thank you Paul for guidance Regards Ranjit
On Tue, May 12, 2020 at 8:13 AM Paul Kyzivat <pkyzi...@alum.mit.edu> wrote: > Since this discussion seems to be specific to 3gpp use of SIP I suggest > you continue this discussion in some 3gpp-specific forum. > > On 5/11/20 7:50 PM, ankur bansal wrote: > > Hi Ranjit > > > > There is no clear specification saying UE should deregister when SIM is > > removed . > > But if refer multiple specs , we can reach a point where UE supposed to > do > > it . > > > > As per 3gpp 24.301 > > 5.5.2.1 General > > > > *The detach procedure with appropriate detach type shall be invoked by > the > > UE* if the UE is switched off, > > *the USIM cardis removed from the UE* or the EPS capability of the UE is > > disabled or the UE wishes to detach for non-EPS services > > > > As per FCM0.1 VoLTE Service Description and Implementation Guidelines > > > > 3.2.2 VoLTE UE Initiated Detach and IMS Deregistration > > 3.2.2.1 General > > *A VoLTE UE shall automatically deregister from IMS before performing an > > LTE Detach* > > > > > > Even we have seen use-cases where there are services linked with SIM ,and > > UE can do refresh registration removing those capabilities > > when SIM is removed . > > > > SIM swap anyway will be taken care if UE does IMS deregistration or > > refresh-registration while SIM is removed. > > > > Hope this helps. > > > > Regards > > Ankur Bansal > > > > > > On Sun, May 3, 2020 at 8:37 PM Ranjit Avasarala <ranjitka...@gmail.com> > > wrote: > > > >> Thank you Dale. as part of SIM swap testing, I came across the below > >> scenario: > >> the Phone number (MSISDN-1) was registered with IMSI (IMSI-1). when SIM > >> Swap occurred, the INVITE came with a different IMSI and CSCF sends > >> diameter SAR with "Unregistered user". But HSS thinks user is registered > >> and sends SAA with DIAMETER_UNABLE_TO_COMPLY error. CSCF translates > this > >> error to 500 Internal Server Error. > >> So is this the expected behavior? > >> > >> Regards > >> Ranjit > >> > >> On Sun, May 3, 2020 at 9:07 PM Dale R. Worley <wor...@ariadne.com> > wrote: > >> > >>> Ranjit Avasarala <ranjitka...@gmail.com> writes: > >>>> Does SIM swap procedure on a SIP UE trigger re-registration? if not > >> when > >>>> calls are made from the device, the INVITE would have the IMSI of the > >> new > >>>> SIM card? > >>> > >>> The answers aren't set by the SIP standards. However, given that the > >>> SIM gives the Directory Number of a PSTN telephone, I would expect that > >> if > >>> you change the SIM on a UE, the UE would register for the new DN. > >>> > >>> In SIP, the From address in an INVITE is not necessarily connected with > >>> any AOR that the UE registers for. But in a PSTN telephone, I would > >>> expect it to use the SIM's DN as the From URI. > >>> > >>> Dale > >>> > >> _______________________________________________ > >> Sip-implementors mailing list > >> Sip-implementors@lists.cs.columbia.edu > >> https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > >> > > _______________________________________________ > > Sip-implementors mailing list > > Sip-implementors@lists.cs.columbia.edu > > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > > > > _______________________________________________ > Sip-implementors mailing list > Sip-implementors@lists.cs.columbia.edu > https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
