来尝试一种别样的通讯体验吧。Signal 不仅提供各种常见的功能，还尤为注重隐私安全。 If you've picked out to have to have admin approval before people today can be a part of a contact, you will see requests to affix the call which you'll approve or decline. You may also take away individuals from phone calls and optionally block them in the https://www-signal.com/