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Matrix SIMADO GFX11 System Manual
International Mobile Equipment Identity (IMEI)
Just like mobile handsets, each GSM module has an IMEI (International Mobile Equipment Identity) number printed
on its GSM engine. International Mobile Equipment Identity number is a unique 15 or 17 digit code used to identify
an individual GSM module to a GSM network. When SIMADO GFX11 is switched on, the IMEI code is transmitted
and is verified in the network database called Equipment Identity Register (EIR).
The EIR consists of three lists: White list, Grey list and Black list.
•
The White list consists of equipment identities that are fully permitted to access and use the network.
•
The Black list contains all the equipment identities that are barred from using the network.
•
The Grey list contains those equipment identities that are not barred from using the network services but
are tracked by the network for evaluation purpose.
The Network will allow the GSM module to access the GSM network only if the IMEI code is registered in the White
list of EIR. This number is useful in case SIMADO GFX11 is lost or stolen. The network operator can block the IMEI
number of the GSM module installed in the system. Thus the important information stored in the system can be
protected from misuse.
•
The currently used Structure of IMEI number is as follows:
AA-BBBBBB-CCCCCC-D
Where,
AA is Reporting Body Identifier, indicating the GSMA approved group that allocated the Type Allocation
Code (TAC).
BBBBBB is the remainder of the TAC.
CCCCCC is serial sequence of the configuration.
D is Luhn check digit of the entire configuration or 0. (This is an algorithm that validates the ID number)
You can view the IMEI on the telephone connected to the FXS Port of SIMADO GFX11 irrespective of the
CLI type (DTMF/ V.23 FSK/ FSK Bellcore) set on the FXS Port.
How to check IMEI code
To check IMEI code of the GSM module, follow the steps given below:
•
Go Off-Hook.
•
Dial
#*-13
•
You will get confirmation tone.
•
Go On-Hook.
•
IMEI Code of the GSM module will be displayed on the LCD of your telephone.
For Example:
IMEI Code of the GSM module will be displayed as shown below:
•
Go Off-Hook again, you will get dial tone.
353451041494822
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