Derrick, If it's truly global variables you want, have you tried shared memory variables or htable?
-- Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/ On Apr 13, 2011, at 11:58 AM, "Derrick Ding" <dd...@aastra.com> wrote: > Hi, Alex > > I tried, it doesn't work. > The real proxy is like a SIP-UA stateful entity. When A call B, then > call C. it's different dialog. My aim is to let Kamailio send back 491 > to A, if A&B is in sendrecv state and A send INVITE to C with sendrecv > before A hold B. > > I cannot keep the state of A&B when process A&C. And record-route > doesn't work either. It only works in a dialog. > > I hope Kamailio could add global variable for user to define and use. > > Sincerely, > Derrick > > -----Original Message----- > From: sr-users-boun...@lists.sip-router.org > [mailto:sr-users-boun...@lists.sip-router.org] On Behalf Of Alex > Balashov > Sent: Tuesday, April 12, 2011 2:00 PM > To: sr-users@lists.sip-router.org > Subject: Re: [SR-Users] Is there any globle variable/flag mechanism > inKamailio > > On 04/12/2011 01:54 PM, Derrick Ding wrote: > >> I wonder if there's any other mechanism that I can use to record the >> state and can be used as flag. > > That is because a stateful proxy is, by default, transaction-stateful. > A "call" is a dialog, which consists of several transactions. Proxies > are not, by default, dialog-stateful. It sounds like you're looking for > > something that can persist throughout the lifetime of a dialog. > > Fortunately, Kamailio does have a 'dialog' module that adds this > functionality. The doc page for the module is here: > > http://www.kamailio.org/docs/modules/3.1.x/modules_k/dialog.html > > If you set a dialog to be tracked using the 'dialog' module, you can use > > so-called dialog flags: > > > http://www.kamailio.org/docs/modules/3.1.x/modules_k/dialog.html#id29657 > 48 > > > http://www.kamailio.org/docs/modules/3.1.x/modules_k/dialog.html#id29658 > 08 > > These will be valid for the life of a dialog. > > Another option--which also has the effect of being dialog-persistent, > but does not involve use of the dialog module--is to stow something in a > > Record-Route header value, which I assume your proxy is adding: > > > http://www.kamailio.org/docs/modules/3.1.x/modules_k/rr.html#id2663290 > > http://www.kamailio.org/docs/modules/3.1.x/modules_k/rr.html#check-route > -param-id > > -- Alex > > -- > Alex Balashov - Principal > Evariste Systems LLC > 260 Peachtree Street NW > Suite 2200 > Atlanta, GA 30303 > Tel: +1-678-954-0670 > Fax: +1-404-961-1892 > Web: http://www.evaristesys.com/ > > _______________________________________________ > 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 _______________________________________________ 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
