[Serdev] [Patch] Ability to check negative reply code in the failure_route

[Juha Heinanen]

Dan Pascu writes:

 > This implies that you know which of fr_timer or fr_inv_timer expired and 
 > generated the 408 when you hit failure route.

i don't see any problem there, because normally fr_inv_timer is set to
a rather large value (tens of seconds), whereas ft_timer can be set to a
small number of seconds before t_relay to pstn gw.

-- juha