Does a proxy change the From tag when forking a request or leave it the same.
On 6 Feb 2009, at 22:16, Neelakantan Balasubramanian wrote: > See inline. > >> -----Original Message----- >> From: [email protected] [mailto:sip- >> [email protected]] On Behalf Of Jerell >> Billings >> Sent: Friday, February 06, 2009 2:57 PM >> To: Dale Worley >> Cc: [email protected] >> Subject: Re: [Sip-implementors] Sip Forking >> >> So, from the (originating) UAC standpoint, if the proxy was very >> passive >> about this sort of thing, and it passed multiple responses back to >> the >> UAC >> (maybe two devices sent 180/183 messages , and another device sent >> 302), >> then the originating UAC would treat the 302 as a final response and >> CANCEL >> the other calls that it has seen activity from? >> Thanks. > [Neel] > > The proxy should do the CANCEL. Before proxy forwards the final > response (all 2XX, 3XX, 4XX, 5XX and 6XX are final response), it > should CANCEL all the forked INVITE. > >> >> On Fri, Feb 6, 2009 at 3:22 PM, Dale Worley <[email protected]> >> wrote: >> >>> On Fri, 2009-02-06 at 10:06 -0500, Jerell Billings wrote: >>>> If a request is forked by a proxy, and one of the recipients of the >>> request >>>> issues a redirect (302 user elsewhere), will that be handled by the >> proxy >>> or >>>> will it be passed on to the UAC who initiated the request. >>> >>> The proxy may choose whether to "recurse" (handle the Contacts >> itself), >>> or to send the 302 as a response to the request it received. It can >>> also handle some of the Contacts itself, delete them from the 302 >>> response, and send the reduced 302 as a response to the request it >>> received. >>> >>> Usually proxies act on 302 responses. >>> >>> Dale >>> >>> >>> >> _______________________________________________ >> Sip-implementors mailing list >> [email protected] >> https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > ______________________________________________________________________ > This email has been scanned by the MessageLabs Email Security System. > For more information please visit http://www.messagelabs.com/email > ______________________________________________________________________ Andrew Recommends you try OpenOffice.org - I'm Microsoft free, you too can be. _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
