Imsi

Validations ASN.1 Parent Types

The identifier which uniquely identifies the subscriber who has used the network and is liable for any charges that may be incurred.

Derivation:

GSM item servedIMSI (GSM 12.05).

Conditionality: 

Mandatory within group Chargeable Subscriber when MIN not present.

Must be present within group GSM Chargeable Subscriber when available.

Defined in TS GSM 03.03

Validations

Error Code

Context

Severity Level

Validation Description

10

 

20

 

200

Calls

 

Calls

 

Calls

Severe

 

Severe

 

Severe

Syntax error.

 

Value out of range.

 

First five characters are different from home operators MCC + MNC

 

ASN.1 Definition 

Imsi ::= [APPLICATION 129] BCDString --(SIZE(3..8))


Parent Types

GsmChargeableSubscriber
SimChargeableSubscriber
Text extracted from GSMA TD57 standard