How to find out if a phone number has been blacklisted? Let’s look at several working student database methods and signs of user blocking.
Signs of an emergency
If you can’t get through to a specific number fo r How to understand that several days, there may be different reasons: connection problems, problems on the subscriber’s side, and a blacklist. It is impossible to get information about a number being blocked from a mobile operator, but there are several common signs:
Instant number dropIf the call is dropped immediately during a call
(and this happens several times in a row), it is possible that the calls are blocked. Most often, this is the main sign that your number is on the blacklist.
Short beeps indicate that the user is talking to someone. But if they occur constantly, and the user tries to call during the day or several days, it is unlikely that the conversation is so long.
Long beeps. Another sign of a blacklist is regular long beeps. They sound like how to use telegram on pc the subscriber is simply not picking up the phone, but they can also indicate blocking. This is done so that the user does not guess that his number is on the blacklist.
Some phrases of the answering machine. For example, the message “Subscriber does not answer” may indicate that the number has been added to the blacklist.
Call from another SIM card
It is easy to check whether a number has been blacklisted. To do this, you need to How to understand that call the subscriber from another SIM card, for example, from a friend’s or family member’s phone. If you can get through from there, then you are blacklisted.
Call using the online service
Not everyone has a second SIM card at hand at the right time. Therefore, you can check the number blocking using online services for calls via the Internet. Many of them give free minutes (one or more), which is quite enough for a simple check. It is enough to find a suitable service on the Internet, enter the subscriber’s number and make a call.
Enable Caller ID Blocking
Many smartphones have a caller ID blocking feature — AON . It hides the cl lists user’s number, and the screen of the person he is calling will display the inscription “Unknown number”. This means that the blacklist will not work, and the call will reach the addressee. The AON function is activated through a mobile operator, but this is a paid service.