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Friday, May 11, 2018

Top 5 Call Blocking Apps for Android - Free and Effective - YouTube
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Call blocking, also known as call block, call screening, or call rejection, allows a telephone subscriber to block incoming calls from specific telephone numbers. This feature may require an additional payment to the subscriber's telephone company or a third-party.

Call blocking is desired by individuals who wish to block unwanted phone calls. These generally include types of unsolicited calls from telemarketers and robocalls.


Video Call blocking



Landline

Unwanted calls to landlines may be blocked through a number of methods. Some landline phones have built-in call blocking facilities. External call blockers are sold as telephone accessories which plug into existing phones.

Call blockers and related services recently received attention in 2016 from publications including Which? and Consumer Reports in the United Kingdom and United States respectively. Such devices and services enable the user to block a call as it is in progress or alternatively block the number after the call is made. These devices rely on caller ID information and thus a phone blocker requires a caller ID service active on the line for blocking to function.

It may also be possible to use computer software, in conjunction with the caller ID information from the phone company and a caller ID enabled phone modem to block an incoming call.

Treatment of blocked calls may include:

  • Sending caller to voicemail
  • Sending caller to busy signal
  • Sending caller to "Number No Longer in Service"
  • Sending caller to "Keep Ringing"

Maps Call blocking



Cell phone

There are a multitude of third-party call blocking applications available for smart phones while some manufacturers provide built-in call blocking functions as standard.


Use Call Blocking
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See also

  • Caller ID blocking
  • Caller ID Spoofing

T-Mobile's spam call blocking is coming to MetroPCS - The Verge
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References

Source of article : Wikipedia