Hi,
When NAT = YES, Asterisk server will extract IP from the network layer.
When Nat = No, the Asterisk server will respond to the IP in the SIP header. Am
I right?
May be such type of options can be helpful for SIP application developers.
Can't think of a scenario but If it is set to be YES for all peers, what will
happen is that the response to all the SIP request will be routed to the IP in
the network layer. IP's in the SIP header will be ignored, should not create a
problem.
Regards
--- On Sun, 4/24/11, Steve Totaro <stot...@asteriskhelpdesk.com> wrote:
From: Steve Totaro <stot...@asteriskhelpdesk.com>
Subject: Re: [asterisk-users] Nat=yes
To: "Asterisk Users Mailing List - Non-Commercial Discussion"
<asterisk-users@lists.digium.com>
Date: Sunday, April 24, 2011, 2:13 PM
On Thu, Apr 21, 2011 at 5:42 AM, Alexandru Oniciuc
<alexandru.onic...@trivenet.it> wrote:
Dear * users, in your opinion, when using a * as a public server, is good
practice enabling nat=yes in sip.conf for all the peers?
Can anyone imagine a scenario when enabling this parameter (even for peers that
don’t require it) can cause problems?
Regards and thanks in advance,Alex
I asked this same exact question several years ago. There are many replies
with different takes. I would skim through Alex's posts, there is really
nothing worth reading except it will break the SIP RFC handed down by the
internets themselves.
I use nat=yes all the time and it works just fine.
http://www.mail-archive.com/asterisk-users@lists.digium.com/msg213941.html
Nobody actually answered the question about the bad side, they just argued
about the SIP RFC.
Many others agreed to make it default behavior and that setting nat=yes gives a
an extra degree of security.
RFCs are great and all, but in the real world, phones just need to work.
Thanks,
Steve Totaro
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