Make sure you have the best driver for your phone. www.vzam.net/mek
If you still having issues just send them to your pix place. Make sure you have pix package.
My personal favorite method for this, as long as you're not doing many messages, is to send an MMS message to an email address.
Just like you're creating a normal PIX message, except instead of a phone number, you do an email address! This method is pretty effective if you're just looking to move a few at a time.