Craig,
I tend to agree that it is something about the way the Snom's handle DNS - but just for Voxalot - they work for every other VSP I have tried - about 5 all up.
I just tried a Grandstream BT101 - a very basic phone (that I was just about to give away to a relative) and it is OK with au.voxalot.com
The Snom 190 has firmware 3.60x (last available - a couple of years old) and the Snom 300 has firmware 6.5.17 - the latest in the 6.x series, so that is span of a couple of years to sort out any DNS issues, so it must be a wierd combination of Snom DNS implementation and the voxalot DNS configuration.
I am happy to just continue using the IP address and leave the issue unresolved. The more I get into VoIp the more "strange" unexplained issues I come across !
Trevor
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