ASN.1 Definition

DateTime ::= SEQUENCE 
{
    localTimeStamp     LocalTimeStamp    OPTIONAL, -- *m.m.
    utcTimeOffsetCode  UtcTimeOffsetCode OPTIONAL -- *m.m.
}

Parent Types
BasicServiceUsed
ChargeDetail
ContentTransactionBasicInfo
GprsBasicCallInformation
LCSQosRequested
LocationServiceUsage
MoBasicCallInformation
MtBasicCallInformation
ScuTimeStamps
SupplServiceUsed

Text extracted from GSMA TD57 standard