public void setCSeqNumber(int cSeqNumber) throws InvalidArgumentException { if (cSeqNumber <= 0)
public void setCSeqNumber(long cSeqNumber) throws InvalidArgumentException { if (cSeqNumber <= 0 || cSeqNumber > ((long)1)<<32 - 1)
	public void setCSeqNumber(int cSeqNumber) throws InvalidArgumentException {		if (cSeqNumber <= 0)			throw new InvalidArgumentException("Bad CSeq # " + cSeqNumber);		this.cSeqNumber = cSeqNumber;	}