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[Users] Change a Status Code From 182 to 180
by Marc Schaefer 05 Feb '07

05 Feb '07

Hello all, I've a small problem that causes a lot of problems and is in some way specific: I've a Openser 1.1.1 Server running on a public rootserver. User are registered with FritzBox ( DSL-Router with Voip-Stack) or a Soft/Hardphone being Nated. For the PSTN connectivity i've access to a PSTN Gateway from the BT. Everything works very nice with just one problem remaining. When one User gets a call from PSTN and picks it up, no problems. But the problem comes when a second call is made to the same User. His phone tells him that somebody is knocking and he can pickup the phone without any problem. The problem is on the callers side because he doesn't get any feedback that he is ringing/knocking, so most of the time he will just cancel the call. I did some research about it and here are my conclusions: The INVITE from the second call isn't answered with a "180 Ringing.." but with a "182 Queued.." which doesn't trigger a Ringing for the PSTN Call. When I talked to the BT support they did not really know about the status code 182 and could not give me an answer how their mediagateway will handle it ( They promised me to get the informtion :-) ). On the other side I can't change the Firmware so there's no way of persuading the DSL-Router to use 180 instead of 182. So my questions are: Can i change the status code at the proxy? If so, in which part of the routing logic do I have to change it? I tried a lot of different subst() and replace() commands but none had any effect on the sip messages it always kept being 182. Below you can see my configuration which is based on the template from ixcall ( http://www.ixcall.net/?q=node/32 ) with a lot of changes and support from the "getting started" guide from onsip.org, of course adapted to the openser 1.1.1 version I have attached my config. Keep in mind that this config will get through a m4 parser before being ready to be used ( mechanism can be seen at ixcall ). I hope my english is good enough to have my problem explained in a understandable manner Have fun Marc /* ==================================================================== Schnuffle Openser Configuration V6.3 Based on IxCall template V2.4 (http://www.ixcall.net/?q=node/32) And OnSip.org "Getting Started" Guid (http://siprouter.onsip.org/doc/gettingstarted/) ==================================================================== list of flags used 1 - Accounting 2 - Missed calls Accouting 3 - NAT SIP ping flag 4 - NAT invite detected 5 - registrar module nat_flag 6 - Enable NAT support 7 - Enable Trunk (pstn, asterisk or yate) 13 - Enable debugging -------------------------------------------------------------------- Routes 1 - Relay with NAT helper and no proxy authentication 2 - Method Register handler 3 - Method Invite handler (call routing) 4 - Trunk and PSTN gateway routing 5 - TLS routing ( not really used but still in config to keep the given message flow intact ) 6 - Relay with no NAT support and no proxy authentication 7 - User verify 10 - Relay with NAT helper and proxy authentication Reply 1 - NAT helper Fail 1 - Voicemail and message store ( stripped from all the voicemail and message storage stuff, so in fact just empty ) -------------------------------------------------------------------- */ #Global settings debug=3 log_facility=LOG_LOCAL7 fork=yes log_stderror=no mhomed=no # Multihomed - set this to no if you set a "listen" addres listen=OPENSER_IP # only want to bind to this ip port=OPENSER_PORT children=4 tcp_children=4 tcp_accept_aliases=yes alias=OPENSER_REALM # your realm alias=OPENSER_HOST # alias domains of your SRV records alias=OPENSER_IP # and for the die hard ip users. # uncomment to override config values for debugging /* debug=7 # debug level (cmd line: -ddd) fork=no port=OPENSER_PORT log_stderror=yes # (cmd line: -E) fifo="OPENSER_FIFO" */ dns=no rev_dns=no fifo="OPENSER_FIFO" fifo_mode=OPENSER_FIFO_MODE #TLS specific settings disable_tls = DISABLE_TLS #listen = tls:OPENSER_TLS_IP:OPENSER_TLS_PORT #tls_verify = 1 #tls_require_certificate = 0 #tls_method = SSLv23 #tls_certificate = "DEFAULT_TLS_CERTIFICATE" #tls_private_key = "DEFAULT_TLS_PRIVATE_KEY" #tls_ca_list = "DEFAULT_TLS_CA_LIST" mpath="OPENSER_MODULE_PATH" #path to openser modules loadmodule "mysql.so" loadmodule "sl.so" loadmodule "tm.so" loadmodule "rr.so" loadmodule "acc.so" loadmodule "maxfwd.so" loadmodule "usrloc.so" loadmodule "registrar.so" loadmodule "auth.so" loadmodule "auth_db.so" loadmodule "alias_db.so" loadmodule "uri.so" loadmodule "uri_db.so" loadmodule "mediaproxy.so" loadmodule "nathelper.so" loadmodule "textops.so" loadmodule "avpops.so" loadmodule "domain.so" loadmodule "permissions.so" loadmodule "group.so" loadmodule "xlog.so" loadmodule "enum.so" loadmodule "lcr.so" fifo_db_url="mysql://OPENSER_DB_USER:OPENSER_DB_PW@OPENSER_DB_HOST/OPENSER_DB" modparam("avpops|auth_db|alias_db|permissions|uri_db|usrloc|acc|msilo|group|domain|lcr|pdt","db_url", "mysql://OPENSER_DB_USER:OPENSER_DB_PW@OPENSER_DB_HOST/OPENSER_DB") modparam("auth_db", "calculate_ha1", CALCULATE_HA1) modparam("auth_db", "password_column", "PASSWORD_COLUMN") modparam("auth_db", "password_column_2", "ha1b") modparam("auth", "secret", "OPENSER_DIGEST_PW") #nathelper, mediaproxy or both can be used #we will only be using mediaproxy