Library /sys$common/syshlp/nclhelp.hlb show, x25 client (OpenVMS), Characteristics  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 o  incoming session template

    The session control template specified for an open/incoming
    connection at the end-user session control interface. This
    characteristic is an optional argument on the create command.

 o  maximum session connections

    Default: None                  Value: 1-65535

    Maximum number of session control connections supported by this
    module. This characteristic is an optional argument on the create
    command. You cannot modify this characteristic.

 o  version

    Default: Current version number

    Version number of the X.25 Gateway Access Protocol to which the
    implementation conforms. You cannot modify this characteristic.