<p>A dynamic DNS could be a solution. I once had a similar situation and I signed up with <a href="http://dyndns.com">dyndns.com</a>, got a domain name and used it for SIP registrations instead of IP addresses. My dlink router had the option to setup dynamic dns entry, i.e. set it up with the login info of <a href="http://dyndns.com">dyndns.com</a> or similar service, so whenever the IP changed, it updated it at <a href="http://dyndns.com">dyndns.com</a>.<br>
</p>
<p>Zeeshan A Zakaria</p>
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<p><blockquote type="cite">On 2010-06-04 4:58 AM, "Raimund Sacherer" <<a href="mailto:rs@runsolutions.com">rs@runsolutions.com</a>> wrote:<br><br>Hello,<br>
<br>
We have a scenario in which there are 2 sites, one in europe and one in mexico, they are connected via an IAX channel, problem is that the location in mexico has only a dynamic IP connection to the Internet.<br>
<br>
Because of the dynamic IP I can not create IP-Tables rules to only allow this connection from the outside. But I need to restrict calls because there was a break-in which called out.<br>
<br>
So, is it possible to restrict sip-accounts, which connect through an outside IP, to only be able to call to extensions and are not allowed to dial out?<br>
<br>
Are there other possible solutions I am not aware of?<br>
<br>
best regards<br>
Ray<br>
<br>
<br>
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RunSolutions<br>
Open Source It Consulting<br>
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Baleares<br>
<br>
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