I guess it depends on what is creating that tunnel and where NAT lives.
Your diagram (to me) shows your PBX behind pfSense and then going into some sort of Cisco device with a GRE tunnel between the Cisco devices. So, is the PBX traffic really NAT'd? Where does the Tunnel terminate? Your information is incomplete. I assumed (maybe wrongly) that your PBX was behind the pfSense box and NAT'd. Mike From: sipx-users-boun...@list.sipfoundry.org [mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Rhon Sent: Tuesday, May 18, 2010 1:01 AM To: sipx-users@list.sipfoundry.org Subject: Re: [sipx-users] No Voice/IVR on Site-to-Site I'm using IPSEC GRE and pfsense interfaces have private IPs. should I still need NAT for that matter? Thanks On Tue, May 18, 2010 at 3:03 AM, Picher, Michael <mpic...@cmctechgroup.com> wrote: It should be set to manual and yes. From: Rhon [mailto:c4rdi...@gmail.com] Sent: Monday, May 17, 2010 9:33 AM To: Picher, Michael; sipx-users@list.sipfoundry.org Subject: Re: [sipx-users] No Voice/IVR on Site-to-Site Hello Michael, I have the static NAT port set to NO on pfsense. Also, to I have to enable NAT traversal on sipx? Thanks On Mon, May 17, 2010 at 3:20 PM, Picher, Michael <mpic...@cmctechgroup.com> wrote: Static NAT port on the pfSense? From: sipx-users-boun...@list.sipfoundry.org [mailto:sipx-users-boun...@list.sipfoundry.org] On Behalf Of Rhon Sent: Monday, May 17, 2010 9:14 AM To: sipx-users@list.sipfoundry.org Subject: [sipx-users] No Voice/IVR on Site-to-Site Hi, I have a problem with our deployment with SipXecs 4.2 which was installed fresh using ISO build. We cannot hear anything on both sides but are able to connect and can ring the other end. Calling the IVR is ok but no audio as well. SITE A: 100 - 199 SITE B: 200 - 299 Everything passed using Configurations tests. Our networks are setup as seen below: SITE A SIPX --> PFSENSE --> CISCO --> |||| VIA GRE TUNNEL |||| <-- CISCO <-- PFSENSE <-- SIPX SITEB Any thoughts on what the problem could be? I have bypassed everything on the firewall at the moment. Thank you in advance. Rhon
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