Certain Samsung smartphone models, such as the Galaxy S3, have the capability of blocking phone calls from unwanted numbers. There are a number of third-party apps for Android that give someone the ability to block private or unknown callers.
According to WonderHowTo, there are several ways to block either unknown callers or certain phone numbers on a Galaxy S3. In the Contacts app, there is a feature called "auto rejects list." The user can add any contact from her phone. This results in that person's calls going straight to voicemail. The auto reject settings are also accessed by going to Settings and choosing the Auto Reject Mode on many Samsung models, according to Radio Shack.
Several third-party Android apps, including Call Control, Call Blocker, Mr. Number, WhosCall and Calls Blacklist, give the user the ability to block phone calls from unknown sources.Learn More
There are several ways to block unwanted phone calls to a landline phone. Calling features can also be used to block incoming calls. If the problem is with telemarketing calls, a phone number can be added to the National Do-Not-Call Registry.Full Answer >
Different cell phone carriers have different methods of blocking unwanted texts or phone calls; Metro PCS has Metro Block for $1 a month and Verizon has a free feature called Block Calls and Messages. The owner of the cell phone will have to contact their cell phone carrier and sign up for the service wanted.Full Answer >
Calls to Android phones can be blocked using the free third-party application Mr. Number. Most smartphones have some sort of built-in blocking capability, but because feature sets and setup methods vary greatly from phone to phone, using a third-party app ensures familiarity no matter what phone you're using.Full Answer >
As of 2014, the most common way to block outgoing calls using AT&T is to dial *67 on your device plus the 10-digit phone number. To hide your number on all outgoing calls, check to see if your device contains the ability. AT&T can add or remove the service free of charge, and it can be set up within just a few minutes.Full Answer >