2G SMS Sender GSM - is a miniature intelligent base station (BTS) operating according to the GSM standard and is designed for testing of mobile phones (mobile stations MS) and amplifier of output stage of base stations (BTS).
BTS technology allows us to analyze configuration of real network, and then organize their own cell, which is perceived by mobile phones as a normal base station. MS that are within the range of BTS is registered according to the standard GSM.
SMS Sender GSM supports 3 modes of operation:
1. Lock - blocking all GSM-subscribers except allowed (white list). Blocking is carried out secretly for themselves subscribers, ie in blocking does not occur any changes to the display of the mobile Appa-rata (net loss, change of operator, network failure, etc.). This mode is designed to validate the cell selection and registration in the mobile station-mi.
2. Informant - sending SMS-messages given content to all MS, except those that are in the white list. This mode is intended to test a subsystem receiving short messages to the mobile station.
3. Unregistrator - blocking all GSM-subscribers except allowed (white list). Blocking feature is that even when the subscriber is out out of range of the device, it will not be able to use any service (calls, SMS, etc.) Provided by your service provider, up to the moment of complete reboot your machine GSM-(or, in the particular case, GSM-module unit). This mode is designed for controlled-validation of the mobile station to the base station commands.