To use call waiting on a phone with multiple lines, you will need to follow these steps: Receive a call on one of the lines. If another call comes in on a different line, you will hear a notification tone. Press the "hold" or "flash" button to put the first caller on hold. Switch to the other line Hong Kong Phone Numbers List by pressing the appropriate line button or by dialing the line number. Answer the second call. To switch back to the first caller, press the appropriate line button or dial the line number. Press the "hold" or "flash" button to switch between calls. It's important to note that the specific steps for using call waiting on a phone with multiple lines may vary depending on the make and model of your phone.
Consult your phone's manual or contact the manufacturer for more information. Additionally, some phones with multiple lines may have a feature called "line select" or "line pickup" that allows you to answer an incoming call on a specific line without having to put the current call on hold. To use this feature, follow these steps: Wait for the notification tone indicating an incoming call on a specific line. Press the appropriate line button or dial the line number to answer the call. The current call will automatically be put on hold. To switch between calls, press the "hold" or "flash" button. It's important to note that not all phones with multiple lines may have the line select or line pickup feature.