NAT Negotiation SDK Enumerations
| NatMappingScheme | Common NAT port allocation schemes. |
| NatPromiscuity | The level of promiscuity (allowed traffic) for a NAT device. |
| NatType | NAT types based on RFC2663. |
| NegotiateError | Possible error values that can be returned when starting a negotiation. |
| NegotiateResult | Possible results of the negotiation. |
| NegotiateState | Possible states for the SDK. The two you will be notified for are ns_initack and ns_connectping. |