The Ministry of Communication and Information Technology (Kominfo) together with cellular operators have conducted cellphone blocking trials Black Market (BM) based on number International Mobile Equipment Identity (IMEI) some time ago. According to Kominfo, there are two methods used in this trial.
The two methods of blocking BM cell phones are whitelist and blacklist. The choice of the two methods in this trial aims to find out which one is more effective for regulatory issues to eradicate illegal cellphones without making the public worry.
Then what is the method whitelist and blacklist? Put simply, all BM cell phone owners can still get a signal and enjoy cellular service for a few days after the device is turned on for the first time. When the IMEI of the device is identified as illegal by the system, the cellphone will receive a blocked notification and all telecommunication services, be it telephone, internet, or SMS, will be cut off.
Check Your IMEI Starting Now! https://t.co/g1OJiuIxVg
– Ministry of Communication and Information (@kemkominfo) February 11, 2020
For the method whitelist or preventive measures, for cellular telephone operator subscribers. In this scheme, mobile phones whose IMEI is not registered in the data base of the Ministry of Industry will be disabled from cellular services from the start. Only legal equipment, aka non-BM that can signal to receive telecommunications services.
On the other hand, mechanisms blacklist apply ‘normally on‘means that all BM and legal cell phone owners can still enjoy internet services after buying a cellphone or when it is turned on.
However, after the cellphone is activated and identified by the system in a few days, the cellphone with an illegal IMEI will be blocked immediately. The blocking covers all telecommunication services including internet access, SMS and telephone. As a result, these illegal devices are totally unable to operate like a legal cellphone.
For information, both whitelist and blacklist methods will retrieve IMEI data for all BM cellphones from the SIBINa system managed by the Ministry of Trade and the Ministry of Industry (Kemenperin).
Also read:
- Together with Telecommunication Operators, Kominfo Test BM Cellphone Blocking
- Get Ready, BM Smartphone will be Blocked on April 18th
Meanwhile, Kominfo will also use a tool called Equipment Identity Registration (EIR), which is equipped with data in the form of MSISDN (mobile subscriber integrated services digital network number), IMSI (International Mobile Subscriber Identity) and user identities stored by the mobile operator. Both systems are used by the government to carry out verification before blocking.
The EIR system is used so that the government can detect users accurately to avoid duplicate IMEIs. This double IMEI occurs due to the IMEI phenomenon zombies or IMEI cloning. This phenomenon causes one IMEI number to be active at the same time.
The government also revealed that blocking these illegal devices was not a mere advantage, but they gave priority to the Indonesian people in using cellphones that failed and resulted in multiple losses.
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