SCOC: Handle IT message in active state
diff --git a/src/sccp_scoc.erl b/src/sccp_scoc.erl
index 9796cc9..07be510 100644
--- a/src/sccp_scoc.erl
+++ b/src/sccp_scoc.erl
@@ -404,6 +404,27 @@
{next_state, bothway_reset, LoopDat1, ?RESET_TIMER};
active(#primitive{subsystem = 'RCOC', gen_name = 'CONNECTION-MSG',
spec_name = indication,
+ parameters = #sccp_msg{msg_type = ?SCCP_MSGT_IT,
+ parameters = Params}}, LoopDat) ->
+ % Section 3.4 Inactivity control
+ SrcRef = proplists:get_value(src_local_ref, Params),
+ case LoopDat#state.remote_reference of
+ SrcRef ->
+ ClassOpt = proplists:get_value(protocol_class, Params),
+ case LoopDat#state.class of
+ ClassOpt ->
+ % FIXME: class3: discrepancy in seq/segm or credit -> reset
+ {next_state, active, LoopDat};
+ _ ->
+ % discrepancy in class -> release
+ disc_ind_stop_rel_3(LoopDat, ?SCCP_CAUSE_REL_INCONS_CONN_DAT)
+ end;
+ _ ->
+ % discrepancy in src ref -> release
+ disc_ind_stop_rel_3(LoopDat, ?SCCP_CAUSE_REL_INCONS_CONN_DAT)
+ end;
+active(#primitive{subsystem = 'RCOC', gen_name = 'CONNECTION-MSG',
+ spec_name = indication,
parameters = #sccp_msg{msg_type = ?SCCP_MSGT_RSC}}, LoopDat) ->
% discard received message
{next_state, active, LoopDat};