[OpenSER-Users] CANCEL generated by openser after SIP/SDP Status: 200 OK

[Jan ONDREJ (SAL)]

Only one:

 2(13970) enum_query(3.0.9.4.4.2.9.5.2.1.2.4.e164.arpa.): order 100, pref 10, fl
en 1, flags 'u', slen 7, services 'E2U+sip', rlen 35, regexp '!^(\+421259244.*)$
!sip:\1 at uniba.sk!'
 2(13970) reg_replace(): pattern: '^(\+421259244.*)$', replacement: 'sip:\1 at unib
a.sk', string: '+421259244903'
 2(13970) enum_query(): resulted in replacement: 'sip:+421259244903 at uniba.sk'
 2(13970) rewrite_uri: Rewriting Request-URI with 'sip:+421259244903 at uniba.sk'
 2(13970) enum_query(3.0.9.4.4.2.9.5.2.1.2.4.e164.arpa.): order 100, pref 10, fl
en 1, flags 'u', slen 7, services 'sip+E2U', rlen 35, regexp '!^(\+421259244.*)$
!sip:\1 at uniba.sk!'
 2(13970) reg_replace(): pattern: '^(\+421259244.*)$', replacement: 'sip:\1 at unib
a.sk', string: '+421259244903'
 2(13970) enum_query(): resulted in replacement: 'sip:+421259244903 at uniba.sk'

		SAL

On Thu, Sep 13, 2007 at 03:19:53PM +0200, Klaus Darilion wrote:
> Hi!
> 
> I think if the ENUM module finds 2 NAPTRs with same order/preference it 
> automatically creates 2 branches. What ENUM number is it?
> 
> Jan ONDREJ (SAL) schrieb:
> >Hello,
> >
> >On Wed, Sep 12, 2007 at 05:32:15PM +0200, Klaus Darilion wrote:
> >>1. I have forgotten to tell you to use the "-W byline" switch too in
> >>ngrep (much more readable SIP logs)
> >
> >I can resend you new logs if needed.
> >
> >>2. Nevertheless, I have found the error: In the openser proxy your 
> >>create a second branch: Take a look at the logs - there are 2 INVITEs 
> >>sent from openser to ser - the only different in these INVITEs is the 
> >>branch parameter in the topmost Via header.
> >>
> >>The first is:
> >>branch=z9hG4bK41a.25464943.0
> >>the second is:
> >>branch=z9hG4bK41a.25464943.1
> >>
> >>Thus, openser does parallel forking. Then, when Grandstream answers the 
> >>second branch (branch=z9hG4bK41a.25464943.1) openser will CANCEL the 
> >>first branch.
> >
> >Right. There is no problem with CANCEL but with 2 INVITEs.
> >
> >I have this in my openser log:
> >
> > 2(13970) DEBUG: t_lookup_request: no transaction found
> > 2(13970) DBG: trans=0xb60d6e80, callback type 1, id 1 entered
> > 2(13970) DEBUG:dialog:build_new_dlg: new dialog on hash 2386
> > 2(13970) DBG: trans=0xb60d6e80, callback type 1, id 0 entered
> >
> >Is this a right place where the second fork is done?
> >
> >>Thus, you have either bug in your config or in your provisioning (maybe 
> >>you have the user twice in alias table or location table).
> >
> >Which command can create this second INVITE? What I need to find in my
> >config?
> >
> >This user is not local, it is found by ENUM. My ENUM configuration:
> >        if (uri=~"^sip:\+[0-9]+@") {
> >             if (enum_query("e164.arpa.")) {
> >                xlog("L_ERR", "ENUM[e164.arpa]: [$rm] from user $fu to 
> >                $ru\n");
> >                route(5);
> >                return;  
> >             };
> >             if (enum_query("e164.arpa.", "voice")) {
> >                route(5);
> >                return;  
> >             };
> >             if (enum_query("e164.bts.sk.")) {
> >                route(5);
> >                return;  
> >             };
> >        };
> >
> >
> >Thanks.
> >
> >		SAL