The Vista Caller-ID program integrates perfectly with the Windows Vista system to register and announce all voice telephone calls that are made. For this it uses your modem (data or voice) and caller ID service of your local telephone company to identify callers.These are some of the most important characteristics of Vista Caller-ID:* Total integration with Windows Vista, with spectacular graphic effects.* It informs you of who is calling before you answer.* It registers all calls, both received and made, noting the time and date, plus the number and ID of who called.