Thanks for your help.
I have been hesitating to change to us.voxalot or eu.voxalot.com since I read messages on the forum where people had problems with the unit after making the change in January and February:
http://forum.voxalot.com/showthread.php?p=4807#post4807
Are there any major advantages to changing to specific us or eu server other than shorter latency time?
Also, when I set register expires to 600, would there be any adverse effect, for instance, if the registration is not succesfull twice in a row I was reading somewhere on the forum that "VoXaLot is programmed to then retry every 2 mins for up to one hour, after which time the request is moved into "Failed" status." but I do not know if this applies to the registration situation or not?
Please help.