Take out the router/firewall and connect directly to the net to test your NAT problem theory.
On Thu, Apr 22, 2010 at 12:15 PM, Jonas Kellens <[email protected]>wrote: > Jared, > > thank you for your answer. > > As I said in my previous mail, I'm using a Zyxel NBG-419 router (which > normally supports VoIP and QoS). Firewall is disabled on the Zyxel. > > The MV-374 only accepts IP-address, not a FQDN. Will give it another try > though... > > The answer from Portech-support : "use STUN". > > Even if the NAT rewrites the IP-address/port combination, why is it a > problem for the Portech and not for the IP-phones (Grandstream & Snom) ? > They all communicate on port 5060 --> 5064 (several SIP-accounts) > > > Jonas. > > > Jared Smith wrote: > > On Thu, 2010-04-22 at 17:45 +0200, Jonas Kellens wrote: > > > All goes well when the gateway is connected directly to the > internet... It's when it is behind NAT the 401 is sent from > Asterisk... > > > Is the device registering to an IP address, or do a DNS name? What type > of NAT firewall are you using? > > This reminds me of a problem I had years ago with a Cisco PIX firewall, > where it would rewrite IP addresses in the SIP Request URI, causing the > authentication to fail. One solution was to have it register to a > fully-qualified domain name instead of an IP address, so that the > Request URI wouldn't get overwritten. > > It's certainly worth a shot... > > -- > Jared Smith > Digium, Inc. > > > > > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users >
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