On Sat, Feb 28, 2009 at 9:53 AM, Gary <[email protected]> wrote: > I've been reading this forum for over the past 4 years and have gained a > wealth of knowledge. - Thanks to all! > > I don't post very often but I've just ran into a problem/condition that I > simply can't figure out. - Hopefully some kind soul will help me. > > I've got an Asterisk server in a lab environment on my home LAN. - The LAN > is "talking" to the Internet via a Linksys WRTG-54 router connected to my > cable-modem. - On the home LAN, I've also got a couple of Cisco phones > (7940's) and they work fine talking back and forth with each other via > Asterisk. > > In fact, I've also got a Broadvoice account with a 7960 logged in all the > time and it works fine. So I know SIP works through my router. > > On the router, I've turned on "DMZ" to point to my Asterisk box's static IP > address. > > My home (real world) IP address is static. > > The Problem: When I grab one of my Cisco 7940's and take it to my office, > it does not "see" or "register" with my home Asterisk server after I change > it's proxy to point to my home IP address. > > Any Ideas? - Is this a router issue (sure seems like it)? - Much thanks in > advance. > > Gary G. > > I suggest using port forwarding instead of DMZ. I have seen this issue before, where DMZ would not work. It is also more secure to just open the required ports.
Some more thoughts. Set externip in sip.conf. Set all phones to nat=yes, "it just works" whether the phone is NATed or not (and is more secure). Get on the Asterisk CLI and turn of sip debugging and post some output if you are still having problems. -- Thanks, Steve Totaro +18887771888 (Toll Free) +12409381212 (Cell)
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