modparam("nathelper", "rtpproxy_disable", 1) modparam("nathelper", "natping_interval", 0) modparam("mediaproxy","natping_interval", 30) modparam("mediaproxy","mediaproxy_socket", "MEDIAPROXY_SOCKET") #modparam("mediaproxy","sip_asymmetrics","MEDIAPROXY_SIP_ASYMMETRICS") #modparam("mediaproxy","rtp_asymmetrics","MEDIAPROXY_RTP_ASYMMETRICS") # -- lcr params -- modparam("lcr","gw_table","gw") modparam("lcr","gw_name_column","gw_name") modparam("lcr","ip_addr_column","ip_addr") modparam("lcr","port_column","port") modparam("lcr","uri_scheme_column","uri_scheme") modparam("lcr","transport_column","transport") modparam("lcr","grp_id_column","grp_id") modparam("lcr","db_mode",0) # -- group params -- modparam("group", "table", "grp") modparam("group", "use_domain", 0) # might be usefull for future expansions modparam("group", "user_column", "username") modparam("group", "domain_column", "domain") modparam("group", "group_column", "grp") # -- usrloc params -- modparam("usrloc", "db_mode", 1) modparam("usrloc", "desc_time_order", 1) # -- registrar params -- modparam("registrar", "sip_natping_flag", 3) modparam("registrar", "nat_flag", 5) modparam("registrar", "desc_time_order", 1) # -- rr params -- modparam("rr", "enable_full_lr", 1) # -- tm params -- #modparam("tm", "fr_timer", 20 ) modparam("tm", "fr_inv_timer", 90 ) #modparam("tm", "wt_timer", 20 ) modparam("tm", "via1_matching", 1) modparam("tm", "fr_inv_timer_avp", "s:inv_timeout") # -- permission params -- modparam("permissions", "db_mode", 0) modparam("permissions", "trusted_table", "trusted") # -- acc params -- modparam("acc", "db_flag", 1 ) modparam("acc", "db_missed_flag", 2) modparam("acc", "report_cancels", 1) modparam("acc", "log_flag", 1) # -- alias_db params -- modparam("alias_db", "user_column", "username") modparam("alias_db", "domain_column", "domain") modparam("alias_db", "alias_user_column", "alias_username") modparam("alias_db", "alias_domain_column", "alias_domain") #--enum params -- #modparam("enum", "domain_suffix", "e164.arpa.") # -- domain params -- modparam("domain", "domain_table", "domain") modparam("domain", "domain_col", "domain") # -- avpops params -- # avpops is used to store the local prefix from each customer in subscriber table # and append it as soon as a local call is done (meaning a call matching [^0][0-9]*) modparam("avpops","db_scheme","prefix-scheme:username_col=username;domain_col=domain;value_col=prefix;value_type=string;table=subscriber") modparam("avpops","avp_table","subscriber") modparam("avpops","use_domain",0) modparam("avpops","username_column","username") modparam("avpops","domain_column","domain") modparam("avpops","avp_aliases","prefix=s:800") # ------------------------- request routing logic ------------------- # main routing logic route { # ----------------------------------------------------------------- # Configuration flags # ----------------------------------------------------------------- NAT_SUPPORT_FLAG_6 TRUNK_ENABLED_FLAG_7 DEBUG_FLAG_13 # changing return code 182 to 180 so that the calling phone will ring # does not work at all #if (status=="182") { # xlog("Changing Status Code from 182 to 180"); # subst('/182 Queued/180 Ringing/ig'); #} #xlog("Replacing Status 1820 with 180"); #replace_all("182 Queued","180 Ringing"); if (isflagset(13) && !is_method("ACK") && !is_method("REGISTER")) { #debug route route(13); }; # ----------------------------------------------------------------- # Sanity Check Section # ----------------------------------------------------------------- if (!mf_process_maxfwd_header("10")) { if (method!="ACK") { sl_send_reply("483", "Too Many Hops"); }; return; }; if (msg:len > max_len) { if (method!="ACK") { sl_send_reply("513", "Message Overflow"); }; return; }; if (status=="482") { #loop detection xlog("L_ERR", "OPENSER_NAME: $mi $rm $fu -> $ru status 482 Loop Detected\n"); return; }; # ----------------------------------------------------------------- # Record Route Section # ----------------------------------------------------------------- if (method=="INVITE") { record_route(); if (client_nat_test("3") && isflagset(6)) { add_rr_param(";nat=yes"); }; }; # ----------------------------------------------------------------- # Loose Route Section # ----------------------------------------------------------------- if (loose_route()) { if (isflagset(6)) { if (has_totag() && (method=="INVITE" || method=="ACK" || method=="BYE")) { setflag(1); # not really clear which of the setflags triggered the "BYE" and "CANCEL" to be accounted setflag(2); if (client_nat_test("3")||search("^Route:.*;nat=yes")){ xlog("L_NOTICE","Loose Route: Using MediaProxy"); use_media_proxy(); }; }; }; route(6); return; }; # ----------------------------------------------------------------- # Call Tear Down Section # ----------------------------------------------------------------- if (isflagset(6)) { if (method=="BYE" || method=="CANCEL") { setflag(1); setflag(2); end_media_session(); }; }; # ----------------------------------------------------------------- # Unauthorized relay # ----------------------------------------------------------------- if (!is_uri_host_local()) { xlog("L_NOTICE","Prevent unauthorized Access is_uri_host_local=false, URI: $u, From: $fu -> Request: $ru\n"); if (is_from_local() || allow_trusted()) { # We prevent unautherised relays xlog("is_from_local or allow_trusted is true\n"); append_hf("P-hint: outbound\r\n"); route(10); # need auth } else { xlog("L_NOTICE","Uauthorized Relay: Reply a Forbidden\n"); sl_send_reply("403", "Forbidden"); }; return; }; # ----------------------------------------------------------------- # Call Type Processing Section # ----------------------------------------------------------------- if (uri=~"sip:daemon@" ) { sl_send_reply("410", "daemon has gone for a beer"); return; }; # Calls matching means it is a local call without prefix # So prefix needs to be added expect for special numbers if (uri=~"sip:[1-9][0-9]*@" ) { # Check if uri contains special numbers ( 110,112 and some other 11[0-9]+ numbers ) # that should not be changed if (!uri=~"sip:11.