On Nov 25, 2005, at 7:00 PM, Manny A. Wise wrote:
-----Original Message-----
From: Tom Rymes [mailto:[EMAIL PROTECTED]
[snip]
On Nov 23, 2005, at 11:04 AM, Manny A. Wise wrote:
[snip]
Well, as the user stated on the original message, the asterisk
server is behind a NAT and the client is also behind a NAT..
if you make it work just by opening ports, let me know..I have
never been able to get it to work, that's why I don't use sip, just
plain iax2 for everything. J
Manny
Manny,
I have this working as I write this. (I just hung up the phone.) In
fact, I brought a Cisco 7940G to a completely unknown nat-ed network
the other day, plugged it in and started making calls right away.
Here's the setup I have for this specific configuration:
1.) Asterisk server behind NAT. (Setup as DMZ on Linksys WRT54G, but
it's still NAT. I just don't have to forward ports this way)
2.) externip, localnet, nat settings configured in the sip.conf file
(sip_nat.conf for [EMAIL PROTECTED])
3.) Cisco phone (or whatever SIP UA you choose) configured for NAT
(via the SIP<MAC>.cnf file for Cisco)
4.) Lather, rinse, repeat if necessary
Hopefully that will work for you. I'd rather use IAX and avoid these
problems altogether, but I have yet to find an IAX hardphone I am
willing to use. In fact, for softphone use, I do indeed use IAX via
LoudHush for the mac. (Great piece of software, BTW. No connection
here, just a happy user...)
Tom
Great!!, this did the trick, now we have audio...
We are using a Sipura 2000 for testing....
The Sipura now can call out and have audio...the only problem left
is that
the sipura can't receive calls, when the extension is dialed, the
recording
says, the person is on the phone.....any ideas???
I changed the externip=, localnet= and nat=yes in sip.com and in the
extension setup in amp nat=1...... missing anything????
THANKS!!!!!!!!!!!!!!!!
Manny
It sounds as if your extension isn't registered. Make sure that the
extension is configured as dynamic in sip.conf (or AMP) and as
nat=yes. Also, make sure that the Sipura is configured through its
web interface to register and it has the right user and password
entered. Once this is done, when you type 'sip show peers' from the
CLI your Sipura's extension should be listed, and show a 'D' and an
'N' for dynamic and nat.
Also, it sounds like you are using AMP and or [EMAIL PROTECTED], so make sure that
you put the nat, externip, and localnet parameters in the
sip_nat.conf file, *NOT* the sip.conf file, as that is likely to get
overwritten by AMP. From my installation (obviously, substitute your
external IP for the xxx.xxx.xxx.xxx below...):
[EMAIL PROTECTED] root]# cat /etc/asterisk/sip_nat.conf
nat=yes
externip=xxx.xxx.xxx.xxx
localnet=10.0.0.0/255.255.255.0
Other than that, I recommend further google and voip-info spelunking
expeditions to track down your problem. I think that voxilla.com also
has good resources on the Sipuras
Tom
--------------------
Tom Rymes
Cascade Link Systems
www.cascadelinksystems.com
(603) 375-1414
"Intelligent technology solutions for small businesses."
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