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If you have a caller ID, find your number and just pick up the microphone.
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Buy a programmable ** machine. It's the kind of main control phone of the group.
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1. If you press the callback key before adding the number 3, it may be that the quality of the callback key and the 3 key conductive rubber is not good, every time you press the callback key linkage to let the 3 word key trigger, especially when the 3 word key and the callback key are very close to each other, this possibility is very large, you can see whether the callback key is sunk to the key board is very deep, try to restore the key to the correct position, if not, only find a technician to repair;
2. The copper skin of the key board is damp, which makes the 3 key and the callback key short-circuit, and pressing one key is equivalent to pressing two keys. You can use a hair dryer to dehumidify the button board.
3. If you add a 3 in front of each automatic callback, that is, only press the callback button once, and after encountering a busy sound, the software will redial again, and each time you add a 3 more than the previous time, indicating that there is something wrong with the software. This one has to be repaired or replaced.
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<> can press the callback button to call back, or you can press the green call button to automatically call back the last one you have received.
Fixed**, referred to as fixed-line, commonly known as landline, refers to a fixed position without moving, different from mobile** (mobile phone), mostly used in enterprise units. Fixed telephone is one of the important means of communication in modern times, through the vibration of the sound of the microphone in the microphone modulation of the current and voltage on the line, that is, the sound into a voltage signal through the line to the other end, and then use the microphone to convert the voltage signal into a sound signal. Because it is usually fixed in one position, the academic name is fixed**, which is commonly referred to as **landline.
There are several kinds of this kind of **, such as: fax**, mother and child**, etc. The simple ** machine circuit includes the receiver and transmitter, power supply and line placed in A and B respectively, and these parts are connected in series.
In fact, the fixed ** should also include the ringing line, dial-up loop and caller ID and other functions, ** machine also needs to cooperate with the switch of the telecommunications bureau to complete the dialing work. Today's fixed ** does not need to be so troublesome, and the call only needs to directly lift the microphone to dial.
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Let's take Ericsson fixed ** as an example to show you.
1. First, click on the query in the fixed ** control interface.
2. Then click the fixed ** control interface to flip up or down to find the ** number just called.
3. Finally, click the hands-free button and click the callback button. In this way, the operation is completed, and the ** number that I just said was successfully dialed back.
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The method is as follows: when the first dialing fails or the connection is abnormally dropped, the system changes to the central system to enter the single-core Peishan redial interface, and click <>
Callback**. Medium cover.
If a single redial call fails, the system will enter the unlimited redial state, and the phone will repeatedly dial the other party'<>s number until it is connected.
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There can be many reasons why a landline number callback direct call ends, here are some possible reasons:
2.Poor signal: When the landline number is called back, the call may be interrupted due to poor signal coverage or insufficient signal strength.
3.Setup issues: There may be an issue with the desk phone's settings that are causing the call to end when you call back.
4.Overdue Payment: If the landline phone is in arrears, the call may be interrupted.
5.Device failure: The landline's equipment may malfunction, affecting the call quality and causing the call to end.
If this happens, you can try to call or contact your carrier again to resolve the issue.
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1. The mobile phone signal is not good, and dialing ** will appear as soon as you get through, and the hunger balance will be cut off, and the display will be over; Ride-on.
2. The other party's mobile phone has set up a "Do Not Disturb Mode", and the limbs are trapped in it;
3. Problems with your own mobile phone, and bad card contact will also occur in this situation.
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