Getting from a host on a public IP to a host on a private IP does not
necessarily require NAT, just a static route.
The sipXecs server could be at a public IP on a DMZ, and the phones
could be on a subnet with private addresses attached to that DMZ via a
router.
NAT may or may not be enabled at that router.
+----------+
| Internet |
+----------+
|
Firewall
|
+---DMZ----+
| sipXecs | Public IP Address
+----------+
|
Router (If the phones don't require Internet access, then NAT is not
required here)
|
+-Phone Subnet-+
| Phones | Private IP Addresses
+--------------+
Mike Burden
Lynk Systems, Inc
e-mail: m...@lynk.com
Phone: 616-532-4985
-----Original Message-----
From: Todd Hodgen [mailto:thod...@verizon.net]
Sent: Monday, December 07, 2009 4:35 PM
To: Burden, Mike; sipx-users@list.sipfoundry.org
Subject: RE: [sipx-users] How to set up a non-NAT'd sipXecs IP PBX
withoutgiving public addresses to the phones
If the Server is on a Public Address, and the phones are on NAT
addresses,
how would they get to server without going through a router to get onto
the
same network as the server? That is where your Nat will come in -
traversing the router. Seems the Server would need to know they are
NAT, as
it will be NAT coming to the server.
-----Original Message-----
From: sipx-users-boun...@list.sipfoundry.org
[mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Burden,
Mike
Sent: Monday, December 07, 2009 1:25 PM
To: sipx-users@list.sipfoundry.org
Subject: [sipx-users] How to set up a non-NAT'd sipXecs IP PBX without
giving public addresses to the phones
I asked this once before, but maybe not in precise terms...
Given that sipXecs cannot be dual-homed, if the sipXecs server is given
a public IP address, does it create issues to have the phones behind
NAT?
If so, then do the phones need non-NAT access to the ITSP, or just
non-NAT access to the sipXecs server?
Mike Burden
Lynk Systems, Inc
e-mail: m...@lynk.com
Phone: 616-532-4985
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