Quick presentation about a few small opensource Java applets developed for sysmoUSIM-SJS1
We've been for some time developing some open source (gplv3) applets for
the sysmoUSIM-SJS1 units. Still simple experiments, yet promising:
https://github.com/PodgroupConnectivity/sim-applet-apn-autoconf
https://github.com/PodgroupConnectivity/sim-applet-data-heartbeat
https://github.com/PodgroupConnectivity/sim-applet-sms-im-alive