imei

Validations ASN.1 Parent Types

The International Mobile Equipment Identity number.  The identifier which uniquely identifies the equipment used by the subscriber during the call.

Derivation:

GSM item IMEI (3GPP TS 32.005).

Conditionality:

Must be present within group Equipment Identifier where available.  Will not be present where the terminal equipment is not involved in the call e.g. in forwarded call cases or the mobile equipment is identified by an ESN.

Defined in 3GPP TS 23.003

Note that whilst the IMEI is 16 digits in length, the check digit is not currently transmitted on the “air interface”.

Validations

Error Code

Context

Severity Level

Validation Description

10

 

 

 

 

20

 

 

 

 

MOC

MTC

SS

GPRS

 

MOC

MTC

SS

GPRS

 

Warning

 

 

 

 

Warning

 

 

 

 

Syntax error.

 

 

 

 

Value out of range.

 

 

 

 

 

ASN.1 Definition (of containing types)

ImeiOrEsn ::= [APPLICATION 429] CHOICE 
{
    imei  Imei,
    esn   Esn
} 


Parent Types
ImeiOrEsn


Text extracted from GSMA TD57 standard