[Serusers] Broken Calls not written to Database

Iqbal iqbal at gigo.co.uk
Tue Jul 12 19:06:15 CEST 2005


oh completely forgot to answer the question, if the user unplugs, then 
who will send the BYE, only the pstn gateway can, and most can (someone 
confirm) send a BYE if they receive nothing for a transaction for 30secs 
or so, hence ur billing might be out for 30secs.
However what i do for a "broken" call, is to complete it when I do my 
billing, by how much, well thats upto what mood I am in :-), but usually 
round it up to the next minute. This is not accurate, because the user 
may bypass this and not send a BYE but might have carried on his 
call...soooooo  get the CDR from the gateway, and for open calls, I am 
trying to match the cdr data with that in ser, which aint easy sinc ethe 
cdr have no username of them.

Again these are just methods to reduce/remove the inaccuracies, it wont 
be 100% but over time it will get close

Iqbal

Ozan Blotter wrote:

> Dear List,
>  
> I'm making a call to PSTN, it's okay i can talk with the other party 
> via ATA, but suddenly i unplug power from it, and in accounting module 
> it does not write line with BYE message so i cannot understand whether 
> the call is finished or not. only INVITE and ACK are written, no BYE :(
>  
> This may be a security hole for customers, because they talk for a 
> long time and they may unplug their units or cut power so it does not 
> tell SER it's over. How i can prevent this, also what i need to add as 
> a line for telling ACC module not to write calls from 833 to 833 into 
> database, which are free SIP2SIP calls ?
>  
> Btw, a Postpaid Billing System is on the way for OpenSER built in PHP, 
> later i will need OpenSER group's help to place it onto hosting site. 
> Shortly it will have features:
>  
> * Nothing extra from package, default MySql Database which comes with 
> OpenSER Release is being used,
> * All routing is done via OpenSER's ser.cfg ,
> * Initial Rate, Initial Time, Increment Rate, Increment Time will be 
> user variable ,
> * Account Creation/Deletion done in PHP ,
> * Invoice Generation and CDR will include many variables ,
> * Rating will be in PHP,
> * And everything is totaly free :)
>  
> If you have ideas and/or suggestion please write back to me so i can 
> work for it too.
> Reqs: OpenSER & PHP & MySql & Apache
>  
> Thanks,
> Ozan
>  
>
> debug=3
> fork=yes
> log_stderror=no
>  
> listen=212.XXX.104.XXX
> port=5060
> children=4
>  
> alias=212.XXX.104.XXX
>  
> dns=no
> rev_dns=no
>  
> fifo="/tmp/openser_fifo"
> fifo_db_url="mysql://openser:openserrw@localhost/openser"
>  
> loadmodule "/usr/local/lib/openser/modules/mysql.so"
> loadmodule "/usr/local/lib/openser/modules/sl.so"
> loadmodule "/usr/local/lib/openser/modules/tm.so"
> loadmodule "/usr/local/lib/openser/modules/rr.so"
> loadmodule "/usr/local/lib/openser/modules/maxfwd.so"
> loadmodule "/usr/local/lib/openser/modules/usrloc.so"
> loadmodule "/usr/local/lib/openser/modules/registrar.so"
> loadmodule "/usr/local/lib/openser/modules/auth.so"
> loadmodule "/usr/local/lib/openser/modules/auth_db.so"
> loadmodule "/usr/local/lib/openser/modules/uri.so"
> loadmodule "/usr/local/lib/openser/modules/uri_db.so"
> loadmodule "/usr/local/lib/openser/modules/mediaproxy.so"
> loadmodule "/usr/local/lib/openser/modules/nathelper.so"
> loadmodule "/usr/local/lib/openser/modules/textops.so"
> loadmodule "/usr/local/lib/openser/modules/domain.so"
> loadmodule "/usr/local/lib/openser/modules/acc.so"
>  
> #modparam("auth_db|uri_db|usrloc", "db_url", 
> "mysql://ser:heslo@localhost/ser")
> modparam("auth_db", "calculate_ha1", 1)
> modparam("auth_db", "password_column", "password")
> modparam("auth_db", "use_domain", 1)
>  
> modparam("domain", "db_mode", 1)
>  
> modparam("nathelper", "rtpproxy_disable", 1)
> modparam("nathelper", "natping_interval", 0)
>  
> modparam("mediaproxy","natping_interval", 30)
> modparam("mediaproxy","mediaproxy_socket", "/var/run/mediaproxy.sock")
> modparam("mediaproxy","sip_asymmetrics","/usr/local/etc/openser/sip-asymmetric-clients")
> modparam("mediaproxy","rtp_asymmetrics","/usr/local/etc/openser/rtp-asymmetric-clients")
>  
> modparam("usrloc", "db_mode", 2)
> modparam("usrloc", "use_domain", 1)
>  
> modparam("registrar", "default_expires", 60)
> modparam("registrar", "min_expires", 30)
> modparam("registrar", "nat_flag", 6)
> modparam("registrar", "use_domain", 1)
>  
> modparam("rr", "enable_full_lr", 1)
>  
> modparam("acc", "db_url", "mysql://openser:openserrw@localhost/openser")
> modparam("acc", "log_level", 1)
> modparam("acc", "log_flag", 1)
> modparam("acc", "db_flag", 1)
>  
> route {
>  
>         # 
> -----------------------------------------------------------------
>         # Sanity Check Section
>         # 
> -----------------------------------------------------------------
>         if (!mf_process_maxfwd_header("10")) {
>                 sl_send_reply("483", "Too Many Hops");
>                 break;
>         };
>  
>         if (msg:len > max_len) {
>                 sl_send_reply("513", "Message Overflow");
>                 break;
>         };
>  
>         # 
> -----------------------------------------------------------------
>         # Record Route Section and Acc section
>         # 
> -----------------------------------------------------------------
>         if (method=="INVITE" && client_nat_test("3")) {