*") { # add prefix to number # load user prefix and store it in $avp(s:800) # the prefix is stored in the subscriber table in an supplement attribute prefix if(!avp_db_load("$fu","$avp(s:800)/$prefix-scheme")) { xlog("Failed to load User Prefix"); } else {; # prefix R-URI xlog("Adding Prefix: $avp(s:800) to $ru"); subst_uri('/^sip:([0-9]+)@(.*)$/sip:$avp(s:800)\1@\2;orig_uri=\1-\2/i'); xlog("R-URI: $ru"); } } } if (method=="INVITE") { route(3); return; } else if (method=="ACK") { route(1); return; } else if (method=="BYE" || method=="CANCEL") { setflag(1); setflag(2); route(1); return; } else if (method=="REGISTER") { route(2); return; }; lookup("aliases"); #alias_db_lookup("dbaliases"); if (uri!=myself) { xlog("L_NOTICE", "Lookup Aliases failed"); route(10); return; }; if (!lookup("location")) { xlog("L_NOTICE", "Lookup Location failed"); route(8); return; }; route(1); # Do not proxy authenticate - needed by system to send messages return; } route[1] { # ----------------------------------------------------------------- # Default Route relay Handler with NAT ENABLED # ----------------------------------------------------------------- if (isflagset(6)) { if (client_nat_test("3")) { setflag(4); force_rport(); fix_contact(); }; if (isflagset(4) || isflagset(5)) { xlog("L_NOTICE","Route(1) using Mediaproxy"); use_media_proxy(); }; t_on_reply("1"); }; route(6); # Relay the call return; } route[2] { # ----------------------------------------------------------------- # REGISTER Message Handler # ----------------------------------------------------------------- # This cool register script came from http://openser.org/docs/scripting.html sl_send_reply("100", "Trying"); if (!route(7)) { # verify the user return(0); }; if (!search("^Contact:[ ]*\*") && client_nat_test("7") && isflagset(6)) { setflag(3); setflag(5); force_rport(); fix_contact(); }; if (!is_user_in("From", "noauth")) { #no authentication required if (!www_authorize("", "subscriber")) { if (isflagset(13)) { xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $fu Authorization for $fu ($si) requested\n"); }; www_challenge("", "0"); return(0); } else { if (isflagset(13)){ xlog("L_NOTICE","OPENSER_NAME: $mi route[$rm][2] \ $fu Authorization OK\n"); }; }; # Prohibit attempts to grab someone else's To address using valid credentials if (!check_to()) { if (isflagset(13)){ xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $fu -> $ru REPLY 401 - Unauthorized check_to() failed\n"); }; sl_send_reply("401", "Unauthorized - account and username must match"); return(0); }; consume_credentials(); }; if (!save("location")) { if (isflagset(13)) { xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $fu save(location) Failed\n"); }; sl_reply_error(); return(0); }else { if (isflagset(13)) { xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $fu save(location)OK\n"); }; }; return; } route[3] { # ----------------------------------------------------------------- # INVITE Message Handler # ----------------------------------------------------------------- setflag(1); #turn on accounting setflag(2); #also missed calls lookup("aliases"); #in the event that an alias resolves to another domain. #alias_db_lookup("dbaliases"); if (uri!=myself) { xlog("L_NOTICE","No Local Call Check Auth I: r-uri: <$ru> from-uri:<$fu>\n"); route(10); #check authentication return; }; if (!lookup("location")) { xlog("L_NOTICE","Lookup Location Failed: r-uri: <$ru> from-uri:<$fu>\n"); if (src_ip==OPENSER_PBX_IP || !isflagset(7)) { # loopback prevention route(8); return; } else { # if it's not here, go hassle asterisk. xlog("L_NOTICE","Trunk Routing: r-uri: <$ru> from-uri:<$fu>\n"); route(4); return; }; }; t_on_failure("1"); #call waiting,busy,DND,voicemail route(1); # local normal routing return; } route[4] { # ----------------------------------------------------------------- # PSTN Handler # ----------------------------------------------------------------- avp_write("$avp(i:120)", "$avp(s:inv_timeout)"); xlog("L_NOTICE","Loading Gateways form Database"); if (!load_gws()){ xlog("L_ERR","****************************** LoadGateways Failed **********************"); sl_send_reply("500", "Internal server error, unable to load phone gateways"); return; }; if (!next_gw()) { xlog("L_NOTICE","******************** Didn'T found Any Gateways *************************"); sl_send_reply("503", "Service not available - No gateways"); return; }; # check if we route through BT # if so, change From Header domain to IP ( @callway-voip.de -> @212.65.6.4 ) # BT Gateway is in GatewayGroup 1 if (to_gw("2")) { xlog("L_NOTICE","Relaying to External Gateway, so rewriting From-HEADER:$fu\n"); #subst('/182 Queued/180 Ringing/ig'); #replace_all("182 Queued","180 Ringing"); subst('/From:([^@]*)@callway-voip.de/From:\1@212.65.6.4/ig'); }; #if (isflagset(13)){ xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][4] \ time [$Tf] Next Gateway $ruri_user_avp method <$rm> r-uri <$ru> 2nd via <$hdr(via[1])>\n"); #}; route(1); return; } route[5] { # ----------------------------------------------------------------- # TLS Handling # ----------------------------------------------------------------- # if (!is_uri_host_local()) { # if you have some interdomain connections via TLS # if(uri=~"@tls_domain1.net") { # t_relay_to_tls("IP_domain1","port_domain1"); # exit; # } else if(uri=~"@tls_domain2.net") { # t_relay_to_tls("IP_domain2","port_domain2"); # exit; # }; # }; if (!is_uri_host_local()) { remove_hf("Alert-Info"); if (method=="INVITE" && proto==tls) { append_hf("Alert-info: 1\r\n"); #cisco 7960 append_hf("Alert-info: Bellcore-dr4\r\n"); #cisco ATA # append_hf("Alert-info: http://foo.bar/x.wav\r\n"); #snom }; }; return; } route[6] { # ----------------------------------------------------------------- # Route relay Handler # ----------------------------------------------------------------- #subst('/182 Queued/180 Ringing/ig'); #replace_all("182 Queued","180 Ringing"); if (!t_relay()) { if (isflagset(6)) { if (method=="INVITE" || method=="ACK") { end_media_session(); }; }; xlog("L_NOTICE","Route6: T_relay failed"); sl_reply_error(); }; return; } route[7] { # ----------------------------------------------------------------- # User verify # ----------------------------------------------------------------- # Check for known domain(s) if (!is_from_local()) { if (isflagset(13)){ xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $fu Unknown domain\n"); sl_send_reply("403", "Unknown domain"); }; return(0); }; # Check to see that the user has not been disabled if (is_user_in("From", "disabled")) { if (isflagset(13)){ xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $fu Your account has been disabled\n"); }; sl_send_reply("403", "Your account has been disabled"); return(0); }; if (is_user_in("To", "disabled")) { if (isflagset(13)) { xlog("L_NOTICE", "OPENSER_NAME: $mi route[$rm][2] \ $tu That account has been disabled\n"); }; sl_send_reply("403", "That account has been disabled"); return(0); }; return(1); } route[8] { # ----------------------------------------------------------------- # Handling of unavailable user # ----------------------------------------------------------------- # non-Voip -- just send "off-line" if (!(method=="INVITE" || method=="ACK" || method=="CANCEL")) { sl_send_reply("404", "Not Found"); return; }; t_newtran(); t_reply("404", "Not Found"); # we account missed incoming calls; previous statteful processing # guarantees that retransmissions are not accounted acc_db_request("404 missed call", "missed_calls"); return; } route[10] { # ----------------------------------------------------------------- # Default Message Handler with Proxy Authentication # ----------------------------------------------------------------- if(method=="ACK") { #these you never proxy authenticate route(1); return; }; if(method=="BYE" || method=="CANCEL") { #these you never proxy authenticate setflag(1); route(1); return; }; xlog("L_INFO", "Proxy auth $fd $dP destination:$du $dd $ds"); if (!route(7)) { #verify the user return(0); }; if (!is_user_in("From", "noauth")) { #no authentication required if (!proxy_authorize("","subscriber")) { proxy_challenge("","0"); return; } else if (!check_from()) { sl_send_reply("403", "Use From=ID"); return; }; consume_credentials(); }; # if (is_user_in("Credentials", "local")) { # Uncomment to use the group options route(1); # }else{ # sl_send_reply("403", "Denied, you are not allowed this route"); # }; return; } onreply_route[1] { # ----------------------------------------------------------------- # Return Route # ----------------------------------------------------------------- #replace_all("182 Queued","180 Ringing"); if ((isflagset(4) || isflagset(5)) && isflagset(6) && (status=~"(180)|(183)|2[0-9][0-9]")) { if (!search("^Content-Length:[ ]*0")) { xlog("L_NOTICE","OnReplyRoute(1) Using Mediaproxy"); use_media_proxy(); }; }; if (client_nat_test("1") && isflagset(6)) { fix_contact(); }; return; } failure_route[1] { # ----------------------------------------------------------------- # No answer, cancel, busy handling # ----------------------------------------------------------------- return; } route[13] { # ----------------------------------------------------------------- # Debuging info # ----------------------------------------------------------------- if (status=="100") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 100 Trying\n"); } else if (status=="180") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 180 Ringing\n"); } else if (status=="181") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 181 Call Is Being Forwarded\n"); } else if (status=="182") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 182 Queued\n"); } else if (status=="183") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 183 Session Progress\n"); } else if (status=="200") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 200 OK\n"); } else if (status=="202") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 202 Accepted\n"); } else if (status=="300") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 300 Multiple Choices $ct\n"); } else if (status=="301") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 301 Moved Permanently $ct\n"); } else