[Serusers] Setting tm module parameter "fr_inv_timer_avp" more than once during a call

[Juha Heinanen]

reticent writes:

 > To facilitate Call Forward No Answer, the fr_inv_timer_avp is used and
 > set to a value (say 12 seconds), after this timer hits a failure_block
 > is run, in this failure block i rewrite the destination and check if
 > this destination is a PSTN number.  If it is than I would like to change
 > the fr_inv_timer_avp parameter to somthing higher due to the nature of
 > PSTN termination but it does not seem to have any effect.

lcr module is setting fr_inv_timer_avp to different values and last time
when i tested, it worked.

-- juha