You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
sems/doc/dsm/examples/handle_cancel.dsm

21 lines
462 B

-- handle cancel correctly
-- by replying with 487
--
-- this is only necessary if run_invite_event=yes
-- and final reply to INVITE is delayed
-- so CANCEL can happen while call setup is proceeding
import(mod_dlg);
initial state BEGIN;
transition "inv got" BEGIN - invite / {
set($connect_session=0);
dlg.reply(101, Still Trying);
} -> WAIT;
transition "cancel" BEGIN - hangup / {
dlg.reply(487, canceled);
stop(false);
} -> END;
state WAIT;
state END;