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APV-6B/APV-65/APV-66 (Avaya EHS Cable): How to Install

This procedure explains how to install the APV-6B/APV-65/APV-66 EHS cable, which is compatible with the following Avaya phone models:

  • 2420
  • 4610
  • 4610SW
  • 4620
  • 4620SW
  • 4621SW
  • 4622SW
  • 4625SW
  • 4630SW
  • 5420
  • 5610
  • 5620


Software Requirements

  • 24xx and 54xx phone models require firmware version 4.0 or greater.
  • 46xx and 56xx phone models require firmware version 1.8 or greater.

Special Notes

The headset port on some phone models may be on the side of the phone.

To Install the EHS Cable

  1. On your base, set your compatibility switch and speaking and listening volumes to the following:
    SettingCS50/CS55/CS70/CS70N/ CS351N/CS361N
    Cable APV-6B
    CS500 Series
    Cable APV-65 or APV-66
    Savi Office/700 Series
    Cable APV-65 or APV-66
    Speaking VolumeC33
    Listening Volume333
     Image of SettingsImage of SettingsImage of Settings
  2. Connect your EHS cable to your phone as follows:

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