See also:

Environmental conditions
Say the commands, numbers, and letters smoothly and with normal volume, emphasis, and speed. Always say commands in the language of the system. The language for the mobile phone voice ...

Having possible commands read aloud
You can have the available commands read out loud for you: ›Voice commands‹ For example, if the "Settings" menu is displayed, the commands for the settings are read out loud. ...

Reference
This chapter contains technical data, short commands for the voice activation system, and an index that will quickly take you to the information you need. ...