[Asterisk-Users] problem with pf and asterisk

[Frank Cases]

current setup

SIP phone 192.168.1.30 --> linksys wrt54g sveasoft -- INTERNET --
(xl0) Firewall (xl2:172.16.0.50)--> (em1:172.16.0.101) Asterisk


problem is RTP stream not oging trouhg from * to sip and vice versa.

#1 and asterusk  is pushing 192.168.1.30 back to linksys with 172 as
return address....
or 
#2 asterisk trying to get back to me as 192.168 on public internet..



got
canreinvite=yes and no.
nat=yes
qualify=1000

externaladdr=IP of (em1)
localnet=172.16.0.0/12



i would need help form someone who did a sismilar setup.. 

i do run carp and pfsync also on the FW. mirrored to FW2 down ATM...

anyhelp appreciated.. banging head on the wall for 2 weeks now..