VMS Help DECnet-Plus, DCL Commands, SET, HOST, /X29, Qualifiers, /LOCAL_DTE=string  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /NOLOCAL_DTE

    (Default=/NOLOCAL_DTE)

    The digit string specifies the local DTE address to use  for  the
    outgoing  call.  This qualifier is not valid if you are using
    X.25 Access.