<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882" xmlns:m="http://schemas.microsoft.com/office/2004/12/omml" xmlns="http://www.w3.org/TR/REC-html40"><head><meta name="Microsoft Theme 2.00" content="Ice 011"><meta http-equiv=Content-Type content="text/html; charset=us-ascii"><meta name=Generator content="Microsoft Word 15 (filtered medium)"><style><!--
/* Font Definitions */
@font-face
        {font-family:"Cambria Math";
        panose-1:2 4 5 3 5 4 6 3 2 4;}
@font-face
        {font-family:Calibri;
        panose-1:2 15 5 2 2 2 4 3 2 4;}
@font-face
        {font-family:Verdana;
        panose-1:2 11 6 4 3 5 4 4 2 4;}
/* Style Definitions */
p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0in;
        margin-bottom:.0001pt;
        font-size:12.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;}
h1
        {mso-style-priority:9;
        mso-style-link:"Heading 1 Char";
        margin-top:12.0pt;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:0in;
        margin-bottom:.0001pt;
        page-break-after:avoid;
        font-size:16.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;}
h2
        {mso-style-priority:9;
        mso-style-link:"Heading 2 Char";
        margin-top:2.0pt;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:0in;
        margin-bottom:.0001pt;
        page-break-after:avoid;
        font-size:14.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;
        font-weight:normal;}
h3
        {mso-style-priority:9;
        mso-style-link:"Heading 3 Char";
        margin-top:2.0pt;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:0in;
        margin-bottom:.0001pt;
        page-break-after:avoid;
        font-size:13.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;
        font-weight:normal;}
h4
        {mso-style-priority:9;
        mso-style-link:"Heading 4 Char";
        margin-top:2.0pt;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:0in;
        margin-bottom:.0001pt;
        page-break-after:avoid;
        font-size:14.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;
        font-weight:normal;}
h5
        {mso-style-priority:9;
        mso-style-link:"Heading 5 Char";
        margin-top:2.0pt;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:0in;
        margin-bottom:.0001pt;
        page-break-after:avoid;
        font-size:13.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;
        font-weight:normal;}
h6
        {mso-style-priority:9;
        mso-style-link:"Heading 6 Char";
        margin-top:2.0pt;
        margin-right:0in;
        margin-bottom:0in;
        margin-left:0in;
        margin-bottom:.0001pt;
        page-break-after:avoid;
        font-size:11.0pt;
        font-family:"Verdana","sans-serif";
        color:#003572;
        font-weight:normal;}
a:link, span.MsoHyperlink
        {mso-style-priority:99;
        color:#1F86FF;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {mso-style-priority:99;
        color:#005DC9;
        text-decoration:underline;}
span.EmailStyle17
        {mso-style-type:personal-compose;
        font-family:"Verdana","sans-serif";
        color:#44546A;
        font-weight:normal;
        font-style:normal;
        text-decoration:none none;}
span.Heading1Char
        {mso-style-name:"Heading 1 Char";
        mso-style-priority:9;
        mso-style-link:"Heading 1";
        font-family:"Verdana","sans-serif";
        color:#003572;
        font-weight:bold;}
span.Heading2Char
        {mso-style-name:"Heading 2 Char";
        mso-style-priority:9;
        mso-style-link:"Heading 2";
        font-family:"Verdana","sans-serif";
        color:#003572;}
span.Heading3Char
        {mso-style-name:"Heading 3 Char";
        mso-style-priority:9;
        mso-style-link:"Heading 3";
        font-family:"Verdana","sans-serif";
        color:#003572;}
span.Heading4Char
        {mso-style-name:"Heading 4 Char";
        mso-style-priority:9;
        mso-style-link:"Heading 4";
        font-family:"Verdana","sans-serif";
        color:#003572;}
span.Heading5Char
        {mso-style-name:"Heading 5 Char";
        mso-style-priority:9;
        mso-style-link:"Heading 5";
        font-family:"Verdana","sans-serif";
