case GtpPrime3gppConstants.GTP_PRIME_DATA_RECORD_TRANSFER_REQUEST:
tmp = decodeDataRecordTransfer(header,msg);
break;
case GtpPrime3gppConstants.GTP_PRIME_DATA_RECORD_TRANSFER_RESPONSE:
tmp = new GtpPrimeDataRecordTransferResponse(header,msg);
break;
default:
tmp = new GtpPrimeMessage();
break;