Hi Austin, Have a look at the TM module docs. You will find the appropriate commands there.
HTH On Nov 3, 2011 3:01 AM, "Austin Einter" <austin.ein...@gmail.com> wrote: > Dear Andrew, Henning > Thanks for sharing very useful information. > I am bit new to kamailio, probably askingvery easy questions, please bear > with me. > > I am not sure if I am forwording the INVITE statelessly or not. > How do I check if INVITE is forwarded statelessly. > Andrew you have mentioned 'So make sure that a transaction exists or > create it > explicitly using the tm module". > > Not sure, how do I check if transaction exists or not. And how can I > create it. > > Please give me some pointers or a sample config file. > > Regards, > Austin > > > On Mon, Oct 31, 2011 at 4:37 PM, Andrew Pogrebennyk < > apogreben...@sipwise.com> wrote: > >> Austin, >> That is strange, because I am using similar setup successfully. Actually >> I don't know if it counts the calls that are being established, I didn't >> care for it. >> >> While looking through the docs: >> http://kamailio.org/docs/modules/3.1.x/modules_k/dialog.html#id2524304 >> the following note caught my eye: >> >> IMPORTANT: Users of this function should make sure that the dialog >> created is further processed statefully. Specifically, if a stateless >> response is sent out after dlg_manage() is called, the dialog cannot be >> handled properly. So make sure that a transaction exists or create it >> explicitly using the tm module. This is a shortcoming of the current >> implementation that may be resolved in a future version hopefully. >> >> Could it be that you are forwarding the INVITE statelessly? >> Regards, >> Andrew >> >> On 10/30/2011 01:08 PM, Austin Einter wrote: >> > Thanks Andrew >> > I added profile_with_value module parameter and with that I am able to >> > overcome this error. >> > >> > My code looks as below. >> > >> > dlg_manage(); >> > if (is_method("INVITE")) { >> > if (!has_totag()) { >> > #$var(SIZE) = 0; >> > get_profile_size("caller", "$fu", "$var(SIZE)"); >> > xlog("Number of calls present now is >> > $var(SIZE)\n"); >> > if( $var(SIZE) > MAX_NUMBER_OF_CALLS ) { >> > sl_send_reply("503", "Simultaneous calls >> > limit reached"); >> > xlog("Rejected calls with 503 >> > Simultaneous calls limit reached\n"); >> > exit; >> > } >> > else { >> > xlog("Allowed call. Looks max calls >> > limit not reached. Calls= $var(SIZE)\n"); >> > } >> > set_dlg_profile("caller","$fu"); >> > } >> > } >> > Whole purpose is to limit number of active calls at any point of time. >> > $var(SIZE) gives the number of calls are being established, but not the >> > number of calls are already established. >> > >> > So if I am making multiple calls at a point of time, it is blocking >> > call attempts beyond limit. But after all call setup complete, again >> > $var(SIZE) becomes zero and allows new calls. >> > >> > >> > Has anybody done this (limiting number of calls at any point of time). >> > If so can you please share the configuration file changes. >> > >> > >> > To get $var(SIZE) working properly, do I need to enable MySql, please >> > advice. >> > >> > Regards >> > Austin >> > >> >> >> _______________________________________________ >> SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list >> sr-users@lists.sip-router.org >> http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users >> > > > _______________________________________________ > SIP Express Router (SER) and Kamailio (OpenSER) - sr-users mailing list > sr-users@lists.sip-router.org > http://lists.sip-router.org/cgi-bin/mailman/listinfo/sr-users > >
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