raw_query> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_free_query> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_insert> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_delete> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_update> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) connect_db(): _db_usl: sql://ser:heslo@localhost/ser
  0(21746) connect_db(): user: ser  password: heslo  host: localhost  port: (null) 
database: ser
  0(21746) mod_init(): Database connection opened successfuly
  0(21746) DEBUG: init_mod: registrar
  0(21746) registrar - initializing
  0(21746) find_export: found <sl_send_reply> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(21746) find_export: found <ul_bind_usrloc> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_register_udomain> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_get_all_ucontacts> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_insert_urecord> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_delete_urecord> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_get_urecord> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_lock_udomain> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_unlock_udomain> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_release_urecord> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_insert_ucontact> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_delete_ucontact> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_get_ucontact> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) find_export: found <ul_update_ucontact> in module usrloc
[/usr/local/lib/ser/modules/usrloc.so]
  0(21746) DEBUG: init_mod: auth
  0(21746) auth module - initializing
  0(21746) find_export: found <sl_send_reply> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(21746) DEBUG: init_mod: auth_db
  0(21746) auth_db module - initializing
  0(21746) find_export: found <db_use_table> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_init> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_close> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_query> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_raw_query> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_free_query> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_insert> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_delete> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <db_update> in module mysql
[/usr/local/lib/ser/modules/mysql.so]
  0(21746) find_export: found <pre_auth> in module auth
[/usr/local/lib/ser/modules/auth.so]
  0(21746) find_export: found <post_auth> in module auth
[/usr/local/lib/ser/modules/auth.so]
  0(21746) find_export: found <sl_send_reply> in module sl_module
[/usr/local/lib/ser/modules/sl.so]
  0(0) fixing /usr/local/lib/ser/modules/maxfwd.so mf_process_maxfwd_header
  0(0) fixing /usr/local/lib/ser/modules/sl.so sl_send_reply
  0(0) fixing /usr/local/lib/ser/modules/sl.so sl_send_reply
  0(0) fixing /usr/local/lib/ser/modules/rr.so record_route
  0(0) fixing /usr/local/lib/ser/modules/rr.so loose_route
  0(0) fixing /usr/local/lib/ser/modules/tm.so t_relay
  0(0) fixing /usr/local/lib/ser/modules/registrar.so save
  0(0) query="select
username,contact,expires,q,callid,cseq,replicate,state,flags,user_agent from location
"
  0(0) DEBUG: mk_proxy: doing DNS lookup...
  0(0) fixing /usr/local/lib/ser/modules/tm.so t_on_failure
  0(0) fixing /usr/local/lib/ser/modules/tm.so t_relay_to_udp
  0(0) TM module: fixup_t_forward(gwmon2.dotality.com, 1)
  0(0) TM module: fixup_t_forward: param 1.. do nothing, wait for #2
  0(0) TM module: fixup_t_forward(5060, 2)
  0(0) DEBUG: mk_proxy: doing DNS lookup...
  0(0) fixing /usr/local/lib/ser/modules/registrar.so lookup
  0(0) fixing /usr/local/lib/ser/modules/sl.so sl_send_reply
  0(0) fixing /usr/local/lib/ser/modules/tm.so t_relay
  0(0) fixing /usr/local/lib/ser/modules/sl.so sl_reply_error
  0(0) fixing /usr/local/lib/ser/modules/tm.so t_relay_to_udp
  0(0) TM module: fixup_t_forward(gwmon1.dotality.com, 1)
  0(0) TM module: fixup_t_forward: param 1.. do nothing, wait for #2
  0(0) TM module: fixup_t_forward(5060, 2)
  0(0) DEBUG: mk_proxy: doing DNS lookup...
  0(0) INFO: udp_init: SO_RCVBUF is initially 65535
  0(0) DEBUG: udp_init: trying SO_RCVBUF: 131070
  0(0) DEBUG: setting SO_RCVBUF; set=131070,verify=131070
  0(0) DEBUG: udp_init: trying SO_RCVBUF: 262140
  0(0) DEBUG: setting SO_RCVBUF; set=262140,verify=131070
  0(0) DEBUG: setting SO_RCVBUF has no effect
  0(0) DEBUG: udp_init: trying SO_RCVBUF: 133118
  0(0) DEBUG: setting SO_RCVBUF; set=133118,verify=131070
  0(0) DEBUG: setting SO_RCVBUF has no effect
  0(0) INFO: udp_init: SO_RCVBUF is finally 131070
  1(0) DEBUG: init_mod_child (-1): tm
  1(0) DEBUG: callid: &#39;3fffe87f-0(a)207.107.212.221&#39;
  1(0) DEBUG: init_mod_child (-1): usrloc
  1(0) connect_db(): _db_usl: sql://ser:heslo@localhost/ser
  1(0) connect_db(): user: ser  password: heslo  host: localhost  port: (null)  database:
ser
  1(21749) DBG: open_uac_fifo: opening fifo...
