<p>Few notes:<br>
Some companies that provide VoIP solutions require that the box uses their router, so that you are in control of firewall.</p>
<p>To get the IP updated, the client should register. Perhaps you still want to have your bunker box, they register to you every 5 minutes or the like, and if they aren't available, you forward to mobiles.<br>
And have that machine do the internal routing, behind their nat.<br>
-Avi</p>
<div class="gmail_quote">On Dec 11, 2013 10:25 PM, "Sean P Devoy" <<a href="mailto:sdevoy@bizfocused.com">sdevoy@bizfocused.com</a>> wrote:<br type="attribution"><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="white" background="cid:image001.gif@01CEF682.C29AF680" lang="EN-US" link="#1F86FF" vlink="#005DC9"><img src="cid:image001.gif@01CEF682.C29AF680" width="0" height="0" style="width:0;min-height:0"><div><p class="MsoNormal">
<span style="color:#44546a">Hi All,<u></u><u></u></span></p><p class="MsoNormal"><span style="color:#44546a"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#44546a">I have had a moment of clarity and I think I need to rethink my business strategy with regard to FS for SMALL Businesses (less than 5 DIDs and 5 phones/extensions). To date I have attempted to HOST the customers phone services on a multitenant FS box “in a bunker”. This has led to <b>many </b>setbacks due to NAT issues on the CLIENT end with different router and phone hardware. Perhaps I have a self-imposed problem that could be easily rectified. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#44546a"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#44546a">My strategy has been to be sure the switch is always reachable and route to alternate phones or voicemail if the client site is unreachable. I had thought this would provide for the highest availability of inbound call handling. I now think installing a FS PC onsite maybe be far simpler provided that the VOIP provider can handle routing to a failover switch.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#44546a"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#44546a">So I am considering changing from: <FS> -- public IP -- <internet> -- <NAT Router> -- Nat’ed client phones <u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#44546a">to: <internet> -- <NAT Router> -- Nat’ed FS -- local lan – non-nat phones<u></u><u></u></span></p><p class="MsoNormal"><span style="color:#44546a"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="color:#44546a">I am looking for folks to talk about this configuration with FS NATed/Port Forwarded or FS dual home IP with a public IP and a nat ip. Many small businesses can’t provide a public IP. In fact most will occasionally have their public IP change without notice. Clearly the VOIP provider will have to be updated with the new address. Is there a slick way to handle that problem?<u></u><u></u></span></p>
<p class="MsoNormal"><span style="color:#44546a"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#44546a">How well has this configuration worked for other people?<u></u><u></u></span></p><p class="MsoNormal">
<span style="color:#44546a"><u></u> <u></u></span></p><p class="MsoNormal"><span style="color:#44546a">Thanks,<u></u><u></u></span></p><p class="MsoNormal"><span style="color:#44546a">Sean<u></u><u></u></span></p><p class="MsoNormal" style="text-indent:.5in">
<span style="color:#44546a"> <u></u><u></u></span></p></div>
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