The capabilities for the uplink service is returned in the Capabilities element. Maximum number of uplink connections that can be configured. Uniform resource locator by which the remote client can be reached. ID of the certificate to be used for client authentication. Authorization level that will be assigned to the uplink connection. Current connection status (see tup:ConnectionStatus for possible values). List of configured uplinks. SConfiguration to be added or modified. Uniform resource locator of the configuration to be deleted. Returns the capabilities of the uplink service. A device supporting uplinks shall support this command to retrieve the configured uplink configurations. The Status field shall signal whether a connection is Offline, Connecting or Online. A device supporting uplinks shall support this command to add or modify an uplink configuration. The Status property of the UplinkConfiguration shall be ignored by the device. A device shall use the field RemoteAddress to decide whether to update an existing entry or create a new entry. A device supporting uplinks shall support this command to remove an uplink configuration.