Daniel-Constantin Mierla writes:
t_on_reply("1"); - run onreply_route[1] with no locking (default, same syntax as now) for current transaction. t_on_reply("1", "0"); - run onreply_route[1] with no locking for current transaction. t_on_reply("1", "1"); - run onreply_route[1] under lock for current transaction.
fine, if t_on_reply("1") is equal to t_on_reply("1", "1"). this is very important for backwards compatibility and error prevention. t_on_reply("1", "0") is then for optimization purpose.
-- juha