  1(21749) DEBUG: FIFO created @ /tmp/ser_fifo
  1(21749) DEBUG: fifo /tmp/ser_fifo opened, mode=432
  1(21749)  2(0) INFO: fifo process starting: 21751
  2(0) DEBUG: init_mod_child (-2): tm
  2(0) DEBUG: callid: &#39;3fffe87f-0(a)207.107.212.221&#39;
  2(0) DEBUG: init_mod_child (-2): usrloc
  2(0) connect_db(): _db_usl: sql://ser:heslo@localhost/ser
  2(0) connect_db(): user: ser  password: heslo  host: localhost  port: (null)  database:
ser
 DEBUG: init_mod_child (-1): auth_db
  1(21749) connect_db(): _db_usl: sql://serro:47serro11@localhost/ser
  1(21749) connect_db(): user: serro  password: 47serro11  host: localhost  port: (null) 
database: ser
  2(21751) DEBUG: init_mod_child (-2): auth_db
  2(21751) connect_db(): _db_usl: sql://serro:47serro11@localhost/ser
  2(21751) connect_db(): user: serro  password: 47serro11  host: localhost  port: (null) 
database: ser
  0(21746)  2(21751) SER: open_uac_fifo: fifo server up at /tmp/ser_fifo...
 DEBUG: init_mod_child (1): tm
  0(21746) DEBUG: callid: &#39;3fffe87f-21746(a)207.107.212.221&#39;
  0(21746) DEBUG: init_mod_child (1): usrloc
  0(21746) connect_db(): _db_usl: sql://ser:heslo@localhost/ser
  0(21746) connect_db(): user: ser  password: heslo  host: localhost  port: (null) 
database: ser
  0(21746) DEBUG: init_mod_child (1): auth_db
  0(21746) connect_db(): _db_usl: sql://serro:47serro11@localhost/ser
  0(21746) connect_db(): user: serro  password: 47serro11  host: localhost  port: (null) 
database: ser
  0(21746) udp_rcv_loop: probing packet received from 64.254.225.86 50963
  0(21746) SIP Request:
  0(21746)  method:  <INVITE>
  0(21746)  uri:     <sip:8177408@ser.dotality.com>
  0(21746)  version: <SIP/2.0>
  0(21746) parse_headers: flags=1
  0(21746) Found param type 232, <branch> = <z9hG4bK96ce68a6720fdcd6>;
state=16
  0(21746) end of header reached, state=5
  0(21746) parse_headers: Via found, flags=1
  0(21746) parse_headers: this is the first via
  0(21746) After parse_msg...
  0(21746) preparing to run routing scripts...
  0(21746) DEBUG : is_maxfwd_present: searching for max_forwards header
  0(21746) parse_headers: flags=128
  0(21746) end of header reached, state=9
  0(21746) DEBUG: get_hdr_field: <To> [32]; uri=[sip:8177408@ser.dotality.com]
  0(21746) DEBUG: to body [<sip:8177408@ser.dotality.com>
 ]
  0(21746) get_hdr_field: cseq <CSeq>: <35126> <INVITE>
  0(21746) DEBUG: is_maxfwd_present: value = 70
  0(21746) DEBUG: add_param: tag=8ced7f66b0ecec55
  0(21746) end of header reached, state=29
  0(21746) parse_headers: flags=256
  0(21746) DEBUG: get_hdr_body : content_length=264
  0(21746) found end of header
  0(21746) find_first_route(): No Route headers found
  0(21746) loose_route(): There is no Route HF
  0(21746) check_self - checking if host==us: 16==15 &&  [ser.dotality.com] ==
[207.107.212.221]
  0(21746) check_self - checking if port 5060 matches port 5060
  0(21746) ---> TRYING gwmon2 <---
  0(21746) DEBUG: t_addifnew: msg id=1 , global msg id=0 , T on entrance=0xffffffff
  0(21746) parse_headers: flags=-1
  0(21746) parse_headers: flags=60
  0(21746) t_lookup_request: start searching: hash=30974, isACK=0
  0(21746) DEBUG: RFC3261 transaction matching failed
  0(21746) DEBUG: t_lookup_request: no transaction found
  0(21746) SER: new INVITE
  0(21746) parse_headers: flags=-1
  0(21746) check_via_address(64.254.225.86, 64.254.225.86, 0)
  0(21746) WARNING:vqm_resize: resize(0) called
  0(21746) DEBUG: reply sent out. buf=0x80cffe8: SIP/2.0 1..., shmem=0x402f7cc8: SIP/2.0
1
  0(21746) DEBUG: t_reply: finished
  0(21746) check_via_address(64.254.225.86, 64.254.225.86, 0)
  0(21746) DEBUG: add_to_tail_of_timer[4]: 0x402f66d0
  0(21746) DEBUG: add_to_tail_of_timer[0]: 0x402f66e4
  0(21746) SER: new transaction fwd'ed
  0(21746) DEBUG:destroy_avp_list: destroing list (nil)
  0(21746) receive_msg: cleaning up
  1(21749) DEBUG: timer routine:4,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[5]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:5,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[6]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:6,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:7,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:7,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  0(21746) udp_rcv_loop: probing packet received from 64.254.225.86 50963
  1(21749) DEBUG: timer routine:7,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:7,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:7,tl=0x402f66d0 next=(nil)
  1(21749) DEBUG: retransmission_handler : request resending (t=0x402f65a8, INVITE si ...
