I'm on les.net and have tried the default settings with only the quick voice setup. And I have also tried les.net's recommended settings for sipura/linksys.
I have tried with a NATed cable internet connection, as well as a non-NATed DSL connection (with the SPA122 negotiating the PPPoE) with a true internet IP on the WAN port.
The result is always the same...
Upon first registration, it's good and stays registered for the initial period. Then when it's supposed to re-register... it fails and counts down for 1200 seconds, then repeats the failure cycle, and sometimes there might be a registered cycle in there somewhere if I'm lucky, etc...
What version of firmware is the SPA122 running? The latest firmware is 1.0.2_006. If the SPA122 is on the latest firmware did you factory default the device after performing the firmware upgrade? If not, you may want to try that.
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