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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>In users.conf there is an option canreinvite, should be
canreinvite=no if using NAT (info on canreinvite: http://www.voip-info.org/wiki-Asterisk+SIP+canreinvite)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Also for in the office my sip.conf has this – note externip,
localnet are needed for NAT but i got no sound in the office without them<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>[general]<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>;context = default<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>allowoverlap = no<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>bindport = 5060<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>bindaddr = 0.0.0.0<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>srvlookup = yes<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>externip = 123.123.432.123<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:"Courier New"'>localnet = 192.168.16.8/255.255.255.0<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:"Courier New"'>canreinvite=no</span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Can it be this?<o:p></o:p></span></p>
<p class=MsoNormal><span style='color:#1F497D'> </span><span
style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p>
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<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> asterisk-gui-bounces@lists.digium.com
[mailto:asterisk-gui-bounces@lists.digium.com] <b>On Behalf Of </b>Matt Sales<br>
<b>Sent:</b> 02 April 2009 02:00<br>
<b>To:</b> bob@assuredcomp.com; Asterisk GUI project discussion<br>
<b>Subject:</b> Re: [asterisk-gui] No sound<o:p></o:p></span></p>
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<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Bob, this sounds like a NAT
issue. When you're outside the office are the softphones behine a NAT
firewall? Is the Asterisk Server behine a NAT firewall?<o:p></o:p></p>
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<p class=MsoNormal>On Thu, Mar 26, 2009 at 6:42 PM, Bob Crandell <<a
href="mailto:bob@assuredcomp.com">bob@assuredcomp.com</a>> wrote:<o:p></o:p></p>
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<p class=MsoNormal>Hi guys,<br>
<br>
I've been testing softphones in Windows and SuSE. From outside the
office, I can make a call to a different extension and to an outside number but
neither the caller nor the callee can hear anything. I thought I was
being stupid until I bought a Grandstream GXP 2020 which wouldn't speak to me
either from outside the office. It does work inside the office. I
tested the softphone inside the office and it works too. Ok so it's the
firewall. I have port 5060 UDP and 10001-20000 UDP open and pointed to
the Asterisk box. What am I missing? I'm getting so close to being
able to go live with this thing.<br>
<br>
Thanks<o:p></o:p></p>
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<td style='padding:0cm 0cm 0cm 0cm'><pre>Bob Crandell<o:p></o:p></pre><pre>Assured Computing, Inc.<o:p></o:p></pre><pre><a
href="http://www.assuredcomp.com/" target="_blank">http://www.assuredcomp.com/</a><o:p></o:p></pre><pre>541-868-0331<o:p></o:p></pre><pre>ComputerBase<o:p></o:p></pre><pre><a
href="http://www.computerbaseusa.com/" target="_blank">http://www.computerbaseusa.com/</a><o:p></o:p></pre><pre>541-349-0404<o:p></o:p></pre></td>
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