1. Generally, this situation is because the other user has opened the communication assistant service, such as call secretary, message missing reminder and other related services; So when the called number is turned off and there is no signal coverage, the system will automatically broadcast such reminders.
Second, the other party blacklists you, so every time you call, you are transferred to the communication assistant. At this time, you can try to make a phone call with another mobile phone.
Third, the other party has set his mobile phone to do not disturb, that is, all incoming calls are transferred to the communication assistant. Tips: As the policies in different regions may be different, you can call the local Unicom customer service hotline for consultation.
Communication Assistant is a completely free missed letter reminder software, which can receive incoming call information or reminders when the signal is not good.
Extended data:
Communication Assistant is a communication software developed by Beijing Pocket Times Technology Co., Ltd. for Android phones, and it is the first completely free missing letter reminder software in China! Installing this client will make your cell phone or mobile phone signal bad.
Received missed call information or message! Never have to worry about missing words again. No more calls from beautiful appointments, close friends, important customers, etc! The communication assistant will remind you one by one. And you can listen to voice messages, set off-line color ring tones, and have many interesting and practical communication and counseling functions such as refusing to answer the phone and situational mode!
Baidu encyclopedia-communication assistant