[asterisk-users] SIP/RTP Nat problem, can't solute it.

[Bob Chiodini]

Isn't that what

externhost=sip.server.com.ar > my server name on the internet
localnet=192.168.5.0/255.255.0.0 > my LAN

is supposed to do?

Bob...

Rudolf Ladyzhenskii wrote:
> NAT changes address of the packet, but does not go inside of the SIP
> packet itself. And SIP packet contains address as well. If you look at
> debug output, you will see that SIP packets have remote host local
> address in them, not the public IP as one would expect. At least this
> is the problem I have.
> Basically one needs some software to "NAT" the addresses inside of SIP
> packets. STUN server is one alternative. I am about to put one in.
>
> Rudolf
>
> On 1/7/07, C F <shmaltz at gmail.com> wrote:
>> Change To canreinvite=no
>>
>> On 1/6/07, Facundo Barrera - GMail <facubarrera at gmail.com> wrote:
>> > Dear list:
>> >             I have the typical one way audio problem, as far as i know
>> > it's a nating problem, my hosts inside my lan can call to outside
>> > internet hosts, but can't listen a thing, i read a lot about sip and
>> > rtp and protocols and the problem it seems to be with NAT, this is the
>> > config i put on my sip.conf file about nat:
>> >
>> > externhost=sip.server.com.ar > my server name on the internet
>> > localnet=192.168.5.0/255.255.0.0 > my LAN
>> > nat=yes
>> > canreinvite=yes
>> >
>> > And this are the ports i opened on my firewall script
>> >
>> > iptables -A INPUT  -p udp -m udp --dport 8766:35000 -j ACCEPT
>> > iptables -A INPUT  -p udp -m udp --dport 5004:5082 -j ACCEPT
>> >
>> >
>> > But still can't hear a thing from an outside call, any hel will be
>> > appreciate
>> >
>> > Thanks a lot
>> >
>> > --
>> > _________________________
>> >    Facundo Agustin Barrera
>> >   --------------------------------------
>> >      www.openlabs.com.ar
>> > "Let the penguins do the work"
>> > ---------------------------------------------
>> >    Buenos Aires - Argentina
>> > _________________________
>> > _______________________________________________
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