@node Call
+@cindex call
+@vindex calls
@unnumbered Call configuration
Call is a rule when and how node can be called by @ref{nncp-caller}.
@table @emph
+@vindex cron
@item cron
@include cronexpr.texi
+@vindex nice
@item nice
Optional. Use that @ref{Niceness, niceness} during the call (255 is used
otherwise).
+@vindex xx
+@vindex rx
+@vindex tx
@item xx
Optional. Either @verb{|rx|} or @verb{|tx|}. Tells only to either to
receive or to transmit data during that call.
+@vindex addr
@item addr
Optional. Call only that address, instead of trying all from
@ref{CfgAddrs, @emph{addrs}} configuration option. It can be either key
Optional. Override @ref{CfgMaxOnlineTime, @emph{maxonlinetime}}
configuration option when calling.
+@vindex autotoss
@item autotoss, -doseen, -nofile, -nofreq, -noexec, -notrns
Optionally enable auto tossing: run tosser on node's spool every second
during the call. You can control either are @file{seen/} files must be
created, or skip any kind of packet processing.
+@vindex when-tx-exists
@item when-tx-exists
Call only if packets for sending exists. The check of outbound packets
existence is performed @strong{every} time we are going to make a call,
@emph{cron} configuration decides that it is time to make a call, with
@emph{when-tx-exists} option it checks packets existence first.
+@vindex nock
@anchor{CfgNoCK}
@item nock
NoCK (no-checksumming) tells not to do checksumming of received files,
that you have to make a call to remote node after checksumming is done,
to send notification about successful packet reception.
+@vindex mcd-ignore
@anchor{CfgMCDIgnore}
@item mcd-ignore
Ignore @ref{MCD} announcements: do not add MCD addresses for possible