Thanks a lot for your answer... though it is somehow nonsatisfying... René
2010/10/7 Worley, Dale R (Dale) <dwor...@avaya.com> > ________________________________________ > From: sipx-users-boun...@list.sipfoundry.org [ > sipx-users-boun...@list.sipfoundry.org] On Behalf Of Rene Pankratz [ > rene.pankratz.l...@iant.de] > > I have a dialplan rule with several gateways associated (a VoIP provider > and a patton ISDN gateway). > > Now, if I call someone who desn't answer or is busy I see that sipx calls > the callee twice. > > Even if the VoIP provider sends a 486 to sipx, sipx switches to the patton > gateway for a second try. > > Is there any response code that keeps sipx from trying the next gateway(s) > in the list? > ________________________________________ > > A 6xx response code is supposed to prevent any proxy from trying any > alternative destination. The problem with that is that further upstream > there may be alternative destinations that should be tried. (See > draft-worley-6xx-considered-harmful for more on those problems.) > Unfortunately, SIP has no good solution for the "alternative routing" > problem. (See the various versions of draft-worley-redundancy-response for > discussion of that problem.) > > Dale > _______________________________________________ > sipx-users mailing list > sipx-users@list.sipfoundry.org > List Archive: http://list.sipfoundry.org/archive/sipx-users/ > -- ------------------------------------------------------------------- Dipl.-Ing. (FH) René Pankratz IANT- APPLIED NGN-TECHNOLOGIES Schlüsselfertige VoIP-Lösungen und mehr... IANT GmbH Salzdahlumer Straße 46/48 D-38302 Wolfenbüttel Fon: +49/(0)5331/ 900989-450 Fax: +49/(0)5331/ 900989-499 Internet: www.iant.de Ust.-IdNr: DE264352710 HRB 201710, Amtsgericht Braunschweig Geschäftsführer: Prof. Dr.-Ing. Diederich Wermser, Dipl.-Ing. Jan Schumacher IANT is Member of GROUPLINK www.grouplink.de
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