Call Master - True Caller ID & Call blocker on Windows Pc

Call Master is the best app to identify the calls you want to take and block the unknown , unwanted , scam and spam calls. 
Call Master is free, without any in-app purchases, and is incredibly easy to use. 
Call Master works like a mobile phone number tracker, number locator and caller number identification tool. We can identify unknown & spam calls, track phone number even identify unknown callers so as to find that who’s calling you. 

Call Master, which is also called call blocker, is based on a huge data base, we block numbers or unwanted calls from your calls blacklist record. There are several functions in the Call Master APP, through the Blocked logs, you can see that who had phoned to you,  and among them, how many spam and unwanted calls that Call Master helped you to block. Moreover, Call Master is the best free android caller app, from now on, you will have the most secure protection in your phone.

Call Master Key Function:
★ Logs:
-The call log shows your recent calls, like who called you, the missed calls and no answer calls. 
★ Contacts:
-The contacts show your contact of your phons, and you can make a call in an easy way.
★ Dialer:
-Make phone calls in the app directly, just like making a phone call on your phone.
★ Blocked logs:
-When you received unwanted, unknown, scam, spam numbers, you can mark them as block numbers, and Call Master will help you against them next time, which means you will never get spam and unwanted numbers in your phone. But you could find them in the logs if necessary.
★ Blacklist:
-Calls Blacklist - Block numbers, unwanted calls and spam calls, by adding them to calls blacklist so that when the numbers from this calls blacklist call you, we identify unknown callers, unknown numbers, unwanted calls and block numbers for you automatically.

Why should you choose Call Master?
-Call Master will immediately give you a detailed caller ID for an unknown number in popular countries.
-When you don’t know where to find your old friends, Call Master will help you search for their numbers.
-Call Master is the free effective protection to protect you against spam and unwanted numbers.

Download Call Master, makes it easy, effective to protect yourself form spam calls!
If you have any feedback when using Call Master, please send E-mail to us: callerappfeedback@gmail.com   

- Bug fixes

Allows read only access to phone state, including the phone number of the device, current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device.
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call.
Allows an application to read the user's call log.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.
Allows an application to receive the ACTION_BOOT_COMPLETED that is broadcast after the system finishes booting.
Allows an application to read the user's contacts data.
Allows an application to write the user's contacts data.
Allows an application to receive SMS messages.
Allows an application to monitor incoming MMS messages.
Allows an application to send SMS messages.
Allows access to the vibrator.
Allows applications to open network sockets.
Allows an application to read SMS messages.
Allows applications to access information about networks.
Allows applications to change network connectivity state.
Must be required by an NotificationListenerService, to ensure that only the system can bind to it.
Marker permission for applications that wish to access notification policy.
Allows using PowerManager WakeLocks to keep processor from sleeping or screen from dimming.
This constant was deprecated in API level 21. No longer enforced.
Allows an application to read from external storage.
Allows an application to write to external storage.
Allows applications to disable the keyguard if it is not secure.
Allows an application to read the low-level system log files.
This constant was deprecated in API level 8. The restartPackage(String] API is no longer supported.
This constant was deprecated in API level 9. This functionality will be removed in the future; please do not use. Allow an application to make its activities persistent.
Allows an application to receive WAP push messages.
Allows applications to access information about Wi-Fi networks.
Allows applications to change Wi-Fi connectivity state.
Allows an application to broadcast sticky intents.
Allows an app to access approximate location.
Allows access to the list of accounts in the Accounts Service.
Allows an application to record audio.
Allows an application to modify global audio settings.
Required to be able to access the camera device.
Allows an application to see the number being dialed during an outgoing call with the option to redirect the call to a different number or abort the call altogether.
Allows an application to write (but not read] the user's call log data.
Allows applications to access information about networks.
Allows applications to open network sockets.
Allows an application to write to external storage.
Allows an app to create windows using the type TYPE_APPLICATION_OVERLAY, shown on top of all other apps.