If you would like to see your phone SMS messages in Voxofon application direct you'd need to enable settings for that. Please follow the steps:
1. Login to your Voxofon account
2. Press "Menu" hard key and choose "Account and Settings"
3. Press on "Settings"
4. Navigate to "Show Phone SMS Texts" and check the option
Starting then you should be receiving all incoming phone SMS messages directly to your Voxofon account as well!