Try going into settings and set "This phone's number:" to the "Mobile" number.  It worked for me.
On Thursday, July 5, 2012 5:57:02 AM UTC-5, zimetmus wrote:

So far I've tried deleteing and reinstalling, dual confirmation ( don't go threre!) .  I can get the voicemail rollover to work, just can't use the one function I need - outgoing calls.