Emulex DCP_link - Manual (Page 116)

X.25 Configuration 7-23
10) In the Inbound Authentication Update field, accept the default value,
Enabled, or press <Enter> to select Disabled.
11) Press <Esc>; if prompted, select Yes to save your changes, then press
<Enter>.
The WAN Call Destination you just configured appears in the list of
configured WAN Call Destinations.
To configure another WAN Call Destination, repeat the above steps.
Press <Esc> until you return to the Internetworking Configuration menu to
configure Network Protocols and Bindings.