>                 # INSERT YOUR IP ADDRESS HERE
>                 record_route_preset("212.XXX.104.XXX:5060;nat=yes");
>         } else if (method!="REGISTER") {
>                 record_route();
>                 setflag(1);
>         };
>  
>         # 
> -----------------------------------------------------------------
>         # Call Tear Down Section
>         # 
> -----------------------------------------------------------------
>         if (method=="BYE" || method=="CANCEL") {
>                 end_media_session();
>         };
>  
>         # 
> -----------------------------------------------------------------
>         # Loose Route Section
>         # 
> -----------------------------------------------------------------
>         if (loose_route()) {
>  
>                 if (has_totag() && (method=="INVITE" || method=="ACK")) {
>  
>                         if (client_nat_test("3") || 
> search("^Route:.*;nat=yes")) {
>                                 setflag(6);
>                                 use_media_proxy();
>                         };
>                 };
>  
>                 route(1);
>                 break;
>         };
>  
>         # 
> -----------------------------------------------------------------
>         # Call Type Processing Section
>         # 
> -----------------------------------------------------------------
>  
>         if (uri!=myself) {
>                 route(1);
>                 break;
>         };
>  
>         if (uri==myself) {
>  
>                 if (method=="CANCEL") {
>                         route(3);
>                         break;
>                 } else if (method=="INVITE") {
>                         route(3);
>                         break;
>                 } else  if (method=="REGISTER") {
>                         route(2);
>                         break;
>                 };
>  
>                 lookup("aliases");
>                 if (uri!=myself) {
>                         route(1);
>                         break;
>                 };
>  
>                 if (!lookup("location")) {
>                         sl_send_reply("404", "User Not Found");
>                         break;
>                 };
>         };
>  
>         route(1);
> }
>  
> route[1] {
>  
>         # 
> -----------------------------------------------------------------
>         # Default Message Handler
>         # 
> -----------------------------------------------------------------
>  
>         t_on_reply("1");
>  
>         if (!t_relay()) {
>  
>                 if (method=="INVITE" || method=="ACK") {
>                         end_media_session();
>                 };
>  
>                 sl_reply_error();
>         };
> }
>  
> route[2] {
>  
>         # 
> -----------------------------------------------------------------
>         # REGISTER Message Handler
>         # ----------------------------------------------------------------
>  
>         if (!search("^Contact:\ +\*") && client_nat_test("7")) {
>                 setflag(6);
>                 fix_nated_register();
>                 force_rport();
>         };
>  
>         sl_send_reply("100", "Trying");
>  
>         if (!www_authorize("","subscriber")) {
>                 www_challenge("","0");
>                 break;
>         };
>  
>         if (!check_to()) {
>                 sl_send_reply("401", "Unauthorized");
>                 break;
>         };
>  
>         consume_credentials();
>  
>         if (!save("location")) {
>                 sl_reply_error();
>         };
> }
>  
> route[3] {
>  
>         # 
> -----------------------------------------------------------------
>         # CANCEL and INVITE Message Handler
>         # 
> -----------------------------------------------------------------
>  
>         if (client_nat_test("3")) {
>                 setflag(7);
>                 force_rport();
>                 fix_nated_contact();
>         };
>  
>         lookup("aliases");
>         if (uri!=myself) {
>                 route(1);
>                 break;
>         };
>  
>         if (uri=~"^sip:0[0-9]*@*") {
>              rewritehost("212.XXX.59.XXX");
>              route(1);
>              break;
>         };
>  
>         if (!lookup("location")) {
>                 sl_send_reply("404", "User Not Found");
>                 break;
>         };
>  
>         if (method=="CANCEL") {
>                 route(1);
>                 break;
>         };
>  
>         if (!proxy_authorize("","subscriber")) {
>                 proxy_challenge("","0");
>                 break;
>         } else if (!check_from()) {
>                 sl_send_reply("403", "Use From=ID");
>                 break;
>         };
>  
>         consume_credentials();
>  
>         if (isflagset(6) || isflagset(7)) {
>                 use_media_proxy();
>         };
>  
>         route(1);
> }
>  
> onreply_route[1] {
>  
>         if ((isflagset(6) || isflagset(7)) && 
> (status=~"(180)|(183)|2[0-9][0-9]")) {
>  
>                 if (!search("^Content-Length:\ +0")) {
>                         use_media_proxy();
>                 };
>         };
>  
>         if (client_nat_test("1")) {
>                 fix_nated_contact();
>         };
> }
>
>------------------------------------------------------------------------
>
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>  
>




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