callOriginator

Validations ASN.1 Parent Types

The call originator applies only in respect of mobile terminated traffic.  It identifies the person making the call.  For SMS MT usage it identifies the SMSC delivering the SMS and, where available, the originator of the SMS.

Also, some networks may inhibit the transfer of this information where CLI presentation is prohibited.

Derivation:

GSM item CallingNumber (3GPP TS 32.005).  This item is of type AddressString.

Conditionality:

Must be present within group MT Basic Call Information where the network supports calling line identity (CLI) or if TeleService Code indicates SMS usage (values 20 or 21) and available from the network.

Validations

Error Code	Context	Severity Level	Validation Description
			Note:  Error Codes 30, 31, 32, 33 and 34 removed in TAP release 3.10 (01 May 2003). Note:  Error Code 35 removed in TAP release 3.11 (01 May 2005).

 

MtBasicCallInformation ::= [APPLICATION 153] SEQUENCE
{
    chargeableSubscriber        ChargeableSubscriber    OPTIONAL, -- *m.m.
    rapFileSequenceNumber       RapFileSequenceNumber   OPTIONAL,
    callOriginator              CallOriginator          OPTIONAL,
    originatingNetwork          OriginatingNetwork      OPTIONAL,
    callEventStartTimeStamp     CallEventStartTimeStamp OPTIONAL, -- *m.m.
    totalCallEventDuration      TotalCallEventDuration  OPTIONAL, -- *m.m.
    simToolkitIndicator         SimToolkitIndicator     OPTIONAL,
    causeForTerm                CauseForTerm            OPTIONAL
}


Parent Types

MtBasicCallInformation
Text extracted from GSMA TD57 standard