Expect a two hour outtage August 21.
SOE has announced that Station Voice will be undergoing maintenance early August 21:
Beginning at 4:00 a.m. Pacific Time on Tuesday, August 21, 2012, Vivox Operations will be performing maintenance. We expect this maintenance to take approximately 2 hours. During the maintenance there may be periods of time where the Station Voice Services are unavailable.
Here's our handy time zone conversion tool to help you plan.