How to block" No Caller ID " call from my iPhone

Have a phone call often from No Caller ID , is there a way to block this caller?

Posted on Mar 28, 2014 4:12 PM

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Posted on Dec 17, 2014 6:53 AM

you can block all numbers not in your contact list by doing this:

  1. go to settings
  2. open "Do Not Disturb"
  3. slide on "Manual"
  4. tap on "Allow Calls From"
  5. Select "All Contacts"


All calls from numbers not on your contacts list will now be blocked. You can however still see all numbers that attempted to call you as missed calls. Verify the numbers and if legit, add them to your contacts list to receive any future calls from them.


Zimnerd.blogpost.com

210 replies

Oct 9, 2015 3:15 AM in response to Sid Schalk

Interesting that you chose a year old post to respond to. All ways of blocking on the phone have this problem. The ONLY way to truly block a number is to block it at the carrier's network, before it gets to the phone. Once it reaches the phone any blocking method will just ignore the call. Most carriers offer blocking at the network level, so in the situation you describe you should use the carrier's blocking capability.

Feb 24, 2017 1:34 PM in response to Minok

Minok wrote:


Having an option to auto-reject any incoming calls without at least a phone number would be a nice option to add to iOS.

It's really a bad idea. Most calls made anonymously are legitimate. For example, your doctor returning your call from her mobile (that she doesn't want to give out). Most spam calls are not sent anonymously; they are sent with forged phone numbers. Now, if there was a way to reject forged caller ID I'd vote for that, but it's not technically feasible (thanks to the wisdom of our legislators, who made it legal to create your own caller ID for outgoing calls). In a way there is, at least for VoIP calls; visit nomorobo.com for information.

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How to block" No Caller ID " call from my iPhone

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