What does it mean that the user you dialed is busy? This is an issue that many netizens are paying attention to. Next, the PHP editor will introduce to you What does the user you are dialing mean?
1. The other party is on a call: Dial when the other party is on a call phone, the system will automatically prompt you that the number you dialed is busy.
2. The other party has set a blacklist and airplane mode: For example, the other party has set a blacklist for users or set the mobile phone to airplane mode, which will cause this situation to occur when you call the other party.
3. The other party’s mobile phone is turned off when there is no signal: If the other party’s mobile phone is turned off when there is no signal, you will also be prompted that the other party is busy when you make a call.
4. The other party's signal is not good and is not in the service area: When the other party's number is not in the service area due to signal reasons, the user will also be prompted that the phone is busy when making a call.
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