)
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f66d0
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:0,tl=0x402f66e4 next=(nil)
  1(21749) DEBUG: FR_handler:stop retr. and send CANCEL (0x402f65a8)
  1(21749) ->>>>>>>>> T_code=100, new_code=408
  1(21749) ---> TRYING gwmon1 <---
  1(21749) ERROR: t_forward_nonack: no branched for fwding
  1(21749) ERROR: failure_route: t_relay_to failed
  1(21749) DEBUG: relay_reply: branch=0, save=0, relay=0
  1(21749) parse_headers: flags=-1
  1(21749) check_via_address(64.254.225.86, 64.254.225.86, 0)
  1(21749) DEBUG: reply relayed. buf=0x80cf8c8: SIP/2.0 4..., shmem=0x402f7cc8: SIP/2.0 4
  1(21749) DEBUG: add_to_tail_of_timer[4]: 0x402f665c
  1(21749) DEBUG: add_to_tail_of_timer[0]: 0x402f6670
  1(21749) DEBUG: final_response_handler : done
  1(21749) DEBUG: timer routine:7,tl=0x402f66d0 next=(nil)
  0(21746) SIP Request:
  0(21746)  method:  <ACK>
  0(21746)  uri:     <sip:8177408@ser.dotality.com>
  0(21746)  version: <SIP/2.0>
  0(21746) parse_headers: flags=1
  0(21746) Found param type 232, <branch> = <z9hG4bK96ce68a6720fdcd6>;
state=16
  0(21746) end of header reached, state=5
  0(21746) parse_headers: Via found, flags=1
  0(21746) parse_headers: this is the first via
  0(21746) After parse_msg...
  0(21746) preparing to run routing scripts...
  0(21746) DEBUG : sl_filter_ACK: to late to be a local ACK!
  0(21746) DEBUG : is_maxfwd_present: searching for max_forwards header
  0(21746) parse_headers: flags=128
  0(21746) DEBUG: add_param: tag=54d100966b31f061ee53248c62853860-3a9c
  0(21746) end of header reached, state=29
  0(21746) DEBUG: get_hdr_field: <To> [74]; uri=[sip:8177408@ser.dotality.com]
  0(21746) DEBUG: to body [<sip:8177408@ser.dotality.com>]
  0(21746) get_hdr_field: cseq <CSeq>: <35126> <ACK>
  0(21746) DEBUG: is_maxfwd_present: value = 70
  0(21746) DEBUG: add_param: tag=8ced7f66b0ecec55
  0(21746) end of header reached, state=29
  0(21746) parse_headers: flags=256
  0(21746) DEBUG: get_hdr_body : content_length=0
  0(21746) found end of header
  0(21746) find_first_route(): No Route headers found
  0(21746) loose_route(): There is no Route HF
  0(21746) check_self - checking if host==us: 16==15 &&  [ser.dotality.com] ==
[207.107.212.221]
  0(21746) check_self - checking if port 5060 matches port 5060
  0(21746) DEBUG:destroy_avp_list: destroing list (nil)
  0(21746) receive_msg: cleaning up
  1(21749) DEBUG: timer routine:4,tl=0x402f665c next=(nil)
  1(21749) DEBUG: retransmission_handler : reply resending (t=0x402f65a8, SIP/2.0 4 ... )
  1(21749) DEBUG: reply retransmitted. buf=0x42273d00: SIP/2.0 4..., shmem=0x402f7cc8:
SIP/2.0 4
  1(21749) DEBUG: add_to_tail_of_timer[5]: 0x402f665c
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:5,tl=0x402f665c next=(nil)
  1(21749) DEBUG: retransmission_handler : reply resending (t=0x402f65a8, SIP/2.0 4 ... )
  1(21749) DEBUG: reply retransmitted. buf=0x42273d00: SIP/2.0 4..., shmem=0x402f7cc8:
SIP/2.0 4
  1(21749) DEBUG: add_to_tail_of_timer[6]: 0x402f665c
  1(21749) DEBUG: retransmission_handler : done
  1(21749) DEBUG: timer routine:6,tl=0x402f665c next=(nil)
  1(21749) DEBUG: retransmission_handler : reply resending (t=0x402f65a8, SIP/2.0 4 ... )
  1(21749) DEBUG: reply retransmitted. buf=0x42273d00: SIP/2.0 4..., shmem=0x402f7cc8:
SIP/2.0 4
  1(21749) DEBUG: add_to_tail_of_timer[7]: 0x402f665c
  1(21749) DEBUG: retransmission_handler : done
  0(21746) udp_rcv_loop: probing packet received from 64.254.225.86 50963

 ------------------------------------------------------------------------

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Re: [Serusers] Forwarding to backup gateway