I just got FWD and ICH behind a Linux NAT firewall working. The funny thing is that I cannot get them to _both_ work at the same time. Its either one or the other.
The setup is using a local Sipura and the standard extension setup (ICH=6, FWD=7) as documented on some sample * configs. The firewall forwards 5060:5070 ports and the rtp port range udp/tcp to the * server.
I can use FWD (time service, echo server without problems when I add this to sip.conf:
; localnet=192.168.1.0 ; address space for local (natted) network localmask=255.255.255.0 ; netmask for local (natted) network externip=a.b.c.d ; for a.b.c.d I substitute the domain name of my router outside_addr=a.b.c.d; as above bindaddr=192.168.1.2 ; where 192.168.0.2 is the IP address of * ;
ICH however now responds with:
-- Got SIP response 481 "Call Leg/Transaction Does Not Exist" back from 213.137.73.140
If I leave the above section out, ICH works fine (i.e. outbound to my answering machine) but I do not hear anything from FWDs time service anymore.
Any suggestions? - I use asterisk compiled from todays CVS.
bye Andreas
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