Notify on retransmission from the client transaction side. The listener will get a
notification on retransmission when this flag is set. When set the client transaction
listener will get a Timeout.RETRANSMIT event on each retransmission.
flag -- the flag that indicates whether or not notification is desired.
Send a transaction timeout event to the application if Tx is still in Calling state in the
given time period ( in base timer interval count ) after sending request. The stack will
start a timer and alert the application if the client transaction does not transition out
of the Trying state by the given interval. This is a "one shot" alert.
count -- the number of base timer intervals after which an alert is issued.
Get the next hop that was computed by the routing layer.
when it sent out the request. This allows you to route requests
to the SAME destination if required ( for example if you get
an authentication challenge ).
Return true if this Ctx is a secure transport.