The application is able to recognize the numbers associated with it for each contact in the address book (up to 5 associated numbers for each contact) and allows its choice through voice control.Call a contact from your address book by automatically entering 4146, stop the guide message after 3 sec. using your cars voice control or bluetooth.How does it work:Ask ok Google to open "forty-one forty-six" as soon as you hear the typical tone of voice recognition say the name of the contact in the address book exactly as stored, or say "call" and the name of the contact in the address book exactly as stored.Example I have a contact with Gatto Silvestro:1- say "ok Google open forty one forty six"2- after the tone say: - "Gatto Silvestro" or "Silvestro Gatto" say: - "call Gatto Silvestro", or "call Silvestro Gatto".To bring up the Google voice recognition window, just click the button with the microphone at the bottom right.CAUTION :If the contact is stored with name and surname, however with two names,You must NOT respect the order of the name as stored in the phone book,if you say: - "Silvestro Gatto" the contact IS RECOGNIZED.INSTEAD if the contact is stored with more than two names you MUST RESPECTthe order.Who is it for:For those with TIM TUO (it is a "Dual Billing" service for the user of Business mobile lines by subscription or rechargeable.)Information:For those who ask for the possibility of sending sms by prefixing 4146:The option "TIM YOUR MESSAGES" is provided for in their contract which for all SMS and MMS messages sent to numbers not belonging to the contract are automatically billed to the employee, without the need to prefix the code.