Description: Each instance of this replicated attribute describes an encapsulation method permitted for encapsulating the protocol data units (PDUs) of an upper layer protocol when communicating with the remote host identified by this Peer component. The index of a given replicated instance of this attribute represents the relative priority of the encapsulation method specified by the given attribute instance. An attribute with index '1' has the highest priority, so the encapsulation method described by it will be the first one attempted when signalling a call to the link. If the protocolEncType is set to IP to encapsulate IP traffic according to RFC1356, the callUserData for this Peer component and the X25Dte component must both be null, so that H.CC will be signalled as the call user data of the call request. This indicates that the protocol encapsulation type of IP is to be used for the channel. A call received from the link will be accepted as long as the encapsulation method indicated in the call user data of the incoming call packet is included in one of these replicated attributes. (This presupposes that the incoming call has been directed to the RemoteGroup to which this Peer is linked through the linkToRemoteGroup attribute.)