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
Price Each:

Temporarily Out of Stock

We are no longer going to carry the Merlin 820 Phone System, due to their high failure rate.  We are carrying the Merlin Plus system which will allow you to keep your existing Merlin phones and wiring.  This system can be configured either four lines and ten phones or eight lines and up to twenty phones.  The system shown is for 4x10 for $249.99.  If you would like to add on more line and station cards you can or you can call and we will be glad to assist -800-396-9699. 

To View your alternative click here- Merlin Plus System

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.

    AT&T Merlin Phones Click Here

    AT&T Merlin Phone Systems & Parts Click Here