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
--------------------
Tom Rymes
Cascade Link Systems
www.cascadelinksystems.com
(603) 375-1414
"Intelligent technology solutions for small businesses."
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