if (status=="302") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 302 Moved Temporarily $ct\n"); } else if (status=="305") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 305 Use Proxy\n"); } else if (status=="380") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 380 Alternative Service\n"); } else if (status=="400") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 400 Bad Request\n"); } else if (status=="401") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 401 Unauthorized\n"); } else if (status=="402") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 402 Payment Required\n"); } else if (status=="403") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 403 Forbidden\n"); } else if (status=="404") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 404 Not Found\n"); } else if (status=="405") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 405 Method Not Allowed\n"); } else if (status=="406") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 406 Not Acceptable\n"); } else if (status=="407") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 407 Proxy Authentication Required\n"); } else if (status=="408") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 408 Request Timeout\n"); } else if (status=="409") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 409 Conflict\n"); } else if (status=="410") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 410 Gone\n"); } else if (status=="411") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 411 Length Required\n"); } else if (status=="412") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 412 Conditional Request Failed\n"); } else if (status=="413") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 413 Request Entity Too Large\n"); } else if (status=="414") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 414 Request-URI Too Long\n"); } else if (status=="415") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 415 Unsupported Media Type\n"); } else if (status=="416") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 416 Unsupported URI Scheme\n"); } else if (status=="420") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 420 Bad Extension\n"); } else if (status=="421") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 421 Extension Required\n"); } else if (status=="422") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 422 Session Interval Too Small\n"); } else if (status=="423") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 423 Interval Too Brief\n"); } else if (status=="429") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 429 Provide Referrer Identity\n"); } else if (status=="480") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 480 Temporarily Unavailable\n"); } else if (status=="481") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 481 Call Leg/Transaction Does Not Exist\n"); } else if (status=="482") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 482 Loop Detected\n"); } else if (status=="483") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 483 Too Many Hops\n"); } else if (status=="484") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 484 Address Incomplete\n"); } else if (status=="485") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 485 Ambiguous\n"); } else if (status=="486") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 486 Busy Here\n"); } else if (status=="487") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 487 Busy Here; Request Terminated\n"); } else if (status=="488") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 488 Not Acceptable Here\n"); } else if (status=="489") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 489 Bad Event\n"); } else if (status=="491") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 491 Request Pending\n"); } else if (status=="493") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 493 Undecipherable\n"); } else if (status=="494") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 494 Security Agreement Required\n"); } else if (status=="500") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 500 Server Internal Error\n"); } else if (status=="501") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 501 Not Implemented\n"); } else if (status=="502") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 502 Bad Gateway\n"); } else if (status=="503") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 503 Service Unavailable\n"); } else if (status=="504") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 504 Server Timeout\n"); } else if (status=="505") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 505 Version Not Supported\n"); } else if (status=="513") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 513 Message Too Large\n"); } else if (status=="580") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 580 Precondition Failure\n"); } else if (status=="600") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 600 Busy Everywhere\n"); } else if (status=="603") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 603 Decline\n"); } else if (status=="604") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 604 Does Not Exist Anywhere\n"); } else if (status=="606") { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status 606 Not Acceptable\n"); } else { xlog("L_NOTICE", "OPENSER_NAME: $mi $rm $fu -> $ru status not listed\n"); }; xlog("L_NOTICE", "OPENSER_NAME: $mi $mb\n"); return; }

