Re: [asterisk-users] SIP trought Firewall

Hi
 suffered that issue since I started that´s the course oif all of us newbies, noone is willing to help/and even answer, I don't even know if my messages are being read on this list cause not evena "google for it" i've received.

I'm now acroos the rive with that problem you're being the victim of an unconfigured sip_nat.conf, in thre you have to specify you public static ip or dynamic domain name, your internal lan like 192.168.1.0/255.255.255.0 and natt=yes restart asterisk and you're problem will be solved, here's my config, fell free to copy/paste it but remember to change the lines to suit you're setup.

nat=yes     ; key line
externip=my.dynamic.hot.tld    ; This is your addres
externrefresh=30 ; some refresh time, still don't know what it does :-P
localnet=192.168.1.0/255.255.255.0 ; this is the LAN setup, these are the adress range that you're DHCP NAT device is giving you.
qualify=yes ; I hope you're at least sneaked-peaked Asterisk TFOT and know what qualify mean.

Try this out and you'll be very happy that people outside your lan will hear you and you will hear them too.

Thanks for using Asterisk and though supporting OSS the good people that developed it.

On 10/1/07, Emiliano Vazquez < emilianovazquez@gmail.com> wrote:

Hi to everyone!

I have succerfully instaled my new Asterisk 1.4 on my debian etch.

I have my users in sip.conf like this:

[200]
type=peer
host=dynamic
context=home
secret=200
callerid= 200
dtmfmode=rfc2833
nat=yes
mailbox=200@home
disallow=all
allow=ulaw

I can make calls in my LAN but i can´t ear comunications with another client
trought Internet.
My Asterisk is in my LAN and i not have a DMZ. I search in the list and find
something about "rtp" ==> rtp.conf. I found rtpstart and rtpend and forward
those Ports on my firewall, but this don´t work for me.

What´s wrong???

If you need some info please tell me.

Thanks in advance!

Emiliano Vazquez.


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