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.

If the identification of the subscriber is with Network Access Identifier or the MSISDN in WLAN usage, this item must contain characters equal to the Home PMN’s MCC+MNC or the full IMSI if available.

If the recipient has not been allocated a MCC and MNC (e.g., is not a GSM operator), this field is defined bilaterally between sender and recipient.

Derivation:

GSM item servedIMSI (3GPP TS 32.005).

Conditionality: 

Mandatory within group Chargeable Subscriber when MIN not present.

Must be present within group GSM Chargeable Subscriber when available.

Must be present for WLAN usage when the IMSI is used for identifying the chargeable user.

Validations

Error Code	Context	Severity Level	Validation Description
10   20   200	Calls   Calls   Calls	Severe   Severe   Severe	Syntax error.   Value out of range.   First characters are different from home operators MCC + MNC, or not as bilaterally agreed (e.g., if the recipient has not been allocated a MCC and MNC).

 

GsmChargeableSubscriber ::= [APPLICATION 286] SEQUENCE
{
    imsi     Imsi   OPTIONAL,
    msisdn   Msisdn OPTIONAL
}

SimChargeableSubscriber ::= [APPLICATION 199] SEQUENCE
{
    imsi     Imsi   OPTIONAL, -- *m.m.
    msisdn   Msisdn OPTIONAL
}


Parent Types

GsmChargeableSubscriber
SimChargeableSubscriber
Text extracted from GSMA TD57 standard