System.ServiceModel 4.0.0.0 System.ServiceModel.Channels.ISession instances are provided by message security channels (which use WS-SecureConversation) and by TCP secure transport channels. Represents a kind of ISession that enforces the requirement that all messages exchanged on the session are between the same communicating parties that established the session. Property 4.0.0.0 System.ServiceModel.EndpointIdentity To be added. To be added. Gets the identity of the remote principal.