I have two Asterisk (Trixbox) PC's located in two seperate locations that are connected so that I can call extensions on Box B from Box A just by dialling the extension number on Box B. Box B extensions are formatted 2nn and Box A extensions are formatted 5nn. This works just fine until one or other of the ADSL routers needs to be restarted - then the system fails because the IP address has changed even though the dynamic DNS provider has been updated.
Whenever either ADSL router is rebooted, the new IP address is updated in the DDNS without any problems, but Asterisk (well Trixbox really) looses connection with the other device even though the "other" box is identified with the dynamic DNS name in the trunk definition.
The impression I get, is that Trixbox resolves the actual IP address for a trunk at Config Load time rather than when a connection is made.
Has anyone any experience joining two Asterisk boxes together in locations that use dynamic IP addressing and if so, how did you resolve this?
PS I connect the two boxes by creating an extension on Box A and a trunk on Box B that connects to the extension on Box A. I then duplicate that for the reverse connection. Sounds worse that it is but it works just fine.
Cheers Mike
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