        color:#003572;}
span.Heading6Char
        {mso-style-name:"Heading 6 Char";
        mso-style-priority:9;
        mso-style-link:"Heading 6";
        font-family:"Verdana","sans-serif";
        color:#003572;}
..MsoChpDefault
        {mso-style-type:export-only;
        font-family:"Calibri","sans-serif";}
@page WordSection1
        {size:8.5in 11.0in;
        margin:1.0in 1.0in 1.0in 1.0in;}
div.WordSection1
        {page:WordSection1;}
--></style><!--[if gte mso 9]><xml>
<o:shapedefaults v:ext="edit" spidmax="1026" />
</xml><![endif]--><!--[if gte mso 9]><xml>
<o:shapelayout v:ext="edit">
<o:idmap v:ext="edit" data="1" />
</o:shapelayout></xml><![endif]--></head><body bgcolor=white background="cid:image001.gif@01CEF682.C29AF680" lang=EN-US link="#1F86FF" vlink="#005DC9"><img src="cid:image001.gif@01CEF682.C29AF680" v:src="cid:image001.gif@01CEF682.C29AF680" v:shapes="_x0000_Mail" width=0 height=0 class=shape style='display:none;width:0;height:0'><!--[if gte mso 9]><xml>
<v:background id="_x0000_s1025" o:bwmode="white" o:targetscreensize="1024,768">
<v:fill src="cid:image001.gif@01CEF682.C29AF680" o:title="background_ice" type="frame" />
</v:background></xml><![endif]--><div class=WordSection1><p class=MsoNormal><span style='color:#44546A'>Hi All,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p>&nbsp;</o:p></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).&nbsp; To date I have attempted to HOST the customers phone services on a multitenant FS box &#8220;in a bunker&#8221;.&nbsp; This has led to <b>many </b>setbacks due to NAT issues on the CLIENT end with different router and phone hardware.&nbsp; Perhaps I have a self-imposed problem that could be easily rectified.&nbsp; <o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p>&nbsp;</o:p></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.&nbsp; I had thought this would provide for the highest availability of inbound call handling.&nbsp; I now think installing a FS PC onsite maybe be far simpler provided that the VOIP provider can handle routing to a failover switch.<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='color:#44546A'>So I am considering changing from:&nbsp;&nbsp; &lt;FS&gt; -- public IP -- &lt;internet&gt; -- &lt;NAT Router&gt; -- Nat&#8217;ed client phones &nbsp;<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'>to:&nbsp; &nbsp;&nbsp;&lt;internet&gt; -- &lt;NAT Router&gt; -- Nat&#8217;ed FS&nbsp; -- local lan &#8211; non-nat phones<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p>&nbsp;</o:p></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.&nbsp; Many small businesses can&#8217;t provide a public IP.&nbsp; In fact most will occasionally have their public IP change without notice.&nbsp; Clearly the VOIP provider will have to be updated with the new address.&nbsp; Is there a slick way to handle that problem?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='color:#44546A'>How well has this configuration worked for other people?<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='color:#44546A'>Thanks,<o:p></o:p></span></p><p class=MsoNormal><span style='color:#44546A'>Sean<o:p></o:p></span></p><p class=MsoNormal style='text-indent:.5in'><span style='color:#44546A'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <o:p></o:p></span></p></div>
<br /><br />
<hr style='border:none; color:#909090; background-color:#B0B0B0; height: 1px; width: 99%;' />
<table style='border-collapse:collapse;border:none;'>
        <tr>
                <td style='border:none;padding:0px 15px 0px 8px'>
                        <a href="http://www.avast.com/">
                                <img border=0 src="http://static.avast.com/emails/avast-mail-stamp.png" />
                        </a>
                </td>
                <td>
                        <p style='color:#3d4d5a; font-family:"Calibri","Verdana","Arial","Helvetica"; font-size:12pt;'>
                                This email is free from viruses and malware because <a href="http://www.avast.com/">avast! Antivirus</a> protection is active.
                        </p>
                </td>
        </tr>
</table>
<br />
</body></html>