STRINGS is a SIM-based network monitoring solution. An OTA platform remotely installs a small applet on subscribers' SIM cards, and the applet reports real network events and measurements back to the operator.
Remote management of SIM cards and devices over SMS, GPRS, 3G and 4G.
Calls, SMS and USSD; cell changes; dropped calls; LTE-to-2G fallback; network rejections.
Out-of-coverage with exact location, data speed, access technology changes, time without signal.
RSRP, RSCP, Ec/No, RxLev, Timing Advance and more, sent as silent messages.
The operator chooses which events each applet registers, and turns each monitoring service on or off.
Applet subscribes to chosen events.
An event occurs on the network.
Applet gathers measurements.
Data travels by SMS to the back end.
Dashboards and reports.
Real subscriber-side network data without drive tests, for faster fixes and better customer experience.