No matter where you stay or which smartphone you use, there is a one hundred percent chance of getting spam calls. Over the past few years, we get lots of robocalls and spam calls. No matter if you have turned on the Do Not Disturb service, you continue to receive spam calls. Fortunately, those using iPhones can silence such calls to stay productive or not waste time. With the help of the Silence Unknown Callers option, you can block spam calls or those calls from unknown callers. iOS uses Siri intelligence to block calls from phone numbers that aren’t in your contacts, mail, and messages. It is definitely a feature interesting to stay away from spam or unknown calls. For detailed guidelines on how to silence spam calls on iPhone, you shall check out the section below.
How To Silence Spam Calls on iPhone
To turn on the Silence Unknown Calls option, follow the instructions given below. Make sure your iPhone is running with iOS 14 and later.
1. Head to the Settings app.
2. Swipe your finger towards the top and select Phone.

3. Toggle on the slider next to Silence Unknown Callers on iOS 13. Those with iOS 14 should select Silence Unknown Callers and then toggle on the slider.
Important: Siri Suggestions will allow only the calls from your contact book, email, or messages. So, there is a high chance for you to miss when someone calls you from a new number. With this, you will end up missing the call. In other words, you will receive the call, but still, you will not be notified while the call is ringing.
Try This Way: How to Use Silence Junk Caller Feature to Block Spam Calls
If your iPhone has iOS 14, Silence Junk Callers feature will be turned on by default. You shall follow the steps given below to check the same.
1. Go to Settings and select Phone.
2. Choose Call Blocking & Identification.
3. Hit the toggle next to Silence Junk Callers.

With this, iPhone will block the spam or junk calls and not the unknown calls. So, you will still receive new calls from the person you know.
Related: How To Unsilence Calls on iPhone Easily [Complete Guide]
Bonus: How to Detect & Silence Spam Calls on iPhone
If the above method isn’t what you need, you shall go ahead with the below steps. We guide you set up an app to filter and detect the spam calls on the iPhone specifically.
Pre-Requisite: Download any spam call blocker app from the Apple App Store.
1. Open the Settings app on your iPhone.
2. Navigate to click the Phone option.
3. Now, select Call Blocking & Identification.
4. Tap the spam call blocker app under Allow These Apps To Block Calls And Provide Caller ID.
With this, iPhone will look for the caller’s number and compare if the number is available on the third-party spam app. When there is a match, it will label the caller as Spam or Telemarketing.
That was all the possible ways in which you can block spam callers from reaching you on your iPhone. For more related and useful articles, you shall stay tuned to our blog.