The blocking function restricts sending out SIP requests outside an existing dialog from your network to an opposite network, but does not restrict sending in-dialog requests to the opposite network. Incoming SIP requests are not restricted, and test calls are sent to the opposite network even when the blocking state is OUTGOING. Use this command to block incoming /outgoing calls based on the selected direction. Unless annotated otherwise, the parameter values in this section apply to the SBC Core. Parameter Description The Block Direction options include:Zone Block Direction
Command Syntax
% set addressContext <adddress context name> zone <zone name> ipPeer <ippeer name> blockDirection <bothways | incoming | none | outgoing>
Command Parameters
blockDirection
bothways
– This trunk group blocks calls in both directions.incoming
– Calls inbound to this trunk group are blocked.none
(default) – No calls are blocked by this trunk group.outgoing
– Calls outbound from this trunk group are blocked.