02-03-2017, 04:16 PM
Sometimes it often happens that a phone line is shared by several phones to pick up one of them to make a call that we find that the line is being used by another person, a fax or a modem. To avoid these problems and maintain a good character, it will be useful to place a device that tells us when the line is being used by another person or device.![[Image: indic-lin-tel.gif]](https://electronica-electronics.com/en/phone/Indicat-phone-line_files/indic-lin-tel.gif)
Electronic Simulation with Livewire
![[Image: sim-indic-lin-tel.gif]](https://electronica-electronics.com/en/phone/Indicat-phone-line_files/sim-indic-lin-tel.gif)
![[Image: indic-lin-tel.gif]](https://electronica-electronics.com/en/phone/Indicat-phone-line_files/indic-lin-tel.gif)
Electronic Simulation with Livewire
![[Image: sim-indic-lin-tel.gif]](https://electronica-electronics.com/en/phone/Indicat-phone-line_files/sim-indic-lin-tel.gif)
![[Image: sim-indic-lin-tel-2.gif]](https://electronica-electronics.com/en/phone/Indicat-phone-line_files/sim-indic-lin-tel-2.gif)