ไทย
An industrial telephone with indicator lights is a type of phone that is commonly used in manufacturing plants, power stations, and other industrial settings. The phone is designed to be durable and reliable, and it often has indicator lights that can provide useful information about the phone’s status.
The indicator lights on an industrial telephone may include:
Power On: This light indicates that the phone is receiving power and is ready to use.
Call In Progress: This light indicates that a call is in progress on the phone.
Incoming Call: This light flashes when there is an incoming call on the phone.
Ringing: This light indicates that the phone is ringing.
Mute: This light indicates that the phone is on mute and that the caller cannot hear the user.
Hold: This light indicates that the user has put the caller on hold.
Line Busy: This light indicates that the phone line is busy.
Having these indicator lights on an industrial telephone can be very useful in a noisy or busy environment, where it may be difficult to hear or pay attention to the phone. The lights can provide important information about the phone’s status, which can help the user to better manage their calls and communications.
