Library /sys$common/syshlp/nclhelp.hlb set, routing, circuit, transmit_verifier  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Support: All
    Default: No verifier   Value: Hex-string, length 0-38

    Value to be transmitted for verifying the identity of this node.
    If no verifier is specified, no verifier is transmitted. This
    characteristic is supported only if the characteristic type is
    either ddcmp, hdlc, x25 static outgoing, x25 static incoming, or
    x25 permanent. You cannot display this characteristic.