Here's how SMS-by-Voice works…
1. Say and select the name of the contact or contacts you want to send the SMS message to
2. Speak your SMS message. You can then review, re-record or send it
3. Voice on the Go then converts your recorded message into text and sends it as SMS
What else can you do with Voice on the Go?
Check out these other cool features:
Email-by-Voice
Contacts-by-Voice
Calendar-by-Voice