[Asterisk-Users] NAT and SIP.conf update.

[razza]

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>>I have a standard BT home DSL, which means I cannot have a static IP
>>address, therefore i'm forced to use NAT, I subscribe to a DDNS
>service 
>>and have written a VB app which polls the router every 10 seconds and 
>>updates the DDNS if appropriate.

>There are ready applications to do that

Not that do it for my service provider (who is free) and poll my flavour
of router!

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>>I need to be able to modify my sip.conf (externip =
>>w.x.y.z) and reload sip, does anyone know of a script/app which does
an 
>>nslookup and modifies the conf file, then reloads sip?

>In case of server, you just set in sip.conf

>externip <my address as FQDN>
As far as I am aware if you use FQDN, this is resolved when asterisk is
started only?
I could be wrong! My DSL is up and down like you wouldn't believe at the
mo and 
Therefore the address is changing all the time after asterisk has been
started.
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