[Serusers] forwarded calls got timeout when called part hangup

[Greger V. Teigre]

When caller hangs up, a CANCEL is generated. You see the OK to this CANCEL.
g-)

ashou han wrote:
> Hi there,
>
> I use a t_on_failure("1") in route[1] for a unavailable server to 
> another sip server, but always get timeout (code=408) when the called 
> part hangup, no error (code=200) when calling part hangup. Please help!!
>
> here is my ser.cfg and log:
>
> ==============================
> #
> # $Id: ser.cfg,v 1.25.2.1 2005/02/18 14:30:44 andrei Exp $
> #
> # simple quick-start config script
> #
>
> # ----------- global configuration parameters ------------------------
>
> debug=3 # debug level (cmd line: -dddddddddd)
> fork=yes
> #log_stderror=yes # (cmd line: -E)
> listen=127.0.0.1
>
> /* Uncomment these lines to enter debugging mode
> 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/postgres.so"
> loadmodule "/usr/local/lib/ser/modules/avpops.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"
> loadmodule "/usr/local/lib/ser/modules/textops.so"
> #loadmodule "/usr/local/lib/ser/modules/xlog.so"
>
> loadmodule "/usr/local/lib/ser/modules/acc.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 ---------------
>
> modparam("acc", "log_missed_flag", 2)
> modparam("acc", "log_level", 1)
> modparam("acc", "log_flag", 1)
> modparam("acc", "failed_transactions", 1)
> modparam("acc", "log_fmt", "miocfsdrtup")
> #modparam("acc", "db_flag", 3)
> #modparam("acc", "db_missed_flag", 4)
> #modparam("acc", "failed_transactions", 1)
> #modparam("acc", "db_url", "postgres://gatekeeper:mm1ch0t@localhost/ser")
>
> #modparam("acc", "log_extra" ,"ua=hdr/User-Agent")
> #modparam("acc", "db_extra" ,"uuid=avp/i:888; src_ip=avp/i:999")
> modparam("avpops", "avp_aliases", "c_uri=i:888; s_ip=i:999" )
>
> # -- 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 --
> # set time for which ser will be waiting for a final response;
> # fr_inv_timer sets value for INVITE transactions, fr_timer
> # for all others
> modparam("tm", "fr_inv_timer", 15 )
> modparam("tm", "fr_timer", 10 )
>
> # ------------------------- 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 >= 2048 ) {
> sl_send_reply("513", "Message too big");
> break;
> };
>
> if (method=="INVITE" || method=="BYE" || method=="CANCEL"){
> ## Accounting for all calls
> setflag(1);
> # setflag(2);
> };
>
> if (method=="INVITE") {
> record_route();
> }
>
> # write the source IP as avp "s_ip" for accounting purposes
> # avp_write( "$src_ip", "$s_ip");
>
> if (loose_route() ) {
> log("------- LOOSE ROUTE");
> route(1);
> break;
> };
>
> if (!uri==myself) {
> # mark routing logic in request
> append_hf("P-hint: outbound\r\n");
> log("------- IF ROUTE");
> #route(1);
> break;
> } else {
> # write the current RURI as avp "c_uri" for accounting purposes
> #avp_write( "$ruri", "$c_uri");
> append_hf("P-hint: outbound alias\r\n");
> log("------- ELSE ROUTE");
> route(1);
> break;
>
> };
> append_hf("P-hint: usrloc applied\r\n");
> log("------- LAST ROUTE");
> #route(1);
> setflag(4);
> break;
> }
>
> route[1]
> {
> if ((src_ip==192.168.0.199)) {
> if ((uri=~"^sip:1617.*@127\.0\.0\.1") or 
> (uri=~"^sip:1508.*@127\.0\.0\.1")) {
> log(1, "----------- Forwarding to OUR GW\n");
> rewritehost("192.168.0.201");
> log("----------- Host rewrited\n");
> setflag(1);
> # if we do not get a positive reply, continue at reply_route[1]
> t_on_failure("1");
> }else if ((uri=~"^sip:1.*@127\.0\.0\.1")) {
> log("----------- Forwarding to GW\n");
> rewritehost("192.168.0.100");
> log("----------- Host rewrited\n");
> setflag(1);
> };
> t_relay();
> break;
> }
> }
>
> failure_route[1] {
> if (t_check_status("487")) {
> break;
> };
> # forwarding failed -- try again at another destination
> if (method=="INVITE" && t_check_status("403|408|500|503")) {
> # revert_uri();
> log("----------- Next gateway\n");
> rewritehost("192.168.0.100");
> log("----------- Host rewrited\n");
> append_branch();
> setflag(1);
> t_relay();
> }
> }
> =========================================
> log:
> Jul 31 15:17:38 localhost /usr/local/sbin/ser[3468]: ACC: transaction 
> answered: method=INVITE, i-uri=sip:16175552222 at 127.0.0.1:5060, 
> o-uri=sip:16175552222 at 192.168.0.201:5060, 
> call_id=C3ECE80-200011DB-9498E149-4F3DC2BB at 199.232.41.199, 
> from=<sip:192.168.0.199>;tag=318DE490-1872, code=200, 
> totag=SDa3kv999-78f0001f-0-2058902615, fromtag=318DE490-1872, 
> to=<sip:16175552222 at 127.0.0.1>;tag=SDa3kv999-78f0001f-0-2058902615, 
> uid=n/a, userpart=16175552222
>
> Jul 31 15:17:38 localhost /usr/local/sbin/ser[3463]: ACC: request 
> acknowledged: method=ACK, 
> i-uri=sip:127.0.0.1:5060;ftag=318DE490-1872;lr=on, 
> o-uri=sip:16175552222 at 192.168.0.100:5060;endpoint=127.2.0.43;transport=udp, 
> call_id=C3ECE80-200011DB-9498E149-4F3DC2BB at 192.168.0.199, 
> from=<sip:192.168.0.199>;tag=318DE490-1872, code=200, 
> totag=SDa3kv999-78f0001f-0-2058902615, fromtag=318DE490-1872, 
> to=<sip:16175552222 at 127.0.0.1>;tag=SDa3kv999-78f0001f-0-2058902615, 
> uid=n/a, userpart=n/a
>
> Jul 31 15:18:13 localhost /usr/local/sbin/ser[3471]: ACC: transaction 
> answered: method=BYE, 
> i-uri=sip:127.0.0.1:5060;ftag=318DE490-1872;lr=on, 
> o-uri=sip:16175552222 at 192.168.0.100:5060;endpoint=127.2.0.43;transport=udp, 
> call_id=C3ECE80-200011DB-9498E149-4F3DC2BB at 192.168.0.199, 
> from=<sip:192.168.0.199>;tag=318DE490-1872, code=408, 
> totag=SDa3kv999-78f0001f-0-2058902615, fromtag=318DE490-1872, 
> to=<sip:16175552222 at 127.0.0.1>;tag=SDa3kv999-78f0001f-0-2058902615, 
> uid=n/a, userpart=n/a
>
>
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