Resolved: Voice Services System Update
The voice service update that was planned for August 6th, and 7th was postponed and has been rescheduled for August 7th beginning at 11:00PM through August 8th 3:00AM. During this time period, users will experience delays with both inbound and outbound phone calls.
More information: Resolved: Voice Services System Update
Story added 8. August 2013, content source with full text you can find at link above.