Friends Unicom, how is it displayed after being blacked out by it?

1. If the network operator doesn't provide such services for the time being, this function is generally supported by mobile phone function or downloaded third-party software.

2. For example, for an iPhone, select the number to be blacked out by setting-Information-Blacklist-Add. After setting, text messages and phone calls will be blocked.

3. After being blacked out, calling this number will generally prompt: the subscriber you dialed is busy.