Comments below. On Fri, 2005-01-28 at 08:18 +0800, Leo Ann Boon wrote: > > Kim Lux wrote: > > >I was expecting to have to port forward too and yet our setup doesn't > >require it, not on the laptop nor on the wireless router. > > > >I think as long as the SIP clients open a port on the NATing device and > >keep them open so the SIP provider can connect to it, all is well, even > >if STUN isn't used. > > > >I was surprised by how easy it was to NAT the Grandstreams. I had > >visions of having every device being assigned a static IP and having a > >fistful of port forwards assigned to them on the router. > > > > > You're connecting to a SIP provider or just Asterisk?
Just a provider right now. I'll tackle asterisk in a few days. > Most SIP provider > use a far-end NAT traversal device like Jasomi, Acmepacket or Kagoo. The > NAT traversal device has the intelligence to figure out the UDP port > mapping used by the NAT. SER + nathelper has the effect. I guess ignorance is bliss in this case. > For my SER > setup, most of the time we can just plug the SIP phone into a router and > it will work without any special config. Unfortunately, there're certain > firewalls like PIX and MS ISA that will fail. In those cases, your best > bet is to do port forwarding or use an outbound proxy. IIRC, Vonage also > has the same problem. Thanks for sharing this. It may help some poor soul trying to get his SIP device working in these situations. > _______________________________________________ > Asterisk-Users mailing list > Asterisk-Users@lists.digium.com > http://lists.digium.com/mailman/listinfo/asterisk-users > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users > -- Kim Lux, Diesel Research Inc. _______________________________________________ Asterisk-Users mailing list Asterisk-Users@lists.digium.com http://lists.digium.com/mailman/listinfo/asterisk-users To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
