Vendor: Atcom

ATCOM EX20 EX20B Sidecar Extension for AT640

Regular price $42.00 USD Sale price $42.00 USD Regular price $42.00 USD
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In stock: 2
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EX20 works with AT640 as extension module in which way the IP Phone could monitor extensions’ status.

  • Supports BLF, Speed Dail, DND, Directory, Redail, Call Transfer, Call Forward, Call History Details 
  • No need for extra power supply. Powered by AT-640 directly
  • 20 Keys for each EX20
  • Each AT640 can work with 2 EX20 max