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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def startDtmf():
 """START DTMF Section 9.3.24"""

    a = TpPd(pd=0x3)
    b = MessageType(mesType=0x35)  # 00110101
    c = KeypadFacilityHdr(ieiKF=0x2C, eightBitKF=0x0)
    packet = a / b / c
    return packet