2 1

[Serusers] jabber2foreign IM
by Allan Chao ( 策略性新技術開發處申請 ) 05 Feb '07

05 Feb '07

Dear All: I am a ser user, i want to use sip client that can commuicate with foreign IM client(msn), my flow is sip client -> ser(jabber module) (0.10 version) -> jabber server(has msn gateway) -> MSN network. but i did not see any function that can register to MSN server(just like jabber client browse transport in the jabber server and then register to MSN network) and there is no function or program using msn id and password. i doubt jabber module does not implement this part of program.Maybe there is another mathod can solve it. Does anyone can help me ? thanks. allan DISCLAIMER: Sample Disclaimer added in a VBScript.

2 1

[Users] Exec - environment variables - not found?
by Kjell Arild Frigstad 04 Feb '07

04 Feb '07

Hello! I have just upgraded from 1.0.0 til 1.1.1, and I having problem with exec_msg (the exec_msg working, but environment variabels is "not found".) It was OK in 1.0.0 version. The coding: exec_msg("echo SIP_SRCIP $SIP_SRCIP >>/var/log/messages"); At startup (with debuggging) : 0(0) fixing exec_msg, line 160 0(0) xl_parse_format: parsing [echo SIP_SRCIP $SIP_SRCIP >>/var/log/messages] 0(0) xl_lookup_spec_name: not found [SIP_SRCIP] 0(0) xl_parse_format: format parsed OK: [2] items Error message when running the command (with debugging) : 0(28888) xl_get_spec_value: error - null sp->itf 0(28888) exec:w_exec_msg: executing [echo SIP_SRCIP >>/var/log/messages] Error message when running in "normal" mode Feb 4 21:51:24 test /usr/local/sbin/openser[28947]: xl_get_spec_value: error - null sp->itf SIP_SRCIP As you see the text SIP_SRCIP is beeing displayd, but not the variabel. Any ide what can bee wrong? Best regards K.A.Frigstad

