Verizon Block Voip Calls Cell Phone
When there are too many mobile phone signal jammers, especially after multiple buildings in the prison area are shielded, it is difficult to turn on and off in a centralized manner; even if the power cord is arranged uniformly, a special person is required to be responsible for turning on and off on time; it is impossible to know Verizon Block Voip Calls Cell Phone The working status and failure of all mobile phone signal jammers: After all mobile phone signal jammers are turned on, managers cannot immediately know whether the cell phone jammer of which points are working normally; it is not energy-saving and environmentally friendly, and it is not conducive to equipment maintenance: generally, all mobile phone signal jammers will be kept in place for many years. The open state is not conducive to energy saving, environmental protection, equipment maintenance, and shortening the service life of equipment (such as factory areas, canteens, warehouses, etc. are unmanned at night, and there is no need to turn on the mobile phone jammers in these locations 24 hours a day. run);
It is impossible to control the timing switch accurately and arbitrarily or point-to-point; it is impossible to prevent the phenomenon of intentional damage Verizon Block Voip Calls Cell Phone : for the intentional damage of prisoners or prison guards, cutting off the power supply, etc., which affect the normal operation and use of mobile phone jammers, the management personnel cannot immediately determine and know; The process of artificially turning off the mobile phone signal jammer cannot be tracked and checked: the more sophisticated sabotage of prisoners or prison guards cannot be tracked and checked (for example: some prison guards cut off the power of the mobile phone signal jammer without supervision at night, and wait for the second time. Restore the normal power supply of the mobile phone jammer in the morning).