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The LPD100 allows two phones to share the same phone line.   When the Priority Phone goes off-hook, the LPD100 hangs-up the line for a couple of seconds to get rid of any existing call, and then gives the Priority Phone a new dial tone.  The Non-Priority Phone will be dead while the Priority Phone is in-use.  The LPD100 has a Dry Closure (low voltage, low current relay contacts) to allow you to set off a light, bell, siren or alarm to notify someone that the Priority Phone is being used.  No external power or batteries are required.


  • Elevator Phone
  • Emergency Phone
  • Public Pool Phone
  • ATM

How can we help?

Our helpline is always open to receive any inquiry or feedback. Please feel free to drop us an email from the form below and we will get back to you as soon as we can.

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