>> The Twilio Super SIM will send a Proactive Command NAA Initialization and >> Full File Change Notification to the terminal on the IMSI change. Some >> modems, like the Quectel BG95 or EC25 will send a URC if >> +QUSIM: 1 >> if it is a USIM and >> +QUSIM: 0 >> if it's a regular SIM >> no idea about other modems however. >>
> You mean the +QUSIM URC is sent to the host whenever the Full File > Change Notification is received by the terminal on the IMSI change? > i.e. no need to STK supported by the host in this case, right? >> I can arrange to get you a SIM for testing if needed as this is an area I'm >> interested in as well. I can also provide a SIMtrace2 pcap (or raw APDUs if >> preferred) capture of the communications between the terminal and the SIM if >> that would be helpful. >> > How do you instruct the SIM to switch IMSI? One way is mentioned here: https://www.twilio.com/docs/iot/supersim/super-sim-multi-imsi-applet#force-a-switch-to-the-next-imsi -- Aleksander