But once a dialog is established between two parties, does a change in its PAID header has any significant for the other party?
With Regards, Jyoti On Thu, Mar 10, 2011 at 11:49 AM, Attila Sipos <[email protected]>wrote: > > I my experience it means that the identity of the connected party has > changed. > > say you have a SIP gateway to some non-SIP network. > If a transfer occurs inside the network then the SIP > endpoint could become connected to a different user. > > The SIP UA will update the P-Preferred-Identity > > from RFC 3325: > 9.2 The P-Preferred-Identity Header > > The P-Preferred-Identity header field is used from a user agent to a > trusted proxy to carry the identity the user sending the SIP message > wishes to be used for the P-Asserted-Header field value that the > trusted element will insert. > > LATER IN THE SAME SECTION... > It is worth noting that proxies can (and > will) remove this header field. > > > Then I think the proxy will remove P-Preferred-Identity and > replace it with a P-Asserted-Identity to propagate the new identity. > > > From RFC 3325: > 9.1 The P-Asserted-Identity Header > > The P-Asserted-Identity header field is used among trusted SIP > entities (typically intermediaries) to carry the identity of the user > sending a SIP message as it was verified by authentication. > > LATER IN THE SAME SECTION... > It is worth noting that proxies can (and > will) add and remove this header field. > > > regards > > Attila > > > > > > -----Original Message----- > From: [email protected] on behalf of Jyoti > Singhal > Sent: Thu 10/03/2011 05:29 > To: [email protected] > Subject: [Sip-implementors] Significance of different PAID header > inRe-INVITE > > Hi All, > > I need to know is there any significance of a modified PAID header in > Re-INVITE. > > With Regards, > Jyoti > _______________________________________________ > 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
