[Serusers] Dynamic Invite Timer w/AVPOPS

Java Rockx javarockx at yahoo.com
Fri Dec 3 23:18:57 CET 2004


Marian,

Thanks for the patch - it fixed my dynamic timer problem.

Regards,
Paul

--- Marian Dumitru <marian.dumitru at voice-sistem.ro> wrote:

> Hi Paul,
> 
> The script looks ok. The problem is in other part; it took my some time 
> to trace it - there is a bug in TM in setting the "fr_inv_timer_avp" 
> parameter. Because of this, the AVP was not found and default value was 
> applied for timeout.
> 
> Please find attach a patch to fix the problem.
> 
> Best regards,
> Marian
> 
> Java Rockx wrote:
> > Thanks, however I must be doing something wrong because the avp_write() doesn't seem to have
> any
> > effect on the INVITE timer timeout.
> > 
> > My ser.cfg looks like this:
> > 
> > # ------------- tm parameters
> > modparam("tm", "fr_timer", 15)
> > modparam("tm", "fr_inv_timer", 22)
> > modparam("tm", "wt_timer", 5)
> > modparam("tm", "fr_inv_timer_avp", "inv_timeout")
> > 
> > route {
> > 
> >         # sanity checks, record route, alias lookup, etc, etc
> > 
> >         if (!lookup("location")) {
> > 
> >                 if (uri=~"^sip:[0-9]{10}@") {
> >                                                                                               
>    
> >              
> >                         # Send to PSTN Gateway
> >                         avp_write("45", "inv_timeout");
> >                         route(3);
> >                         break;
> >                 }
> >   
> >                 sl_send_reply("404", "User Not Found");
> >                 break;
> >         };
> > 
> >         # normal SIP->SIP routing with default fr_inv_timer
> >         # set to 22 seconds with mod_param() above
> >         route(2);
> > }
> > 
> > Shouldn't this do the trick?
> > 
> > Regards,
> > Paul
> > 
> > 
> > --- Marian Dumitru <marian.dumitru at voice-sistem.ro> wrote:
> > 
> > 
> >>Hi Paul,
> >>
> >>you can control final_response_timer and final_response_invite_timer via 
> >>  avps. Set in TM fr_inv_avp / fr_inv_timer_avp parameters with some AVP 
> >>string names and use AVPOPS to give values to these AVPS:
> >>
> >>modparam("tm","fr_inv_timer_avp","inv_timeout")
> >>
> >>....
> >>avp_write("20","inv_timeout"); # set timeout to 20 sec
> >>t_relay();
> >>.....
> >>
> >>Best regards,
> >>Marian
> >>
> >>Java Rockx wrote:
> >>
> >>>Hi All.
> >>>
> >>>I thought I read something a while ago about using avpops to dymanically change the INVITE
> >>
> >>timer -
> >>
> >>>but I can't seem to find that thread.
> >>>
> >>>Can anyone tell me if this is possible?
> >>>
> >>>I'd like to have a shorter INVITE timer for SIP->SIP calls and a longer INVITE timer for
> >>
> >>SIP->PSTN
> >>
> >>>calls. We see some 408 replies because a SIP phone is dialing a cell phone and get transfered
> >>
> >>to
> >>
> >>>the voicemail of the cell phone user, but to prevent the 408 due to a slow voicemail system
> we
> >>>have our INVITE timer currently set at 40 seconds which is rather annoying for SIP->SIP
> calls.
> >>>
> >>>I'm using -dev-21
> >>>
> >>>Regards,
> >>>Paul
> >>>
> >>>
> >>>		
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> >>>
> >>
> >>-- 
> >>Voice Sistem
> >>http://www.voice-sistem.ro
> >>
> > 
> > 
> > 
> > 
> > 		
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> 
> -- 
> Voice Sistem
> http://www.voice-sistem.ro
> > Index: modules/tm/t_funcs.c
> ===================================================================
> RCS file: /cvsroot/ser/sip_router/modules/tm/t_funcs.c,v
> retrieving revision 1.172
> diff -u -r1.172 t_funcs.c
> --- modules/tm/t_funcs.c	1 Nov 2004 14:09:08 -0000	1.172
> +++ modules/tm/t_funcs.c	3 Dec 2004 18:49:14 -0000
> @@ -340,7 +340,7 @@
>  	fr_inv_timer_avp.s = &fr_inv_timer_param;
>  
>  	fr_timer_param.len = strlen(fr_timer_param.s);
> -	fr_inv_timer_param.len = strlen(fr_timer_param.s);
> +	fr_inv_timer_param.len = strlen(fr_inv_timer_param.s);
>  }
>  
>  
> 



		
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