On Wed, 2009-07-29 at 15:39 +0530, Krishna Rao Gurram wrote: > Hi, > Our call scenario involves the following exchange: > INV-> > <- 401 > ACK -> > INV With Credentials in Authorization header -> > > Please let us know if in this scenario, > Is it correct to use the same Request URI from the initial INVITE to > form the INVITE with credentials? > (or) > Is it correct to form the INVITE with credentials by creating a > Request URI from the dialog state (as mentioned in Section 12.2 of RFC > 3261)? If this is the case, the To URI / top most element from the > Record-Route header in the 401 response will be used as the Request > URI in the INVITE with credentials.
A 4xx response does not create a dialog, so the retry of the INVITE with credentials is a new request. It should however, use the same call-id and from tag that the first INVITE used (with a higher Cseq). _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
