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 s
Ranjit Avasarala 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 PS
Hello everyone,
I started looking into SIP over the past months because I find it quite
interesting protocol, and after I saw a talk from Olle Johansson. I have
went through various RFCs and technical documents and I have some questions
that might be naive, but due to lack of experience I need som
