Unless you use SIP ALG (Application Layer Gateway) like the module in netfilter to set the expectations? correct?<br>
<br>
Regards<br><br><div><span class="gmail_quote">On 2/14/06, <b class="gmail_sendername">Kevin P. Fleming</b> <<a href="mailto:kpfleming@digium.com">kpfleming@digium.com</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Wai Wu wrote:<br>>
If Asterisk is in the public network, it will work. The problem is when
Asterisk is behind NAT and one of the client is also behind the same
NAT.<br><br>No, it won't. If one of the clients is behind a NAT firewall, you cannot<br>tell that firewall to start accepting media directly from the other client.<br><br>In some situations it _may_ work, but it is not reliable.
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