3.2. MT Identifiers Collection Mode
In this mode, the system operates without any specific IMSI and IMEI filtering (key 3, Fig. 2.1, should be
released). The mobile terminals attempting to log into the internal network will be rejected, and their IMSI,
IMEI, TMSI will be registered in the Complex HLR base. This mode is recommended for collecting
parameters, as well as for further analyzing and filtering based on selected parameters.