Event Monitoring Module for Nortel/Avaya 2600, 3900 and 7000 Series Digital Telephones, the 4100 Provides Notification of Ring, Message Waiting, In-Use and Provides Analog Audio Output for Recording or to Amplify Page.
Two Integrated Relay Outputs Are Compatible with Algo's Visual and Audible Alerters.
By Monitoring the TDM Signal at the Desktop rr Remotely, Accurate Real Time Detection of an Off-Hook State Is Assured Regardless of Headset, Handset or Hands-Free Status.
This part is discontinueby supplier with no suggested replacement.
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