2 1

[Users] auth_radius extra attributes
by Cseke Tamas 03 Feb '07

03 Feb '07

Hello, can anybody tell me how can i send extra attributes to radius in authpacket, in acctpacket i can with radius_extra parameter, is there a way to use it in auth too? Thanks any help, Tamas

1 0

[Serusers] Problem with mysql.so on new server
by sip 03 Feb '07

03 Feb '07

So... I've had ser 0.9.6 running on RH EL3, and FC3 and 4. I'm building out a server on RH EL4 for SER, but I've run into a snag. I'm sure it's something simple, but it has me stumped at the moment. I've recompiled mysql.so on the new server... compiles fine (as do the rest of the modules). However, when I try to start up SER with mysql.so loaded, it gives me this: ERROR: load_module: could not open module </usr/local/lib/ser/modules/mysql.so>: /usr/local/lib/ser/modules/mysql.so: undefined symbol: log Undefined symbol: log Never seen this before. Anyone know what it means or, more importantly, how to fix it (and no... I'm not going to scrap it all and go with Ottendorf yet, so that's not a solution ;) )? N.

4 12

[Serusers] Which locking mechanism is useful for usrloc in production environment?
by Ramu Yadav 03 Feb '07

03 Feb '07

Hello, At present we are using "sys v semaphores"(USE_SYSV_SEM) for locking. But we see a some delay while acquiring the lock to modify the usrloc's location table. We are in a thought to use "posix semaphores" (USE_POSIX_SEM), will this improve any performance for usrloc location table. Thoughts and Ideas will be appreciated. -- Ramu Yadav

4 5

[Users] NEW FEATURE: better timers
by Bogdan-Andrei Iancu 02 Feb '07

02 Feb '07

Hi everybody, following to some discussions / requests from users, openser devel branch has now core support for timers will resolution less than a second. It uses time functions that can give a microsecond accuracy, but for performance reasons, the utimer (microtimer) uses a ticking period of 100 milliseconds. Of course, this can be changed at compile time. First "beneficiary" of this timer, is TM, to gain more accuracy for retransmissions: * retransmission timers use the the core utimer (with microsecond resolution), having 100 milliseconds intervals. * this will increase the retransmissions precision to an error of maximum 100 milliseconds. * T1 (first retransmission) is done at 500 milliseconds (instead of 1 sec), as the RFC3261 suggests. * T1 and T2 (see RFC3261) can be configured via module parameters - the inter-steps are automatically computed on startup based on the RFC3261 specifications. Along with increasing the timer accuracy, the TM timer lists were improved for faster operations: * faster timers lists - use shortcut pointers (based on timeout values) for faster walking through the list -> faster insert and expire * for elements to be deleted from the timer lists, do not overwrite the timeout value as this will trigger more processing when inserting new elements into the list The performance tests are not completed - I need more machines to stress the proxy :D -, but I will come back with results during the testing phase. regards, bogdan

1 0

[Users] removed avp_write(); avp_aliases moved in core
by Daniel-Constantin Mierla 02 Feb '07

02 Feb '07

Hello, two major changes were applied to avpops module in development branch (1.2.0): - avp_write() has been removed - same functionality is provided by assignment operator in routing blocks, together with latest commit of PV transformations - avp_aliases parameter has been removed from avpops module and introduced as core parameter. you can use it directly in core, in global parameters section in form of: avp_aliases="uuid=I:660;email=s:email_addr;fwd=i:753" The value is the same as it was for avpops parameter. Now the AVP aliases can be used directly in routing blocks. Cheers, Daniel

1 0

[Users] new feature: pseudo-variable transformations
by Daniel-Constantin Mierla 02 Feb '07

