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M3900 Key-based Add-on Module

by Nortel/Meridian (NTMN37BA70)

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$89.00 Sale Price:
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M3900 Key-based Add-on Module (NTMN37BA70)

The Nortel M3900 Key-based Add-on Module is a fully dedicated unit that is attached to a M3900 series phone. These module is built to supply phones with an additional 22 programmable buttons with busy lamp field indicators.


  • Adds on 22 buttons
  • Busy lamp field indicators
  • Two add-ons are supported per phone


  • M3900 series phones

Manufacturer Code

  • NTMN37BA70
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