We specialize in used & refurbished business phones for existing phone systems

PLEASE NOTE: All business telephones listed on this web site will operate only if connected to the appropriate phone system. They will not function as a stand-alone telephone.

AT&T Merlin 820 Phone System

+ Picture of AT&T Merlin 820 Phone System
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Temporarily Out of Stock

AT&T Merlin 820 Business Phone System

The AT&T Merlin Classic 820 business phone system comes equipped with 2 lines and 5 stations. Additional lines and stations can be added (2 X 5 cards) for a maximum of 8 lines and 20 stations. It is compatible with a Feature Package 2. Works with all Merlin Classic phones.

  • Allows up to 8 incoming lines and 20 telephone stations
  • Compatible with all Merlin phones
  • Features can be added on with a Feature Package 2* and/ Music on Hold cartridge
  • Allows 4 removable 2X5 modules that can be replaced if you experience static or not working ports on the system
  • Comes with power cord
  • Refurbished
  • *You cannot use both a Feature Package 1 and a Feature Package 2 at the same time.  They go in the top slot of the phone system.  For the 820 you need a FP 2, not a FP1.

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