NewMessageSwitch create new instance of MessageSwitch.

ErrNotHavingMessageSwitchServiceRecord indicate service record cannot be reach.

ErrNotSupportedOperation indicate service is not support given request.

MessageSwitch provide message switching services.

ServiceReference contains service identification and access keys.

ErrDestinationServiceIdentNotFound indicate given destination service ident reference to non-existed service.

ErrDestinationServiceIdentOutOfRange indicate given destination service ident not in the valid range.

ErrRelayLinksUnreachable indicate all relay providers in given service ident not reachable.

ErrSourceServiceIdentNotFound indicate given source service ident reference to non-existed service.

ErrSourceServiceIdentOutOfRange indicate given source service ident not in the valid range.