Hi Kumar,
The remote NAT traversal feature does not do topology hiding and tries
to change as few fields as possible to avoid breaking end-to-end
interop. sipXecs always Record-Routes dialog-forming invites. As such,
every in-dialog request such as they ACK has to be sent to sipXecs - not
the address in the contact. Once sipXecs receives these in-dialog
requests, it will make sure to send them to the intended recipient using
that recipient's public IP address and port.
cheers,
bob
________________________________
From: Kumar, Ashwin ISL (External:SC100:326)
Sent: Monday, October 19, 2009 3:45 PM
To: Joly, Robert (CAR:9D30); [email protected]
Subject: RE: [sipx-users] SIPX remote worker setup
Thanks for the reply. This helped me in setting up. However I
have one further question.
When the INVITE is sent from the remote worker and we get a 200
Ok, the contact address in the 200 OK would be the private network
address. So the ACK would ideally go to the private address. I believe
this should not be the case. So should this address also be natted?
Thanks
Ashwin
________________________________
From: Robert Joly [mailto:[email protected]]
Sent: Monday, October 19, 2009 6:45 PM
To: Ashwin Kumar; [email protected]
Subject: RE: [sipx-users] SIPX remote worker setup
You can indeed use your LAN as a way to simulate the 'public
Internet'. All you really need to test basic remote worker is a 2
NATs. 2 phones and an sipXecs.
Connect the WANs of the two NATs together by connecting them to
the same network (LAN, public internet, x-over cable). Put one phone
behind one NAT and put sipXecs behind the other and you are setup.
Follow the instructions in
http://sipx-wiki.calivia.com/index.php/Configuring_remote_workers_cheats
heet to find out how to configure sipXecs for remote workers.
cheers,
bob
________________________________
From: [email protected]
[mailto:[email protected]] On Behalf Of Kumar,
Ashwin ISL (External:SC100:326)
Sent: Friday, October 16, 2009 5:16 PM
To: '[email protected]'
Subject: Re: [sipx-users] SIPX remote worker setup
Hi,
I am trying to setup a remote worker in lab environment.
Can we use LAN as an option to test the remote worker?
__________ ______
_______________
| Router |_____________| LAN
|__________________________| Router | Server|
|__________| |______|
|_________|_(sipx)|
37.40.40.40 170.170.170.5
170.170.170.6 10.10.10.2
(End user (Public IP)
(Public IP) (Server in private)
Phone)
Does anyone have an ethereal trace for the remote worker
and the server?
Thanks
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