02 Feb '07

Hello, currently in CVS trunk of development version is a new feature 'transformations'. A transformations is basically a function that can be applied to a pseudo-variable (PV). In this way, the value of PV is not altered but the result is something different. They are intended to facilitate access to different attributes of PV (like strlen of value, parts of value, substrings) or complete different value of PV (encoded in hexa, md5 value, escape/unescape PV value for DB operations...). The format is '{id[,parameters]}' and they can be used inside parenthesis of pseudo-variables (note that even short name pseudo-variables must be enclosed in '(' and ')' to be able to apply transformations) For example: - $(ru{s.len}) - returns the lenth of R-URI - $(avp(i:3){s.md5}) - returns the md5 string over value of $avp(i:3) The following classes of transformations are implemented 1) string - the name of transformation starts with 's.'. Available transformations in this class: - {s.len} - returns strlen of PV value - {s.md5} - returs md5 over PV value - {s.substr,offset,length} - returns substring starting at offset having size of 'length'. If offset is negative, then it is counted from the end of PV value, -1 being the last char. In case of positive value, 0 is first char. Length must be positive, in case of 0, substring to the end of PV value is returned. offset and length can be PV as well. Example: "abcd"{s.substr,1,0} = "bcd" - {s.select,index,separator} - returns a field from PV value. The field is selected based on separator and index. The separator must be a character used to identify the fields. Index must be a integer value or a PV. If index is negative, the count of fields starts from end of PV value, -1 being last field. If index is positive, 0 is the first field. Example: "12,34,56"{s.select,1,,} = "34" ; "12,34,56"{s.select,-2,,} = "12" - {s.encode.hexa} - returns encoding in hexa of PV value - {s.decode.hexa} - returns decoding from hexa of PV value - {s.escape.common} - returns escaped string of PV value. Characters escaped are ''', '"', '\' and 0. Useful when doing DB queries (care should be taken for non latin character set) - {s.unescape.common} - returns unescaped string of PV value. Reverse of above transformation. 2) uri - the name of transformation starts with 'uri.'. The PV value is considered to be a SIP URI. This transformation returns parts of SIP URI (see struct sip_uri). Available transformations in this class: - {uri.user} - returns the user part - {uri.host} or {uri.domain} - returns the domain part - {uri.passwd} - returns the password - {uri.port} - returns the port - {uri.params} - returns the URI parameters in a string - {uri.param,name} - returns the value of parameter with name 'name' - {uri.headers} - returns URI headers - {uri.transport} - returns the value of transport parameter - {uri.ttl} - returns the value of ttl parameter - {uri.uparam} - returns the value of user parameter - {uri.maddr} - returns the value of maddr parameter - {uri.method} - returns the value of method parameter - {uri.lr} - returns the value of lr parameter - {uri.r2} - returns the value of r2 parameter 3) parameters list - the name of the transformation starts with 'param.'. The PV value is considered to be a string like "name1=value1;name2=value2;...". The transformations returns the value for a specific parameter, or the name of a parameter at a specific index. Available transformations in this class: - {param.value,name} - returns the value of parameter 'name' Example: "a=1;b=2;c=3"{param.value,c} = "3" - {param.name,index} - returns the name of parameter at position 'index'. Example: "a=1;b=2;c=3"{param.name,1} = "b" Within a PV, many transformation can be applied, being executed from left to right. Example: $var(x) = "a=1;b=22;c=333"; $(var(x){param.value,$(var(x){param.name,1})}{s.len}) = 2 - the length of the value of parameter at position 1 (remember 0 is first position, 1 is second position) The transformations can be used anywhere, being considered parts of PV -- in xlog, avpops or other modules' functions and parameters, in right side assignment expressions or in comparisons. Documentation page for transformations was opened at: http://openser.org/dokuwiki/doku.php/transformations:devel Feedback is welcome! Cheers, Daniel

1 0

[Serusers] meeting (was: Re: [Serdev] SER's core design features(process model/parser/lumps/script) - was: So who/what is SER for, anyway?
by Jiri Kuthan 02 Feb '07

02 Feb '07

We could use the IETF meeting in Prague in March. Actually, I have anticipated that and there is a hotel room reserved already :-) Could folks willing to show up and debate roadmap or whatever else appears important technically speak up now? -jiri At 12:08 25/01/2007, Olle E Johansson wrote: >As I am fighting the same issues and try to make chan_sip easier for >the administrator, would it be >a good idea with a joint Open Source SIP developer meeting somewhere >in Europe this spring? > >We have a lot of common issues, need to settle with the same >terminology and propably fight >the same fights with RFCs to implement... > >A lot of of users use both Asterisk and SER/OPENSER, so they need >interoperability. > >For my work on a new chan_sip, please check http://www.codename- pineapple.org > >/O >_______________________________________________ >Serdev mailing list >Serdev(a)lists.iptel.org >http://lists.iptel.org/mailman/listinfo/serdev -- Jiri Kuthan http://iptel.org/~jiri/

7 9

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