@Override
	public boolean equals(Object obj) {
		if (obj == null) {
			return false;
		}
		if (obj == this) {
			return true;
		}
		if (obj.getClass() != getClass()) {
			return false;
		}
		PhoneNumber otherPhoneNumber = (PhoneNumber) obj;
		return new EqualsBuilder().append(label, otherPhoneNumber.label).append(number, otherPhoneNumber.number).isEquals();
	}