[Asterisk-Users] Dynamic DNS causes problems

[Matt Riddell]

Andrew Thompson wrote:
> Christoph Rothe wrote:
> 
>> Unfortunately not. I have the same problem and the same solution here. 
>> You really have to do a restart of asterisk. I think the reason that 
>> asterisk does not always lookup the IP Adress for the DDNS-Hostname is 
>> performance. But it would be nice if a sip reload could do so. Has 
>> anybody contacts to the developers ;-) ?
> 
> 
> Since not everyone uses DHCP, I expect not everyone will be interested 
> in this, but what about a small app specifically for checking for 
> changes in the DNS to IP lookup of specific(or any!?) hostname fields.
> 
> You could configure the app to run on your specified interval.
> 
> You could possibly tag somehow or name specific instances of the 
> hostname= fields you wanted to test.
> 
> 
> Note: I am behind a DHCP'ed connection and use dyndns myself. 
> Fortunately, my IP stays the same for very long periods of time, so it's 
> not been an issue, but I can definately see its use.
> 
> Further Note: Although I have self-studied BASIC, Pascal, C, Java, and 
> PHP, I don't really consider myself a programmer. I would attempt this 
> myself, but I know there are people who could have written an app in the 
> time it took me to write this message. If no one comes up with an easy 
> solution for the original poster, I'll take a look at it.
> 
The plan is to get the server who's IP address changes to register with 
the server that doesn't.

Then set host=dynamic as the hostname

That way, if your dyndns gets changed (i.e. you get disconnected from 
the internet), you can do a reload on the dyndns box and it will register.

I have this working with no problems here.

-- 
Cheers,

Matt Riddell
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