[Users] openser sending 408 to UAC when not receiving 200 from UAS after 4 secs

Ovidiu Sas sip.nslu at gmail.com
Wed Jun 13 19:33:59 CEST 2007


Then why did you set the fr_inv_timer to 4?

modparam("tm","fr_inv_timer",4)

see:
http://openser.org/docs/modules/1.2.x/tm.html#AEN138



Regards,
Ovidiu Sas

On 6/13/07, Tim Madorma <tmadorma at gmail.com> wrote:
> Hi,
>
> For a basic call, when the UAS does not send a 200 within approx 4
> seconds, the OpenSER has a timer fire and sends a 408 to the UAC and a
> Cancel to the UAS. This only allows one ring on the terminating phone
> before the call is dropped.. I'm attaching the log and Wireshark/snoop
> capture file. I'll put the openser config file inline here. Please
> advise:
>
> #
> #  openser_vm.cfg
> #
> # ----------- global configuration parameters ------------------------
>
> debug=3            # debug level (cmd line: -dddddddddd)
> fork=yes
> log_stderror=no    # (cmd line: -E)
>
> maxbuffer=1048576
>
> check_via=no    # (cmd. line: -v)
> dns=no          # (cmd. line: -r)
> rev_dns=no      # (cmd. line: -R)
> #reply_to_via=1
> children=32
> log_facility=LOG_LOCAL5
> dns_use_search_list=no
> dns_servers_no=1
> user="sipproxy"
> group="sipproxy"
>
> # Local IP address/port pairs to listen to
> # Set the following IP addresses to the value of the local e1000g0 interface
> listen=udp:65.185.233.55:5061
> listen=udp:65.185.233.55:5062
>
> # Alias IP address/port pair values will be in the Req URI when the
> # OpenSER is being load balanced with a BIG IP server
> # Set the IP address to the value of the associated blade
> # of the BIG IP that is load balancing for the SIP Proxy server.
> alias=65.185.233.104:5061
> alias=65.185.233.104:5062
>
> # LOAD OpenSER MODULES
> mpath="/sw/lib/openser/modules/"
> loadmodule "sl.so"
> loadmodule "tm.so"
> loadmodule "rr.so"
> loadmodule "maxfwd.so"
> loadmodule "usrloc.so"
> loadmodule "registrar.so"
> loadmodule "textops.so"
> loadmodule "acc.so"
> loadmodule "mi_fifo.so"
> loadmodule "enum.so"
> loadmodule "perl.so"
> loadmodule "xlog.so"
>
> # ----------------- setting module-specific parameters ---------------
>
> # -- usrloc params --
>
> modparam("usrloc", "db_mode",   0)
>
> # -- rr params --
> # add value to ;lr param to make some broken UAs happy
> modparam("rr", "enable_full_lr", 1)
>
> # -------------------------  request routing logic -------------------
> modparam("acc", "log_level", 2)
> modparam("acc", "log_flag", 1)
> modparam("acc","report_cancels", 1)
> modparam("acc","failed_transaction_flag", 1)
> modparam("acc","log_extra", "req_uri=$rU")
> modparam("tm", "fr_timer", 2)
> modparam("tm","fr_inv_timer",4)
> modparam("mi_fifo", "fifo_name", "/tmp/openser_fifo")
> modparam("perl", "filename",
> "/sw/lib/openser/perl/openser_twc_sip_proxy_3.0.pl")
>
> # main routing logic
>
> route{
>         # initial sanity checks -- messages with
>         # max_forwards==0, or excessively long requests
>         if (!mf_process_maxfwd_header("10")) {
>                 sl_send_reply("483","Too Many Hops");
>                 exit;
>         };
>
>         if (msg:len >=  2048 ) {
>                 sl_send_reply("513", "Message too big");
>                 exit;
>         };
>
>         # we record-route all messages -- to make sure that
>         # subsequent messages will go through our proxy; that's
>         # particularly good if upstream and downstream entities
>         # use different transport protocol
>         if (!method=="REGISTER")
>                 record_route();
>
>         # subsequent messages withing a dialog should take the
>         # path determined by record-routing
>         if (loose_route()) {
>                 # mark routing logic in request
>                 append_hf("P-hint: rr-enforced\r\n");
>                 route(1);
>         };
>
>         if (!uri==myself) {
>                 route(1);
>         };
>
>         if (method=="OPTIONS") {
>             sl_send_reply("200", "OK");
>             exit;
>         }
>
>         ##############################################################
>         # TWC: dst_port 5062 indicates Message Waiting Indicator
>         ##############################################################
>         if (dst_port==5062 && method=="NOTIFY") {
>
>             xlog("L_DBG", "TWC: received incoming message:\n <$mb>\n");
>             perl_exec("twc_proc_vm_mwi");
>
>             if ($rc==-1) {
>               log("TWC: COULD NOT PARSE THE MWI TRIGGER");
>               sl_send_reply("400", "Bad Request");
>               exit;
>             }
>
>             # The enum_query() call will form an ENUM (NAPTR DNS) request from
>             # the user part of the Req URI and the passed MWI server and send
>             # it to the ENUM server defined in resolv.conf.
>             enum_query("mwi.ex.e164.rr.com");
>             if ($rc==1) {
>               log("MWI ENUM QUERY SUCCEEDED");
>                setflag(1);
>                route(1);
>             } else {
>               log("MWI ENUM QUERY FAILED");
>               sl_send_reply("404", "Not Found");
>               exit;
>             }
>         }
>
>         ##############################################################
>         # TWC: dst_port 5061 indicates VM Outbound dial trigger
>         ##############################################################
>         if (dst_port==5061 && method=="INVITE") {
>
>             xlog("L_DBG", "TWC: received incoming message:\n <$mb>\n");
>             perl_exec("twc_proc_vm_outdial");
>
>             if ($rc==-1) {
>               log("TWC: COULD NOT PARSE THE VM OUTDIAL TRIGGER");
>               sl_send_reply("400", "Bad Request");
>               exit;
>             }
>
>             # The enum_query() call will form an ENUM (NAPTR DNS) request from
>             # the user part of the Req URI and the passed VMO server and send
>             # it to the ENUM server defined in resolv.conf.
>             enum_query("vmo.ex.e164.rr.com");
>             if ($rc==1) {
>                log("VMO ENUM QUERY SUCCEEDED");
>                setflag(1);
>                # Use pseudo vars to set REQ URI User to the original
> Req URI User
>                $rU = $oU;
>                route(1);
>             } else {
>                log("ENUM QUERY FAILED");
>                sl_send_reply("404", "Not Found");
>                exit;
>             }
>         }
> }
>
>
> #####################################################
> # Default Message Handler
> #####################################################
> route[1] {
>
>         # Send it out now; use stateful forwarding as it works reliably
>         # even for UDP2TCP
>         if (!t_relay()) {
>                 sl_reply_error();
>         };
>         exit;
> }
>
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